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FinTech์™€
Fraud Detection System
2015.01.28
๋น„์•„์ดํ๋ธŒ ๋Œ€ํ‘œ ๊น€๋ฏผ๊ฒฝ
daengky@naver.com
BICube
์ธํ„ฐ๋„ทํ™”ํ์—ฐ๊ตฌํšŒ ์›Œํฌ์ƒต
Bigdata Intelligence PlatformBICube 2
๋ชฉ์ฐจ
I. Paradigm Shift
II. Machine Learning
III. Neural Stream
IV. FinTech
V. Fraud Detection System
VI. Conclusions
Bigdata Intelligence PlatformBICube 3
๋ชฉ์ฐจ
I. Paradigm Shift
II. Machine Learning
III. Neural Stream
IV. FinTech
V. Fraud Detection System
VI. Conclusions
Bigdata Intelligence PlatformBICube 4
I. Paradigm Shift
Paradigm Shift
see the same information in an entirely different way.
Bigdata Intelligence PlatformBICube 5
I. Paradigm Shift
Banking is Broken !
Bigdata Intelligence PlatformBICube 6
I. Paradigm Shift
Bigdata Intelligence PlatformBICube 7
I. Paradigm Shift
์ˆ˜๋งŽ์€ ์ง์ข…์€ ํ–ฅํ›„ 20๋…„๋‚ด์— ๋กœ๋ด‡ ๋ฐ ์ž๋™ํ™”๋กœ ์†Œ๋ฉธ
-๋นŒ๊ฒŒ์ด์ธ 
2030๋…„๊นŒ์ง€ 20์–ต๊ฐœ ์ด์ƒ์˜ ์ผ์ž๋ฆฌ๊ฐ€ ์†Œ๋ฉธ
-ํ† ๋งˆ์Šค ํ”„๋ ˆ์ด
Bigdata Intelligence PlatformBICube 8
I. Paradigm Shift
๊ณผ๊ฑฐ์˜ ์ธ๋ ฅ๊ฑฐ๊พผ๋ณด๋‹ค ํ›จ์”ฌ ๋งŽ์€ ์šด์ „์ž์™€ ์ง์ข…์ด ์ƒ๊ฒจ๋‚ฌ๋‹ค.
Bigdata Intelligence PlatformBICube 9
๋ชฉ์ฐจ
I. Paradigm Shift
II. Machine Learning
III. Neural Stream
IV. FinTech
V. Fraud Detection System
VI. Conclusions
Bigdata Intelligence PlatformBICube 10
II. Machine Learning
Data๋กœ ๋ถ€ํ„ฐ ์ถœ๋ฐœ....
โ€ข ๊ธฐ๊ณ„(Machine) + Learning (ํ•™์Šต)
โ€ข ๊ธฐ๊ณ„(์ปดํ“จํ„ฐ)์—๊ฒŒ ๋ฐ์ดํ„ฐ๋ฅผ ์ด์šฉํ•˜์—ฌ ํ•™์Šตํ•˜๋Š” ๋ฐฉ๋ฒ•์„
๊ฐ€๋ฅด์น˜๋Š” ๊ฒƒ.
Teach computer how to learn from data
๋”ฐ๋ผ์„œ Data๊ฐ€ ๊ต์žฌ์ด๋‹ค.
Bigdata Intelligence PlatformBICube 11
II. Machine Learning
Data
์•Œ๊ณ ๋ฆฌ์ฆ˜ ๊ฐœ๋ฐœ์ž
Model
Bigdata Intelligence PlatformBICube 12
II. Machine Learning
Machine Learning Model
โ€ข ์ปดํ“จํ„ฐ๊ฐ€ ํ•™์Šตํ•  ์ˆ˜ ์žˆ๋„๋ก ํ•˜๋Š” ์•Œ๊ณ ๋ฆฌ์ฆ˜๊ณผ ๊ธฐ์ˆ 
โ€ข ๋ฌธ์ œ๋ฅผ ํ•ด๊ฒฐํ•˜๊ธฐ์œ„ํ•œ ์ผ๋ จ์˜ ์ปดํ“จํ„ฐ ํ”„๋กœ์„ธ์Šค.
โ€ข ์ •ํ™•ํ•œ ๋ฏธ๋ž˜๋ฅผ ์˜ˆ์ธกํ•˜๊ธฐ ์œ„ํ•œ ์ปดํ“จํ„ฐ ์•Œ๊ณ ๋ฆฌ์ฆ˜.
โ€ข ์ปดํ“จํ„ฐ๊ฐ€ ์Šค์Šค๋กœ ํ•™์Šตํ•˜๋Š” ์˜ˆ์ธก๋ชจํ˜•
(Training Data)
Learning Algorithms Predictive Model
์‹ค๋ฐ์ดํ„ฐ
(Actual Data)
Forecast
Prediction
Classification
Clustering
Proactive
โ€ข Optical character recognition
โ€ข Face detection
โ€ข Spam filtering
โ€ข Topic spotting
โ€ข Spoken language understanding
โ€ข Medical diagnosis
โ€ข Customer segmentation
โ€ข Fraud detection
โ€ข Weather prediction
Supervised
Unsupervised
Semi-supervised
Structured
Unstructured
Semi-structured
Example Data
Bigdata Intelligence PlatformBICube 13
II. Machine Learning
๊ธฐ๊ณ„ํ•™์Šต(Machine Learning)์˜ ์ข…๋ฅ˜
โ€ข Supervised learning : ์ง€๋„ํ•™์Šต
โ€ข Data์˜ ์ข…๋ฅ˜๋ฅผ ์•Œ๊ณ  ์žˆ์„ ๋•Œ(Category, Labeled)
โ€ข ex: spam mail
โ€ข Unsupervised : ๋น„์ง€๋„ํ•™์Šต
โ€ข Data์˜ ์ข…๋ฅ˜๋Š” ๋ชจ๋ฅด์ง€๋งŒ ํŒจํ„ด์„ ์•Œ๊ณ  ์‹ถ์„ ๋•Œ
โ€ข SNS, Twitter
โ€ข Semi-supervised learning : ์ง€๋„ํ•™์Šต + ๋น„์ง€๋„ํ•™์Šต
โ€ข Reinforcement learning : ๊ฐ•ํ™”ํ•™์Šต
โ€ข ์ž˜๋ชป๋œ ๊ฒƒ์„ ๋‹ค์‹œ ํ”ผ๋“œ๋ฐฑ
โ€ข Evolutionary learning : ์ง„ํ™”ํ•™์Šต
โ€ข Meta Learning : Landmark of data for classifier
Bigdata Intelligence PlatformBICube 14
ML Modeling
ML Deploy
ML Optimizer
New Data
Decision Making
Alert
ML Lifecycle
Anomaly Store
Hadoop DFS/NoSQl/Hive
II. Machine Learning
Bigdata Intelligence PlatformBICube 15
Batch
Delploy Flow
Validate Deploy/Active
Back-line Near-line On-line
๋ชจ๋ธ ๊ฐœ๋ฐœ
SVM
logistic
regression
FDS
Anomaly
Optimization
๋ชจ๋ธ ๊ฒ€์ฆ
๊ฐœ๋ฐœ๋œ ๋ชจ๋ธ์ด ์ž˜
์ ์šฉ๋˜๋Š”์ง€ ๊ฒ€์ฆ
๋ชจ๋ธ ์ ์šฉ
๊ฒ€์ฆ๋œ ๋ชจ๋ธ์ด ์‹คํ™˜๊ฒฝ์—
์ ์šฉํ•˜์—ฌ ์‹คํ–‰
New Data
II. Machine Learning
Bigdata Intelligence PlatformBICube 16
II. Machine Learning
Netwrok?
โ€ข Neural Network :
โ€ข ์ธ๊ฐ„์˜ ๋‡Œ ์‹ ๊ฒฝ๋ง์—์„œ ์˜๊ฐ์„ ์–ป์Œ
โ€ข ex: Deep Learning
โ€ข Bayesian Netwrok
โ€ข ๋…ธ๋“œ๋“ค๊ฐ„์˜ ํ™•๋ฅ ์  ์˜์กด์„ฑ์„ ๋‚˜ํƒ€๋‚ด๋Š” ๊ทธ๋ž˜ํ”„ ๋ชจํ˜•
โ€ข ๋ฐฉํ–ฅ ๋น„์ˆœํ™˜ ๊ทธ๋ž˜ํ”„ (DAG: Directed Acyclic Graph)
โ€ข Markov Network
โ€ข ๊ฒฐํ•ฉ๋ถ„ํฌํ™•๋ฅ  ๋ชจํ˜•
โ€ข ๋น„๋ฐฉํ–ฅ๊ทธ๋ž˜ํ”„
Bigdata Intelligence PlatformBICube 17
II. Machine Learning
Perceptron Deep Learning
x1
x3
x2
w3
w2
w1
o
โ€ข Neural Network
Bigdata Intelligence PlatformBICube 18
II. Machine Learning
Markov Network Bayesian Netwrok
Bigdata Intelligence PlatformBICube 19
๋ชฉ์ฐจ
I. Paradigm Shift
II. Machine Learning
III. Neural Stream
IV. FinTech
V. Fraud Detection System
VI. Conclusions
Bigdata Intelligence PlatformBICube 20
โ€ข High throughput
โ€ข Machine Learning
โ€ข Power Computing
50billion Device
III. Neural Stream
Bigdata Intelligence PlatformBICube 21
Legacy CEP(Complex Event Processing)
CEPIII. Neural Stream
Bigdata Intelligence PlatformBICube 22
Complex Event ?
Complex:๋ณต์žกํ•œ
Event :A piece fo data in software system or in real world
๊ธˆ์œต๊ฑฐ๋ž˜ ์˜ˆ์‹œ :
๊ณ ๊ฐID,IP์ฃผ์†Œ,์ ‘์†์ผ์ž,์ ‘์†์‹œ๊ฐ„,๊ฑฐ๋ž˜์ฑ„๋„๊ตฌ๋ถ„,๊ฑฐ๋ž˜์ข…๋ฅ˜,๊ฑฐ๋ž˜๊ณ ์œ ๋ฒˆํ˜ธ,์ถœ๊ธˆ์€ํ–‰๋ช…,์ถœ๊ธˆ๊ณ„์ขŒ,์ถœ
๊ธˆ๊ณ„์ขŒ์˜ˆ๊ธˆ์ฃผ๋ช…,์ถœ๊ธˆ๊ณ„์ขŒ์˜ˆ๊ธˆ์ฃผ๋ช…,๋ณด๋‚ด๋Š”ํ†ต์žฅํ‘œ์‹œ๋‚ด์šฉ,์ž…๊ธˆ์€ํ–‰์ฝ”๋“œ,์ž…๊ธˆ๊ณ„์ขŒ,์ž…๊ธˆ๊ณ„์ขŒ์˜ˆ๊ธˆ์ฃผ
๋ช…,๋ฐ›๋Š”ํ†ต์žฅํ‘œ์‹œ๋‚ด์šฉ,๊ฑฐ๋ž˜๊ธˆ์•ก,์ด์ฒด์ˆ˜์ˆ˜๋ฃŒ,๊ฑฐ๋ž˜ํ›„์ž”์•ก,๊ฑฐ๋ž˜์ผ์ž,๊ฑฐ๋ž˜์‹œ๊ฐ„
Event Streaming Processing
CEPIII. Neural Stream
Bigdata Intelligence PlatformBICube 23
CEP System
๋ณต์žก ๋‹ค๋‹จํ•œ ์—ฐ์‚ฐ์„ ์ˆ˜ํ–‰ํ•˜๋ฉด์„œ ๋งŽ์€ ์–‘์˜ ๋ฐ์ดํ„ฐ
๋ฅผ ์ฒ˜๋ฆฌํ•œ๋‹ค๋Š” ๊ฒƒ์€ ์‚ฌ์‹ค์ƒ ๋ฌผ๋ฆฌ์ ์œผ๋กœ ๋ถˆ๊ฐ€ํ•˜๋‹ค.
์ค‘์•™์ง‘์ค‘ํ˜• ํ์‡„ํ™”๋œ CEP์—”์ง„์œผ๋กœ ๊ฐ€๋Šฅํ• ๊นŒ?
CEPIII. Neural Stream
Bigdata Intelligence PlatformBICube 24
Min, Max, Sum, Avg,Join ๋“ฑ์œผ๋กœ ๋งŒ์กฑํ•  ์ˆ˜ ์žˆ์„๊นŒ?
์ฃผ์‹์ด 10% ๋–จ์–ด์ง€๊ณ  3ํšŒ ์ด์ƒ 5% ์˜ค๋ฅธ๋‹ค๋Š” ํŒจํ„ด๋งŒ์œผ๋กœ ์˜ˆ์ธกํ•  ์ˆ˜ ์žˆ์„๊นŒ?
CEP
Need more Algorithoms
and more ML puzzle
III. Neural Stream
Bigdata Intelligence PlatformBICube 25
Near Real-time
Seconds ์ˆ˜์ค€์˜ ์ง€์—ฐ(latency) ์‹œ๊ฐ„ ๋ณด์žฅ
Real-time
Real Real-time
Milliseconds ์ˆ˜์ค€์˜ ์ง€์—ฐ(latency) ์‹œ๊ฐ„ ๋ณด์žฅ
Microseconds ์ˆ˜์ค€์˜ ์ง€์—ฐ(latency) ์‹œ๊ฐ„ ๋ณด์žฅ (16ms)
๋ฆฌ์–ผํƒ€์ž„ ์ŠคํŠธ๋ฆฌ๋ฐ์˜ ์ข…๋ฅ˜
III. Neural Stream
Bigdata Intelligence PlatformBICube 26
Giga Internet
Neural
Streaming
External Neural Streaming
Beacon
Routing
Internal Neural Cluster
Neural Cluster
CEP
III. Neural Stream
Bigdata Intelligence PlatformBICube 27
BIP
Sharing Neural Streaming
ML
Neural
Cortex
Cortex Streaming
Cortex Streaming
Cortex Streaming
III. Neural Stream
Bigdata Intelligence PlatformBICube 28
Neural
Streaming
Beacon Neural Cluster
Modeling
Deploy Neurons
(ML model)
BIP
CEP
Share Cortex Streaming
III. Neural Stream
Bigdata Intelligence PlatformBICube 29
Neural Learning โ€“ Multi Model
III. Neural Stream
Bigdata Intelligence PlatformBICube 30
I. Paradigm Shift
II. Machine Learning
III. Neural Stream
IV. FinTech
V. Fraud Detection System
VI. Conclusions
๋ชฉ์ฐจ
Bigdata Intelligence PlatformBICube 31
์ •๋ณด๊ธฐ์ˆ ์„ ํ™œ์šฉํ•˜์—ฌ ๊ตฌ์กฐยท์ œ๊ณต๋ฐฉ์‹ยท๊ธฐ๋ฒ• ๋ฉด์—์„œ ์ƒˆ๋กœ์šด ํ˜•ํƒœ์˜ ๊ธˆ์œต์„œ๋น„์Šค๋ฅผ ์ œ
๊ณตํ•˜๋Š” ๊ฒƒ์„ ์˜๋ฏธ
IV. FinTech
Bigdata Intelligence PlatformBICube 32
IV. FinTech
Bigdata Intelligence PlatformBICube 33
IV. FinTech
Bigdata Intelligence PlatformBICube 34
IV. FinTech
Bigdata Intelligence PlatformBICube 35
๊ธฐ์—…๋ช… ์‚ฌ์—… ๋‚ด์šฉ
์ŠคํŠธ๋ผ์ดํ”„
(Stripe.com)
๏‚ง์ž์‚ฌ์˜ ์•ฑ ํ”„๋กœ๊ทธ๋ž˜๋ฐ ์ธํ„ฐํŽ˜์ด์Šค๋ฅผ ์•ฑ์— ์‚ฝ์ž…
ํ•œ ํšŒ์›์—๊ฒŒ ๊ธ€๋กœ๋ฒŒ ๊ณ ๊ฐ์„ ๋Œ€์ƒ์œผ๋กœ ํ•œ ์ง€๊ธ‰๊ฒฐ
์ œ์™€ 7์ผ ์•ˆ์— ๋Œ€๊ธˆ์„ ์ง€๊ธ‰ํ•ด ์ฃผ๋Š” ์„œ๋น„์Šค ์ œ๊ณต
๏‚ง์ „ ์„ธ๊ณ„ 139๊ฐœ๊ตญ ํ†ตํ™”์™€ ๋น„ํŠธ์ฝ”์ธ, ์•Œ๋ฆฌํŽ˜์ด ๋“ฑ์œผ
๋กœ๋„ ๊ฒฐ์ œ ๊ฐ€๋Šฅ
์–ดํŽŒ
(Affirm.com)
๏‚งํšŒ์›์ด ์˜จ๋ผ์ธ์‡ผํ•‘๋ชฐ์—์„œ ๋ฌผ๊ฑด์„ ๊ตฌ๋งคํ•  ๋•Œ, ์‹ ์šฉ
์นด๋“œ๊ฐ€ ์•„๋‹Œ ๋ณธ์ธ์˜ ์‹ ์šฉ์œผ๋กœ ํ• ๋ถ€ ๊ตฌ๋งคํ•  ์ˆ˜ ์žˆ๋„๋ก ํ•ด
์ฃผ๋Š” ๊ฒฐ์ œ ์„œ๋น„์Šค ์ œ๊ณต
๏‚งํšŒ์›์˜ ๊ณต๊ฐœ๋œ ๋ฐ์ดํ„ฐ๋ฅผ ๋ถ„์„ํ•ด ๋‹จ ๋ช‡ ์ดˆ ๋งŒ
์— ์‹ ์šฉ๋„๋ฅผ ํ‰๊ฐ€ํ•œ ํ›„, ํšŒ์›์˜ ์ ์ • ํ• ๋ถ€ ์ˆ˜์ˆ˜๋ฃŒ
๋ฅผ ์‚ฐ์ •ํ•˜์—ฌ ๋ถ€๊ณผ
๋นŒ๊ฐ€๋“œ
(Billguard.com)
๏‚ง์ž์‚ฌ๊ฐ€ ๊ฐœ๋ฐœํ•œ ์˜ˆ์ธก ์•Œ๊ณ ๋ฆฌ์ฆ˜์„ ํ™œ์šฉํ•˜์—ฌ ์‹ ์šฉ์นด๋“œ ์ฒญ
๊ตฌ์„œ ์ƒ ์˜ค์ฒญ๊ตฌ ๋˜๋Š” ์ˆ˜์ˆ˜๋ฃŒ ๊ณผ๋‹ค ์ธ์ถœ ๋“ฑ์˜ ์ง•ํ›„๋ฅผ ํฌ์ฐฉ
ํ•˜์—ฌ ํšŒ์›์—๊ฒŒ ์•Œ๋ ค์ฃผ๋Š” ์„œ๋น„์Šค ์ œ๊ณต
๏‚ง๋ชจ๋ฐ”์ผ์•ฑ์œผ๋กœ ํšŒ์›์˜ ์‹ ์šฉ์นด๋“œ์™€ ์€ํ–‰ ๊ณ„์ขŒ๋ฅผ
ํ†ตํ•ฉ ๊ด€๋ฆฌ ๊ฐ€๋Šฅ
์˜จ๋ฑ
(OnDeck.com)
๏‚ง100% ์˜จ๋ผ์ธ ๊ธฐ๋ฐ˜์œผ๋กœ ๋Œ€์ถœ ์‹ ์ฒญ์„œ ์ œ์ถœ์— 10๋ถ„,
์‹ ์ฒญ ์ต์ผ์— ์ง€์ • ๊ณ„์ขŒ๋กœ ์ž๊ธˆ์„ ์ž…๊ธˆํ•ด์ฃผ๋Š” ๋Œ€์ถœ ์„œ๋น„
์Šค ์ œ๊ณต
๏‚ง์ž์ฒด ๊ฐœ๋ฐœํ•œ ์‹ ์šฉํ‰๊ฐ€ ์•Œ๊ณ ๋ฆฌ์ฆ˜์ด ๋Œ€์ถœ ์‹ ์ฒญ์ž์˜ ๊ธˆ
์œต๊ธฐ๊ด€ ๊ฑฐ๋ž˜๋‚ด์šฉ, ํ˜„๊ธˆ ํ๋ฆ„, SNS ์ƒ ํ‰ํŒ ๋“ฑ์„ ๊ณ ๋ ค
ํ•ด ๋ช‡ ๋ถ„ ๋งŒ์— ์‹ ์šฉ ํ‰๊ฐ€ ๋ฐ ๋Œ€์ถœ ์—ฌ๋ถ€ ์‹ฌ์‚ฌ
์ž๋ฃŒ: ์šฐ๋ฆฌ๊ธˆ์œต๊ฒฝ์˜์—ฐ๊ตฌ์†Œ
IV. FinTech
Bigdata Intelligence PlatformBICube 36
IV. FinTech
Bigdata Intelligence PlatformBICube 37
Accenture
IV. FinTech
Bigdata Intelligence PlatformBICube 38
Accenture
IV. FinTech
Bigdata Intelligence PlatformBICube 39
IV. FinTech
Bigdata Intelligence PlatformBICube 40
IV. FinTech
Bigdata Intelligence PlatformBICube 41
FinTech์˜ ์ฃผ์š” ์‹œ์žฅ
โ€ข ํ•ด์™ธ ์†ก๊ธˆ์ˆ˜์ˆ˜๋ฃŒ ์‹œ์žฅ
โ€ข ์‹ ์šฉ์นด๋“œ ์ˆ˜์ˆ˜๋ฃŒ ์‹œ์žฅ-์•ฝ480์–ต ๋‹ฌ๋Ÿฌ
โ€ข ์–‘๋ฉด ์‹œ์žฅ(Two-side markets)
โ€ข ์นด๋“œ ์†Œ์ง€์ž์™€ ๊ฐ€๋งน์ 
โ€ข ๊ตฌ๊ธ€ ๋ฑ…ํฌ(Bank as a Platform-2007 ์˜๊ตญ)
โ€ข ์•Œ๊ณ ๋ฆฌ์ฆ˜ ๋ฑ…ํฌ
โ€ข M-Money
โ€ข E-Money -without banks
IV. FinTech
Bigdata Intelligence PlatformBICube 42
์•Œ๊ณ ๋ฆฌ์ฆ˜ ๊ธˆ์œต ์„œ๋น„์Šค์˜ ์„ฑ์žฅ
IV. FinTech
Bigdata Intelligence PlatformBICube 43
Two-side markets
IV. FinTech
Bigdata Intelligence PlatformBICube 44
์• ํ”Œ ํŽ˜์ด(Apple Pay)
์ตœ์ดˆ๋กœ ์‹ ์šฉ์นด๋“œ, ์ฒดํฌ์นด๋“œ ๋“ฑ์„ ๋“ฑ๋ก-๋ถˆํŽธ
์นด๋“œ๋ฅผ ๋“ฑ๋กํ•˜๋ฉด์„œ ๋ถ€์—ฌ๋˜๋Š” '๊ธฐ๊ธฐ๊ณ„์ •๋ฒˆํ˜ธ(Device Account
Number)'๋ฅผ ์ €์žฅ
๊ทผ๊ฑฐ๋ฆฌ๋ฌด์„ ํ†ต์‹ (NFC) ๊ธฐ๋Šฅ์„ ํ™œ์„ฑํ™”ํ•œ ์ƒํƒœ์—์„œ ๊ฐ€๋งน์  ๋‚ด ๋‹จ๋ง๊ธฐ์— ์•„
์ดํฐ์„ ๊ฐ–๋‹ค๋Œ€๊ณ , ์†๊ฐ€๋ฝ์˜ ์ง€๋ฌธ์„ ํ†ตํ•ด ๋ณธ์ธ์ธ์ฆ
๊ฒฐ์ œ๊ฐ€ ์ด๋ค„์ง€๋Š” ์ˆœ๊ฐ„์—๋งŒ ์ƒ์„ฑ๋˜๋Š” ์ผํšŒ์šฉ ๋น„๋ฐ€๋ฒˆํ˜ธ์ธ '๋™์ ๋ณด์•ˆ์ฝ”๋“œ
(dynamic security code)'์™€ ์—ฐ๋™ํ•ด ๊ฒฐ์ œ
์•„์ดํŠ ์ฆˆ ์œ ๋ฃŒ ์‚ฌ์šฉ์ž 2์–ต๋ช…์— ๋Œ€ํ•œ ์นด๋“œ๊ฒฐ์ œ์ •๋ณด๋ฅผ ๋ณด์œ 
์• ํ”ŒํŽ˜์ด๋Š” ์•„์ดํฐ6, ์•„์ดํฐ6 ํ”Œ๋Ÿฌ์Šค, ์• ํ”Œ์›Œ์น˜์™€ ๊ฐ™์€ ์ตœ์‹  ์• ํ”Œ ๊ธฐ๊ธฐ
์‚ฌ์šฉ์ž๋“ค๋งŒ ์“ธ ์ˆ˜ ์žˆ๋Š”๋ฐ๋‹ค๊ฐ€ ๊ฐ€๋งน์  ์ˆ˜ ๋˜ํ•œ ํŽ˜์ดํŒ”์— ๋น„ํ•ด ํ„ฑ์—†์ด ๋ถ€์กฑ
IV. FinTech
Bigdata Intelligence PlatformBICube 45
IV. FinTech
The Kreditech Group uses big data, complex algorithms and automated
workflows to serve a simple mission: โ€œBetter banking for everyoneโ€. Based
on 20,000 dynamic data points, the unique technology is capable of scoring
everyone worldwide, including the 4bn individuals without credit score.
Deploying the technology makes physical contact and paper exchange
redundant. Funds can be paid out within seconds to a credit card, bank
account or NFC wallet, 24/7.
Bigdata Intelligence PlatformBICube 46
์•„ํ”„๋ฆฌ์นด ์ผ€๋ƒ์˜ ์ด๋™ํ†ต์‹ ์‚ฌ์ธ ์‚ฌํŒŒ๋ฆฌ์ฝค(Safaricom)์ด ์˜๊ตญ์˜ ๋ณด๋‹คํฐ
(Vodafone)๊ณผ ํ•จ๊ป˜ 2007๋…„ ๋„์ž…
http://slownews.kr/32306
IV. FinTech
Bigdata Intelligence PlatformBICube 47
์€ํ–‰ ๊ณ„์ขŒ ์—†์ด ๋ˆ์„ ์ด์ฒดํ•  ์ˆ˜ ์žˆ๋Š” ์„œ๋น„์Šค-์—  ํŽ˜์‚ฌ
ํŽ˜์ด์Šค๋ถ ๋ฉ”์‹ ์ €, ์™“์ธ ์•ฑ, ์นด์นด์˜คํ†ก, ๋ผ์ธ ๋“ฑ์ด ์ค€๋น„ํ•˜๊ณ  ์žˆ๋Š” ๋ชจ๋ฐ”์ผ ๋ฉ”์‹ ์ €
๊ธฐ๋ฐ˜ ์ง€๋ถˆ ์„œ๋น„์Šค(payment service)๋Š” ํŽ˜์ดํŒ”(PayPal)์˜ ์ž‘๋™ ์›๋ฆฌ์™€ ์œ ์‚ฌ
์ด ๋ชจ๋“  ์„œ๋น„์Šค๋Š” ํŠน์ • ์€ํ–‰ ๊ณ„์ขŒ ๋˜๋Š” ์‹ ์šฉ์นด๋“œ ๊ณ„์ขŒ์™€ ์—ฐ๊ฒฐ
๋ˆ์„ ๋‚ด๊ณ  โ€˜๋ชจ๋ฐ”์ผ ๊ฐ€์ƒ ํ™”ํโ€™๋ฅผ ๋ฐ›๋Š”๋‹ค. ์ด๋ฅผ โ€˜์— -๋จธ๋‹ˆ(M-Money)โ€™๋ผ ๋ถ€๋ฅธ๋‹ค.
์— -๋จธ๋‹ˆ๋Š” ๋ฌธ์ž๋ฉ”์‹œ์ง€์™€ PIN(Personal Identification number)์„ ๋™์‹œ์— ์ด์šฉํ•ด
ํƒ€์ธ์˜ ํœด๋Œ€ํฐ์œผ๋กœ ์ด์ฒด ๊ฐ€๋Šฅํ•˜๋ฉฐ, ์— -๋จธ๋‹ˆ๋กœ ์œ„์˜ ๊ทธ๋ฆผ์ฒ˜๋Ÿผ ์˜คํ”„๋ผ์ธ ๋งค์žฅ์—์„œ
์ง€๋ถˆ ์ˆ˜๋‹จ์œผ๋กœ ์ด์šฉํ•  ์ˆ˜ ์žˆ๋‹ค. ํ•„์š”์— ๋”ฐ๋ผ ์‚ฌํŒŒ๋ฆฌ์ฝค ๋Œ€๋ฆฌ์ ์„ ๋ฐฉ๋ฌธํ•˜์—ฌ ์— -๋จธ
๋‹ˆ๋ฅผ ์‹ค์ œ ํ™”ํ๋กœ ์‰ฝ๊ฒŒ ๊ตํ™˜ํ•  ์ˆ˜ ์žˆ๋‹ค.
IV. FinTech
Bigdata Intelligence PlatformBICube 48
I. Paradigm Shift
II. Machine Learning
III. Neural Stream
IV. FinTech
V. Fraud Detection System
VI. Conclusions
๋ชฉ์ฐจ
Bigdata Intelligence PlatformBICube 49
V. Fraud Detection System
์ด์ƒ๊ธˆ์œต๊ฑฐ๋ž˜ํƒ์ง€ ์‹œ์Šคํ…œ์ด๋ž€
์ „์ž๊ธˆ์œต๊ฑฐ๋ž˜ ์ด์šฉ์ž ์ „์ž ๊ธˆ์œต๊ฑฐ๋ž˜ ์ •๋ณด๋ฅผ ๋ถ„์„ํ•˜์—ฌ ์ด์šฉ์ž์˜ ๊ฑฐ๋ž˜ ์ด
์ƒ์œ ๋ฌด๋ฅผ ๋ถ„์„,์ฐจ๋‹จํ•˜๋Š” ์‹œ์Šคํ…œ.
Bigdata Intelligence PlatformBICube 50
V. Fraud Detection System
Bigdata Intelligence PlatformBICube 51
V. Fraud Detection System
Bigdata Intelligence PlatformBICube 52
V. Fraud Detection System
Bigdata Intelligence PlatformBICube 53
V. Fraud Detection System
Bigdata Intelligence PlatformBICube 54
1.๊ณ ๊ฐID(S10)
2.IP์ฃผ์†Œ(S20)
3.์ ‘์†์ผ์ž(S8)
4.์ ‘์†์‹œ๊ฐ„(S10)
5.๊ณ ๊ฐID(S10)
6.๊ฑฐ๋ž˜์ฑ„๋„๊ตฌ๋ถ„(S20)
7.๊ฑฐ๋ž˜์ข…๋ฅ˜(S20)
8.๊ฑฐ๋ž˜๊ณ ์œ ๋ฒˆํ˜ธ(S10)
9.์ถœ๊ธˆ์€ํ–‰๋ช…(S20)
10.์ถœ๊ธˆ๊ณ„์ขŒ(S20)
11.์ถœ๊ธˆ๊ณ„์ขŒ์˜ˆ๊ธˆ์ฃผ๋ช…(S20)
12.์ถœ๊ธˆ๊ณ„์ขŒ์˜ˆ๊ธˆ์ฃผ๋ช…(S20)
13.๋ณด๋‚ด๋Š”ํ†ต์žฅํ‘œ์‹œ๋‚ด์šฉ(S50)
14.์ž…๊ธˆ์€ํ–‰์ฝ”๋“œ(S3)
15.์ž…๊ธˆ๊ณ„์ขŒ(S20)
16.์ž…๊ธˆ๊ณ„์ขŒ์˜ˆ๊ธˆ์ฃผ๋ช…(S20)
17.๋ฐ›๋Š”ํ†ต์žฅํ‘œ์‹œ๋‚ด์šฉ(S50)
18.๊ฑฐ๋ž˜๊ธˆ์•ก(N20)
19.์ด์ฒด์ˆ˜์ˆ˜๋ฃŒ(N20)
20.๊ฑฐ๋ž˜ํ›„์ž”์•ก(N20)
21.๊ฑฐ๋ž˜์ผ์ž(S8)
22.๊ฑฐ๋ž˜์‹œ๊ฐ„(S10)
1.000167,
2.153.167.89.7,
3,20140418,
4.04:20:34,
5.000167,
6.์ธํ„ฐ๋„ท๋ฑ…ํ‚น
7.์ฆ‰์‹œ์ด์ฒด,๋กœ๊ทธ์ธ/์ž”์•ก์กฐํšŒ,์ด์ฒด์ž”์•ก์กฐํšŒ
8.0000000002,
9.xx์€ํ–‰,
10.123-45-678915,
11.์ด์ˆœ์‹ 67,
12.์ด์ˆœ์‹ 67,
13.์†ก๊ธˆํ•ฉ๋‹ˆ๋‹ค.,
14.์‹ ํ•œ์€ํ–‰,
15.144-23141-2477,
16.๊น€๊ธธ๋™167,
17.(์ด์ˆœ์‹ 67)๋‹˜๊ป˜์„œ ์ž…๊ธˆํ•˜์…จ์Šต๋‹ˆ๋‹ค.,
18.9708000,
19.1000,
20.31401000,
21.20140418,
22.00:04:40
-์˜ˆ์‹œ-
V. Fraud Detection System
Bigdata Intelligence PlatformBICube 55
๋ชจ๋‹ˆํ„ฐ๋ง๋‹จ๊ณ„/๋ชจ๋“œ์— ๋”ฐ๋ฅธ ๊ธฐ๋Šฅ
โ€ข ๋ฐฐ์น˜ํƒ€์ž„(bach/non-realtime) ๋ชจ๋‹ˆํ„ฐ๋ง ๊ธฐ๋Šฅ
- ์ €์žฅ๋œ ๋กœ๊ทธ ํŒŒ์ผ์— ๋Œ€ํ•œ ๋งค๋‰ด์–ผ ํ˜น์€ ์ž๋™ํ™”๋œ ๋ชจ๋‹ˆํ„ฐ๋ง ๋ชจ๋“œ
- ์ €์žฅ๋œ ํŠธ๋žœ์žญ์…˜์„ ์‚ฌํ›„์— ์„ธ๋ถ€์ ์œผ๋กœ ๊ฒ€ํ†  ๊ฐ€๋Šฅํ•˜๋‚˜ ์ฆ‰๊ฐ์ ์ธ ํƒ์ง€ ๋Œ€์‘์€ ์–ด๋ ค์›€
โ€ข ๋ฆฌ์–ผํƒ€์ž„(real time) ๋ชจ๋‹ˆํ„ฐ๋ง๊ธฐ๋Šฅ
- ์›น์„œ๋ฒ„ ํ•„ํ„ฐ๋ฅผ ์‚ฌ์šฉํ•˜์—ฌ ์‹ค์‹œ๊ฐ„์œผ๋กœ ๋ชจ๋“  ํŠธ๋žœ์žญ์…˜์„ ๋ชจ๋‹ˆํ„ฐ๋ง ํ•˜๋Š” ๋ชจ๋“œ
- ์‘์šฉํ”„๋กœ๊ทธ๋žจ์— ๋Œ€ํ•œ ์ˆ˜์ •์„ ํ•„์š”๋กœ ํ•˜์ง€ ์•Š์Œ
โ€ข ์–ดํ”Œ๋ฆฌ์ผ€์ด์…˜ ๊ธฐ๋Šฅ์„ ์ด์šฉ ํ•˜๋Š” ๋ฆฌ์–ผํƒ€์ž„ ๋ชจ๋‹ˆํ„ฐ๋ง ๊ธฐ๋Šฅ
- ์–ดํ”Œ๋ฆฌ์ผ€์ด์…˜์— ๋ชจ๋‹ˆํ„ฐ๋ง ๊ธฐ๋Šฅ์„ ํ†ตํ•ฉ ํ•˜์—ฌ ์›น ํŠธ๋žœ์žญ์…˜์„ ๋ชจ๋‹ˆํ„ฐ๋ง ํ•˜๋Š” ๋ชจ๋“œ
- ์–ดํ”Œ๋ฆฌ์ผ€์ด์…˜ ์ž์ฒด๋ฅผ ์ˆ˜์ •ํ•ด์•ผํ•˜๋Š” ์š”๊ตฌ์‚ฌํ•ญ์„ ๊ฐ€์ง
โ€ข ์™ธ๋ถ€ ์–ดํ”Œ๋ฆฌ ์ผ€์ด์…˜ ๊ธฐ๋ฐ˜ ๋ฆฌ์–ผํƒ€์ž„ ๋ชจ๋‹ˆํ„ฐ๋ง ๊ธฐ๋Šฅ
- ์™ธ๋ถ€ ์–ดํ”Œ๋ฆฌ์ผ€์ด์…˜์„ ์ด์šฉํ•ด ๋ชจ๋“  ์›น ํŠธ๋žœ์žญ์…˜์„ ๋ชจ๋‹ˆํ„ฐ๋ง ํ•˜๋Š” ๋ชจ๋“œ
- ์ด ๋ฐฉ์‹์€ ์›น ํ•„ํ„ฐ์™€ ๋ชจ๋‹ˆํ„ฐ๋ง ๋ชจ๋“ˆ์ด ์ˆœ์ฐจ์ ์œผ๋กœ ์ž‘๋™ํ•˜๊ธฐ ๋•Œ๋ฌธ์— ์–ดํ”Œ๋ฆฌ ์ผ€์ด์…˜์˜ ์„ฑ๋Šฅ์—
์˜ํ–ฅ์„ ๋ฏธ์น  ์ˆ˜ ์žˆ์Œ
โ€ข ๋‹ค์ค‘์ฑ„๋„ ๋ฐ์ดํ„ฐ ์ˆ˜์ง‘ ๋ชจ๋‹ˆํ„ฐ๋ง ๊ธฐ๋Šฅ
- ๋‹ค๋ฅธ ์ฑ„๋„๋กœ๋ถ€ํ„ฐ์˜ ํŠธ๋žœ์žญ์…˜๋ฐ์ดํ„ฐ๋ฅผ ํ†ตํ•ฉํ•˜์—ฌ ๋ถ€์ •ํ–‰์œ„๋ฅผ ๋ชจ๋‹ˆํ„ฐ๋งํ•˜๊ณ  ํƒ์ง€ํ•˜๋Š” ๋ชจ๋“œ
V. Fraud Detection System
Bigdata Intelligence PlatformBICube 56
๋ชจ๋‹ˆํ„ฐ๋ง๋‹จ๊ณ„/๋Œ€์ƒ์— ๋”ฐ๋ฅธ ๊ธฐ๋Šฅ
โ€ข๋ฐ์ดํ„ฐ๋ฒ ์ด์Šค
- ํŠน์ • ์‚ฌ์šฉ์ž์™€ ๊ด€๋ จ๋œ ๋ฐ์ดํ„ฐ๋ฒ ์ด์Šค ํŠธ๋žœ์žญ์…˜์„ ๋ชจ๋‹ˆํ„ฐ๋ง ํ•˜๋Š” ๊ธฐ๋Šฅ
โ€ข๋ฐ์ดํ„ฐ/์ฝ˜ํ…์ธ 
- ๋ฐ์ดํ„ฐ ํŒจํ„ด ๊ทœ์น™์— ๋”ฐ๋ผ ๋ถ€์ ์ ˆํ•œ ์ฝ˜ํ…์ธ ๋‚˜ ๋ฐ์ดํ„ฐ์˜ ์‚ฌ์šฉ์„ ๋ชจ๋‹ˆํ„ฐ๋งํ•˜๋Š” ๊ธฐ๋Šฅ
โ€ข์„œ๋น„์Šค
- ํŠน์ • ์„œ๋น„์Šค์˜ ๋น„์ฆˆ๋‹ˆ์Šค ๋ฃฐ์— ๋”ฐ๋ผ ํ•ด๋‹น ์–ดํ”Œ๋ฆฌ์ผ€์ด์…˜ ์„œ๋น„์Šค ๋ฐ ์ ‘๊ทผ ์ฑ„๋„์—์„œ ์˜์‹ฌ๋˜๋Š” ์‚ฌ์šฉ์ž ํ™œ๋™์„ ๋ชจ๋‹ˆํ„ฐ๋ง ๊ธฐ
๋Šฅ
โ€ข๋„คํŠธ์›Œํฌ
- ํŠน์ • ์‚ฌ์šฉ์ž์™€ ์—ฐ๊ด€๋œ ์–ดํ”Œ๋ฆฌ์ผ€์ด์…˜๋“ค์˜ ๋น„์ •์ƒ์ ์ธ ๋„คํŠธ์›Œํฌ ํŠธ๋ž˜ํ”ฝ์„ ๋ชจ๋‹ˆํ„ฐ๋งํ•˜๋Š” ๊ธฐ๋Šฅ
- ๋„คํŠธ์›Œํฌ ์ด์™ธ์— ํŒŒ์ผ ์‹œ์Šคํ…œ, ์ฝ˜ํ…์ธ , ๋ฐ์ดํ„ฐ๋ฒ ์ด์Šค๊นŒ์ง€ ํฌ๊ด„ํ•˜์—ฌ ๋ชจ๋‹ˆํ„ฐ๋งํ•˜์ง€ ๋ชปํ•จ
โ€ข๋ณด์•ˆ์ด๋ฒคํŠธ
- ๋‹ค์–‘ํ•œ ๋ณด์•ˆ ๋ชจ๋‹ˆํ„ฐ๋ง ์žฅ์น˜์— ์˜ํ•ด ์ธํ”„๋ผ์—์„œ ์–ดํ”Œ๋ฆฌ์ผ€์ด์…˜๊นŒ์ง€ ๊ด‘๋ฒ”์œ„ํ•œ ๋ฒ”์œ„๋กœ๋ถ€ํ„ฐ์˜ ๋ณด์•ˆ ์ด๋ฒคํŠธ๋ฅผ ๋ชจ๋‹ˆํ„ฐ๋ง ํ•˜
๋Š” ๊ธฐ๋Šฅ
V. Fraud Detection System
Bigdata Intelligence PlatformBICube 57
ํƒ์ง€๋‹จ๊ณ„
โ€ขํŠธ๋žœ์žญ์…˜ ์บก์ฒ˜
- ์‚ฌ์šฉ์ž๊ฐ€ ์ฒ˜์Œ ์•ก์„ธ์Šค ํ•œ ์ดํ›„์— ๊ฐ ์‚ฌ์šฉ์ž์˜ ํ–‰์œ„ ํ”„๋กœํŒŒ์ผ์„ ์ž๋™์ ์œผ๋กœ ์ƒ์„ฑํ•˜๊ณ  ํŠธ๋žœ์žญ์…˜์œผ๋กœ๋ถ€ํ„ฐ ์ด์ƒํ–‰์œ„ ์†
์„ฑ์„ ์ถ”์ถœํ•˜์—ฌ ๋งคํ•‘ํ•˜๋Š” ๊ธฐ๋Šฅ
โ€ข์ด์ƒํ–‰์œ„ ํŒจํ„ด ๊ฐฑ์‹ 
- ๋„คํŠธ์›Œํฌ๋กœ๋ถ€ํ„ฐ ์ด์ƒ ํ–‰์œ„ ๋ฐ์ดํ„ฐ๋ฅผ ์ž๋™์ ์œผ๋กœ ๊ฐฑ์‹ ํ•˜๋Š” ๊ธฐ๋Šฅ
- ์ด์ƒ ํ–‰์œ„ ๋ฐ์ดํ„ฐ๋Š” ๊ทœ์น™์— ๋ฒ—์–ด๋‚˜๋Š” ํŠธ๋žœ์žญ์…˜ ์œ„์น˜์ •๋ณด, ๋ธ”๋ž™๋ฆฌ์ŠคํŠธ ๋‹จ๋ง ์ •๋ณด ๋“ฑ์„ ํฌํ•จํ•จ
โ€ข์‚ฌ์ „ ์ •์˜ ๊ทœ์น™ ์ง€์›
- ์ด์ƒํ–‰์œ„ ํƒ์ง€ ์‹œ์Šคํ…œ์ด ์‚ฌ์ „์— ์ •์˜ํ•œ ํƒ์ง€ ๊ทœ์น™์— ๊ธฐ๋ฐ˜ํ•˜์—ฌ ๋™์ž‘ํ•˜๋Š” ๊ธฐ๋Šฅ
- ๋ถ€๊ฐ€์ ์œผ๋กœ ์‹ ๊ทœ ๊ทœ์น™์„ ์ƒ์„ฑ, ์ˆ˜์ •,์‚ญ์ œํ•˜๋Š” ๊ธฐ๋Šฅ์„ ํฌํ•จํ•˜๋ฉฐ, ๋‹ค๋ฅธ ์กฐ์ง๊ณผ ๊ทœ์น™์„ ๊ณต์œ  ๊ฐ€๋Šฅํ•  ์ˆ˜ ์žˆ์Œ
โ€ข์‹ค์‹œ๊ฐ„ ๋ฃฐ ์ฒ˜๋ฆฌ ๊ธฐ๋Šฅ
- ์‚ฌ์šฉ์ž/์„ธ์…˜์˜ ์œ„ํ˜‘ ์Šค์ฝ”์–ด์™€ ์„ธ๋ถ€์ ์ธ ์œ„ํ˜‘ ํ†ต์ง€๋ฅผ ์‹ค์‹œ๊ฐ„์œผ๋กœ ์ƒ์„ฑํ•  ์ˆ˜ ์žˆ๋Š” ๊ธฐ๋Šฅ
- ์‚ฌ์šฉ์ž์˜ ํ–‰์œ„๋ฅผ ์ผ์ •์‹œ๊ฐ„์ด์ƒ ํ”„๋กœํŒŒ์ผํ•˜์—ฌ ๋น„์ •์ƒ์ ์ธ ์‚ฌ์šฉ์ž ํ–‰์œ„, ๋ธ”๋ž™/ํ™”์ดํŠธ ๋ฆฌ์ŠคํŠธ, ์ด์ƒ ํ–‰์œ„ ๋ฐ์ดํ„ฐ, ์ •
์ƒ ์œ„์น˜๋ฐ์ดํ„ฐ ๋“ฑ์„ ์ด์šฉํ•˜๋Š” ๊ธฐ๋Šฅ
- ๋ณธ ๊ธฐ๋Šฅ์„ ํ†ตํ•˜์—ฌ ํŠน์ • ์œ„ํ˜‘ ์ˆ˜์ค€ ์ด์ƒ์˜ ๊ฒฝ์šฐ ๋Œ€์‘ ๋ฐ ์ฐจ๋‹จ ํ–‰์œ„๋กœ ์—ฐ๊ณ„ํ•  ์ˆ˜ ์žˆ์Œ
โ€ข๊ด€๋ฆฌ ๋„๊ตฌ ์ง€์›
- ๊ด€๋ฆฌ๋„๊ตฌ๋Š” ์•Œ๋ ค์ง„ ์ด์ƒ ์ง•ํ›„ ์ƒํƒœ, ํ™œ๋™ํ˜„ํ™ฉ, ์ƒˆ๋กœ์šด ์ด์ƒ ์ง•ํ›„์— ๋Œ€ํ•ด ๊ด€๋ฆฌ์ž ์ธํ„ฐํŽ˜์ด์Šค๋ฅผ ์ œ๊ณตํ•˜๊ณ  e๋ฉ”์ผ๊ณผ
์›น์„œ๋น„์Šค ํ†ต์ง€๋ฅผ ํฌํ•จํ•˜๋Š” ํ†ต์ง€ ๋ฉ”์ปค๋‹ˆ์ฆ˜ ์„ค์ •์„ ์ง€์›
โ€ข์‚ฌํ›„ ํŠธ๋žœ์žญ์…˜ ๋ถ„์„
- ์‚ฌํ›„ ์ด์ƒ์ง•ํ›„ ๋ถ„์„์„ ์œ„ํ•ด ๊ด€๋ จ ๋ชจ๋“  ๋ฐ์ดํ„ฐ๋ฅผ ์ €์žฅํ•˜๊ณ  ์ˆ˜์ง‘ํ•˜๋Š” ๊ธฐ๋Šฅ์œผ๋กœ ์ผ์ •๊ธฐ๊ฐ„ ๋™์•ˆ ๋ชจ๋“  ์‚ฌ์šฉ์ž์˜ ๊ฑฐ๋ž˜
๋ฐ์ดํ„ฐ๋ฅผ ํฌํ•จ
- ๋ถ€์ •๋ฐฉ์ง€์‹œ์Šคํ…œ์€ ๊ฐ ์‚ฌ์šฉ์ž์˜ ํ–‰์œ„ ํ”„๋กœํŒŒ์ผ์„ ์‚ฌ์šฉํ•˜์—ฌ ์„ธ์…˜, ์‚ฌ์šฉ์ž,์‹œ๊ฐ„์— ๋”ฐ๋ผ ๊ฐ ํŠธ๋žœ์žญ์…˜์˜ ์‚ฌํ›„ ๋ถ„์„์„
์œ„ํ•˜์—ฌ ๋ถ„๋ฅ˜ ๋ฐ ์ˆ˜์ง‘ ์ €์žฅํ•จ
V. Fraud Detection System
Bigdata Intelligence PlatformBICube 58
โ€ขํฌ๋ Œ์‹ ๋ถ„์„ ๊ธฐ๋Šฅ
- ํŒจํ„ด์— ๋”ฐ๋ผ ํŠธ๋žœ์žญ์…˜ ๋ฐ์ดํ„ฐ์˜ ์„ธ๋ถ€ ๋‚ด์šฉ์„ ๋ถ„์„ํ•˜๊ณ  ์ถ”์ถœ ๊ฒ€์ƒ‰ํ•˜๋Š” ๊ธฐ๋Šฅ์œผ๋กœ ์‹ค์‹œ๊ฐ„ ํƒ์ง€ ๋ฃฐ์„ ์œ„ํ•œ ์‹ ๊ทœ ๋ถ€์ • ํŒจ
ํ„ด์„ ์‹๋ณ„ํ•˜๋Š” ๊ฒƒ์„ ์ง€์›
โ€ข์‚ฌ์šฉ์ž ํ–‰์œ„ ํ”„๋กœํŒŒ์ผ ๋ฐ ํ•™์Šต ๊ธฐ๋Šฅ
- ํ–‰์œ„ ํ”„๋กœํŒŒ์ผ์€ ์ •์ƒ์ ์ธ ์‚ฌ์šฉ์ž์˜ ํ–‰์œ„๋กœ๋ถ€ํ„ฐ ๋ฒ—์–ด๋‚˜๋Š” ์‚ฌ์šฉ์ž ํ–‰์œ„์— ๋Œ€ํ•˜์—ฌ ์œ„ํ˜‘ ์—ฌ๋ถ€๋ฅผ ๊ฒฐ์ •ํ•˜๊ธฐ ์œ„ํ•œ ๊ทผ๊ฑฐ๋กœ
ํ™œ์šฉ
- ๋ชจ๋“  ๊ฐœ๋ณ„ ์‚ฌ์šฉ์ž์— ๋Œ€ํ•˜์—ฌ ์ฒ˜์Œ ์ ‘์† ์‹œ์ ๋ถ€ํ„ฐ ์ผ์ •๊ธฐ๊ฐ„ ๋™์•ˆ ์ •์ƒ ํ–‰์œ„ ํŒจํ„ด์˜ ํ”„๋กœํŒŒ์ผ์„ ์ƒ์„ฑํ•˜๋Š” ๊ธฐ๋Šฅ
โ€ข์ง€๋Šฅ์ ์ธ ์ด์ƒํ–‰์œ„ ํŒจํ„ด ํƒ์ง€
- ๋ชจ๋“  ๋ถ€์ •๊ฑฐ๋ž˜๊ฐ€ ๊ฐœ๋ณ„์ ์ธ ๋ฐ์ดํ„ฐ ํ•„๋“œ์™€ ๋„คํŠธ์›Œํฌ ์‘์šฉ ๋กœ๊ทธ๋ฅผ ํ†ตํ•ด์„œ๋งŒ ํƒ์ง€๋  ์ˆ˜ ์—†์Œ
- ๋ฐ์ดํ„ฐ ๊ฐ„์˜ ์—ฐ๊ด€์„ฑ ๋ถ„์„๊ณผ ํ‰๊ฐ€๋ฅผ ์œ„ํ•˜์—ฌ ์ง€๋Šฅ์ ์ธ ํƒ์ง€ ์•Œ๊ณ ๋ฆฌ์ฆ˜ ๋ฐ ๊ธฐ๋Šฅ์ด ํ•„์š”
โ€ขํŠน์ • ์„œ๋น„์Šค์˜ ์ด์ƒํ–‰์œ„ ํŒจํ„ด ํƒ์ง€ ํŒจํ„ด
- ์•Œ๋ ค์ง„ ๋ถ€์ • ํŒจํ„ด ๋ฐ ์„œ๋น„์Šค ์˜์กด์ ์ธ ๋ถ€์ • ํŒจํ„ด์— ์ผ์น˜ํ•˜๋Š” ํŠธ๋žœ์žญ์…˜์˜ ํŒจํ„ด์„ ์ฐพ๊ธฐ ์œ„ํ•œ ๊ทœ์น™์„ ์ •์˜ํ•˜๋Š” ๊ธฐ๋Šฅ
- ์„œ๋น„์Šค์˜ ๋น„์ฆˆ๋‹ˆ์Šค ๋กœ์ง์— ๋”ฐ๋ผ ์˜์‹ฌ๋˜๋Š” ํŠธ๋žœ์žญ์…˜์˜ ํŠน์ • ์ˆœ์„œ๋‚˜ ์ƒํƒœ๋ฅผ ์ฐพ๋Š” ๊ธฐ๋Šฅ
โ€ข๋‹ค์ค‘ ์ฑ„๋„ ์œ„ํ˜‘ ํ‰๊ฐ€
- ๋ถ€์ •ํƒ์ง€์‹œ์Šคํ…œ์€ ์ฃผ์–ด์ง„ ์‘์šฉ, ์ฑ„๋„ ์ด์™ธ์— ์ „ํ™”, ์›น, ๋Œ€๋ฉด ๊ฑฐ๋ž˜ ๋“ฑ์˜ ๋‹ค์ค‘์ฑ„๋„, ๋ฐ ์‹ ์šฉ๊ฑฐ๋ž˜, ์ง๋ถˆ๊ฑฐ๋ž˜ ๋“ฑ์˜ ๋‹ค์ค‘ ์„œ๋น„
์Šค ๊ฐ„์— ๋ถ€์ •ํ–‰์œ„๋ฅผ ํƒ์ง€ํ•˜๋Š” ๊ธฐ๋Šฅ
- ๋ถ€์ •ํƒ์ง€ ์‹œ์Šคํ…œ์€ ์‘์šฉ๋ฟ๋งŒ ์•„๋‹ˆ๋ผ ์‹œ์Šคํ…œ, ๋„คํŠธ์›Œํฌ๋กœ๋ถ€ํ„ฐ์˜ ๋ถ€์ •ํ–‰์œ„์™€ ์—ฐ๊ณ„ํ•˜์—ฌ ํ‰๊ฐ€ํ•˜๋Š” ๊ธฐ๋Šฅ
โ€ข์ž๋™ ์œ„ํ˜‘ ๋ถ„์„ ๋ฐ ์ˆ˜์ค€ ํ‰๊ฐ€
- ๋ณด์•ˆ ์œ„ํ˜‘์„ ์ž๋™์ ์œผ๋กœ ์ธ์‹ํ•˜๊ณ  ํ‰๊ฐ€ํ•˜์—ฌ ์„ค์ •ํ•˜๋Š” ๊ธฐ๋Šฅ
ํƒ์ง€๋‹จ๊ณ„
V. Fraud Detection System
Bigdata Intelligence PlatformBICube 59
โ€ข์ถ”๊ฐ€์ ์ธ ์‚ฌ์šฉ์ž ์ธ์ฆ ๋ฐ ๊ฒ€์ฆ
- ๊ณ ์ˆ˜์ค€์˜ ๋ณด์•ˆ์„ ์š”๊ตฌํ•˜๋Š” ์‘์šฉ ํ˜น์€ ๋ถ€์ • ์ง•ํ›„๊ฐ€ ํƒ์ง€๋œ ์ ‘๊ทผ์—์„œ ์‚ฌ์šฉ์ž์—๊ฒŒ ์ถ”๊ฐ€์ ์ธ ์ธ์ฆ์„ ์š”๊ตฌํ•˜๋Š” ๊ธฐ๋Šฅ
- ์‚ฌ์šฉ์ž์—๊ฒŒ ์‚ฌ์ „์— ์ •์˜๋œ ์ •๋ณด๋‚˜ ์ธ์ฆ ์ •๋ณด๋ฅผ ์š”์ฒญํ•˜๊ฑฐ๋‚˜, ์ถ”๊ฐ€์ ์ธ ์ธ์ฆ์„์œ„ํ•ด ๋ณ„๋„์˜ ์ฑ„๋„ ์ธ์ฆ ๋“ฑ์„ ์š”์ฒญํ•˜๋Š”
๊ธฐ๋Šฅ
โ€ข๋ถ€์ •ํ–‰์œ„ ํ†ต์ง€ ๋ฐ ๊ฒฝ๊ณ 
- ์˜์‹ฌ๋œ ํ–‰์œ„๊ฐ€ ํƒ์ง€๋˜์—ˆ์„ ๋•Œ ์ž๋™์ ์œผ๋กœ ํ˜น์€ ๋งค๋‰ด์–ผ ํ•˜๊ฒŒ ๊ฒฝ๊ณ ๋ฅผ ๊ด€๋ฆฌ์ž์—๊ฒŒ ํ†ต์ง€ํ•˜๋Š” ๊ธฐ๋Šฅ
- ๊ฒฝ๊ณ ๋Š” ํŠธ๋žœ์žญ์…˜์˜ ์†์„ฑ ํ–‰์œ„ ๋‚ด์šฉ์ด ์„ธ๋ถ€์ ์œผ๋กœ ํฌํ•จ ๋˜๋ฉฐ, e๋ฉ”์ผ, ํŽ˜์ด์ € ๋“ฑ์„ ํ†ตํ•ด ์ „๋‹ฌ
โ€ข์‚ฌ์šฉ์ž ๊ณ„์ • ์ฐจ๋‹จ
- ์˜์‹ฌ๋˜๋Š” ํ–‰์œ„๊ฐ€ ํƒ์ง€๋˜์—ˆ์„ ๋•Œ ์‚ฌ์šฉ์ž ๊ณ„์ •์— ์ ‘์† ์ฐจ๋‹จ์„ ์ ์šฉํ•˜๋Š” ๊ธฐ๋Šฅ
์ฐจ๋‹จ๋‹จ๊ณ„
V. Fraud Detection System
Bigdata Intelligence PlatformBICube 60
6๊ฐœ์›” ๋™์•ˆ ๊ฑฐ๋ž˜๊ฐ€ ์—†๋‹ค๊ฐ€ ๊ณต์ธ์ธ์ฆ์„œ๋ฅผ ์žฌ๋ฐœ๊ธ‰ํ•˜๊ณ  3๊ฑด ์ด์ƒ์˜ ๊ฑฐ๋ž˜๋ฅผ ํ•œ๋‹ค.
3ํšŒ์ด์ƒ๊ฑฐ๋ž˜?
์ด์ฒดNo
Alert
6๊ฐœ์›”๊ฐ„
์ด์ฒด๊ฑฐ๋ž˜?
๊ณต์ธ์ธ์ฆ์„œ
์žฌ๋ฐœ๊ธ‰?๊ฑฐ๋ž˜์‹œ์ž‘
No
Yes
V. Fraud Detection System
Bigdata Intelligence PlatformBICube 61
V. Fraud Detection System
Bigdata Intelligence PlatformBICube 62
V. Fraud Detection System
An overview of anomaly detection, ์„ฑ๊ท ๊ด€๋Œ€ ์ด์ง€ํ˜•
Bigdata Intelligence PlatformBICube 63
V. Fraud Detection System
An overview of anomaly detection, ์„ฑ๊ท ๊ด€๋Œ€ ์ด์ง€ํ˜•
Bigdata Intelligence PlatformBICube 64
V. Fraud Detection System
An overview of anomaly detection, ์„ฑ๊ท ๊ด€๋Œ€ ์ด์ง€ํ˜•
Bigdata Intelligence PlatformBICube 65
V. Fraud Detection System
An overview of anomaly detection, ์„ฑ๊ท ๊ด€๋Œ€ ์ด์ง€ํ˜•
Bigdata Intelligence PlatformBICube 66
V. Fraud Detection System
An overview of anomaly detection, ์„ฑ๊ท ๊ด€๋Œ€ ์ด์ง€ํ˜•
Bigdata Intelligence PlatformBICube 67
Artificial Immune Systems
V. Fraud Detection System
Bigdata Intelligence PlatformBICube 68
V. Fraud Detection System
Credit Card Fraud Detection with Artificial Immune System
Bigdata Intelligence PlatformBICube 69
๋ชฉ์ฐจ
I. Paradigm Shift
II. Machine Learning
III. Neural Stream
IV. FinTech
V. Fraud Detection System
VI. Conclusions
Bigdata Intelligence PlatformBICube 70
ํ•œ๊ตญ ๊ธˆ์œต๊ถŒ์˜ ์ด๋ฅธ๋ฐ” ์‹ ์šฉ ๋ฆฌ์Šคํฌ(credit risk / creditworthiness) ์ ๊ฒ€ ๋Šฅ๋ ฅ
์€ ๋ฐ”๋‹ฅ ์ˆ˜์ค€์ด๋‹ค. ์ด์œ ๋Š” โ€˜(์ œ3์ž) ๋ณด์ฆโ€™ ๋˜๋Š” โ€˜๋‹ด๋ณดโ€™ ๋•Œ๋ฌธ
๊ณต์ธ์ธ์ฆ์„œ์™€ ์•กํ‹ฐ๋ธŒ์—‘์Šค์˜ ๊ธˆ์œต ์‡„๊ตญ์ •์ฑ…
๊ฐ•์ •์ˆ˜
ํ•€ํ…Œํฌ ํ•œ๊ตญ์˜ ํ˜„์‹ค
VI. Conclusions
Bigdata Intelligence PlatformBICube 71
Classical rule-based approach
โ€ข Always โ€œtoo lateโ€:
โ€ข New fraud pattern is โ€œinventedโ€ by criminals
โ€ข Cardholders lose money and complain
โ€ข Banks investigate complains and try to understand the new pattern
โ€ข A new rule is implemented a few weeks later
โ€ข Expensive to build (knowledge intensive)
โ€ข Difficult to maintain:
โ€ข Many rules
โ€ข The situation is dynamically changing, so frequently
โ€ข rules have to be added, modified, or removed โ€ฆ
VI. Conclusions
Bigdata Intelligence PlatformBICube 72
A perfect fraud detection system:
โ€ข โ€œTunedโ€ to every cardholder or bank account:each cardholder or
bank account treated individually
โ€ข Adaptive:evolve with slow/small changes in cardholder behavior
โ€ข Fast (real-time)
โ€ข High accuracy
A system based on profiles
โ€ข Every cardholder gets a vector of parameters that describe his/her
behavior: an โ€œaverage-behaviorโ€ profile
โ€ข The system constantly compares this โ€œlong-termโ€ profile with the
recent behavior of cardholder
โ€ข Transactions that do not fit into cardholderโ€™s profile are flagged as
suspicious (or are blocked)
โ€ข Profiles are updated with every single transaction, so the system
constantly adopts to (slow and small) changes in cardholdersโ€™
behavior
VI. Conclusions
Bigdata Intelligence PlatformBICube 73
Challenge: real-time detection!
โ€ข Monitor in real time all POS/ATM transactions
โ€ข Detect unusual patterns and block compromised cards as quickly
as possible
โ€ข Ideally: block compromised cards before fraud is discovered!
โ€ข A big question: can we do it ???
โ€ข Some numbers:
โ€ข 3,000,000,000 transactions per year
โ€ข up to 15,000,000 transactions per day
โ€ข up to 400 transactions per second (peak hours)
โ€ข 100,000,000 cards
VI. Conclusions
Bigdata Intelligence PlatformBICube 74
Speed is the key !!!
โ€ข Maintain a sliding buffer of the last billion transactions in RAM
(fast memory)
โ€ข Organize the transactions in such a way that some queries could be
executed very fast
โ€ข Develop some clever algorithms that operate on this data structure
โ€ข Will it work??? Yes, it will !!! Yes, it does โ€ฆ
โ€ข many transactions - billions - algorithms must be efficient
โ€ข mixed variable types (generally not text, image)
โ€ข large number of variables
โ€ข incomprehensible variables, irrelevant variables
โ€ข different misclassification costs
โ€ข many ways of committing fraud
โ€ข unbalanced class sizes (c. 0.1% transactions fraudulent)
โ€ข delay in labelling
โ€ข mislabelled classes
โ€ข random transaction arrival times
โ€ข (reactive) population drift
VI. Conclusions
Bigdata Intelligence PlatformBICube 75
Agent
TimeReducer
Daily
Weekly
Monthly
TwoMonth
ThreeMonth
FourMonth
FiveMonth
SixMonth
SevenMonth
EightMonth
NineMonth
TenMonth
TwoWeek
ThreeWeek
TwoDay
ThreeDay
FourDay
FiveDay
SixDay
FourWeek
MetaParser
TimeStore
Long Transaction Memory
BlackList
SeccueCode
POSEntry
VI. Conclusions
Bigdata Intelligence PlatformBICube 76
VI. Conclusions
Bigdata Intelligence PlatformBICube 77
Thank you !
๊ฐ์‚ฌํ•ฉ๋‹ˆ๋‹ค.
Questions?
daengky@naver.com

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Fin tech and Fraud Detection System

  • 1. FinTech์™€ Fraud Detection System 2015.01.28 ๋น„์•„์ดํ๋ธŒ ๋Œ€ํ‘œ ๊น€๋ฏผ๊ฒฝ daengky@naver.com BICube ์ธํ„ฐ๋„ทํ™”ํ์—ฐ๊ตฌํšŒ ์›Œํฌ์ƒต
  • 2. Bigdata Intelligence PlatformBICube 2 ๋ชฉ์ฐจ I. Paradigm Shift II. Machine Learning III. Neural Stream IV. FinTech V. Fraud Detection System VI. Conclusions
  • 3. Bigdata Intelligence PlatformBICube 3 ๋ชฉ์ฐจ I. Paradigm Shift II. Machine Learning III. Neural Stream IV. FinTech V. Fraud Detection System VI. Conclusions
  • 4. Bigdata Intelligence PlatformBICube 4 I. Paradigm Shift Paradigm Shift see the same information in an entirely different way.
  • 5. Bigdata Intelligence PlatformBICube 5 I. Paradigm Shift Banking is Broken !
  • 7. Bigdata Intelligence PlatformBICube 7 I. Paradigm Shift ์ˆ˜๋งŽ์€ ์ง์ข…์€ ํ–ฅํ›„ 20๋…„๋‚ด์— ๋กœ๋ด‡ ๋ฐ ์ž๋™ํ™”๋กœ ์†Œ๋ฉธ -๋นŒ๊ฒŒ์ด์ธ  2030๋…„๊นŒ์ง€ 20์–ต๊ฐœ ์ด์ƒ์˜ ์ผ์ž๋ฆฌ๊ฐ€ ์†Œ๋ฉธ -ํ† ๋งˆ์Šค ํ”„๋ ˆ์ด
  • 8. Bigdata Intelligence PlatformBICube 8 I. Paradigm Shift ๊ณผ๊ฑฐ์˜ ์ธ๋ ฅ๊ฑฐ๊พผ๋ณด๋‹ค ํ›จ์”ฌ ๋งŽ์€ ์šด์ „์ž์™€ ์ง์ข…์ด ์ƒ๊ฒจ๋‚ฌ๋‹ค.
  • 9. Bigdata Intelligence PlatformBICube 9 ๋ชฉ์ฐจ I. Paradigm Shift II. Machine Learning III. Neural Stream IV. FinTech V. Fraud Detection System VI. Conclusions
  • 10. Bigdata Intelligence PlatformBICube 10 II. Machine Learning Data๋กœ ๋ถ€ํ„ฐ ์ถœ๋ฐœ.... โ€ข ๊ธฐ๊ณ„(Machine) + Learning (ํ•™์Šต) โ€ข ๊ธฐ๊ณ„(์ปดํ“จํ„ฐ)์—๊ฒŒ ๋ฐ์ดํ„ฐ๋ฅผ ์ด์šฉํ•˜์—ฌ ํ•™์Šตํ•˜๋Š” ๋ฐฉ๋ฒ•์„ ๊ฐ€๋ฅด์น˜๋Š” ๊ฒƒ. Teach computer how to learn from data ๋”ฐ๋ผ์„œ Data๊ฐ€ ๊ต์žฌ์ด๋‹ค.
  • 11. Bigdata Intelligence PlatformBICube 11 II. Machine Learning Data ์•Œ๊ณ ๋ฆฌ์ฆ˜ ๊ฐœ๋ฐœ์ž Model
  • 12. Bigdata Intelligence PlatformBICube 12 II. Machine Learning Machine Learning Model โ€ข ์ปดํ“จํ„ฐ๊ฐ€ ํ•™์Šตํ•  ์ˆ˜ ์žˆ๋„๋ก ํ•˜๋Š” ์•Œ๊ณ ๋ฆฌ์ฆ˜๊ณผ ๊ธฐ์ˆ  โ€ข ๋ฌธ์ œ๋ฅผ ํ•ด๊ฒฐํ•˜๊ธฐ์œ„ํ•œ ์ผ๋ จ์˜ ์ปดํ“จํ„ฐ ํ”„๋กœ์„ธ์Šค. โ€ข ์ •ํ™•ํ•œ ๋ฏธ๋ž˜๋ฅผ ์˜ˆ์ธกํ•˜๊ธฐ ์œ„ํ•œ ์ปดํ“จํ„ฐ ์•Œ๊ณ ๋ฆฌ์ฆ˜. โ€ข ์ปดํ“จํ„ฐ๊ฐ€ ์Šค์Šค๋กœ ํ•™์Šตํ•˜๋Š” ์˜ˆ์ธก๋ชจํ˜• (Training Data) Learning Algorithms Predictive Model ์‹ค๋ฐ์ดํ„ฐ (Actual Data) Forecast Prediction Classification Clustering Proactive โ€ข Optical character recognition โ€ข Face detection โ€ข Spam filtering โ€ข Topic spotting โ€ข Spoken language understanding โ€ข Medical diagnosis โ€ข Customer segmentation โ€ข Fraud detection โ€ข Weather prediction Supervised Unsupervised Semi-supervised Structured Unstructured Semi-structured Example Data
  • 13. Bigdata Intelligence PlatformBICube 13 II. Machine Learning ๊ธฐ๊ณ„ํ•™์Šต(Machine Learning)์˜ ์ข…๋ฅ˜ โ€ข Supervised learning : ์ง€๋„ํ•™์Šต โ€ข Data์˜ ์ข…๋ฅ˜๋ฅผ ์•Œ๊ณ  ์žˆ์„ ๋•Œ(Category, Labeled) โ€ข ex: spam mail โ€ข Unsupervised : ๋น„์ง€๋„ํ•™์Šต โ€ข Data์˜ ์ข…๋ฅ˜๋Š” ๋ชจ๋ฅด์ง€๋งŒ ํŒจํ„ด์„ ์•Œ๊ณ  ์‹ถ์„ ๋•Œ โ€ข SNS, Twitter โ€ข Semi-supervised learning : ์ง€๋„ํ•™์Šต + ๋น„์ง€๋„ํ•™์Šต โ€ข Reinforcement learning : ๊ฐ•ํ™”ํ•™์Šต โ€ข ์ž˜๋ชป๋œ ๊ฒƒ์„ ๋‹ค์‹œ ํ”ผ๋“œ๋ฐฑ โ€ข Evolutionary learning : ์ง„ํ™”ํ•™์Šต โ€ข Meta Learning : Landmark of data for classifier
  • 14. Bigdata Intelligence PlatformBICube 14 ML Modeling ML Deploy ML Optimizer New Data Decision Making Alert ML Lifecycle Anomaly Store Hadoop DFS/NoSQl/Hive II. Machine Learning
  • 15. Bigdata Intelligence PlatformBICube 15 Batch Delploy Flow Validate Deploy/Active Back-line Near-line On-line ๋ชจ๋ธ ๊ฐœ๋ฐœ SVM logistic regression FDS Anomaly Optimization ๋ชจ๋ธ ๊ฒ€์ฆ ๊ฐœ๋ฐœ๋œ ๋ชจ๋ธ์ด ์ž˜ ์ ์šฉ๋˜๋Š”์ง€ ๊ฒ€์ฆ ๋ชจ๋ธ ์ ์šฉ ๊ฒ€์ฆ๋œ ๋ชจ๋ธ์ด ์‹คํ™˜๊ฒฝ์— ์ ์šฉํ•˜์—ฌ ์‹คํ–‰ New Data II. Machine Learning
  • 16. Bigdata Intelligence PlatformBICube 16 II. Machine Learning Netwrok? โ€ข Neural Network : โ€ข ์ธ๊ฐ„์˜ ๋‡Œ ์‹ ๊ฒฝ๋ง์—์„œ ์˜๊ฐ์„ ์–ป์Œ โ€ข ex: Deep Learning โ€ข Bayesian Netwrok โ€ข ๋…ธ๋“œ๋“ค๊ฐ„์˜ ํ™•๋ฅ ์  ์˜์กด์„ฑ์„ ๋‚˜ํƒ€๋‚ด๋Š” ๊ทธ๋ž˜ํ”„ ๋ชจํ˜• โ€ข ๋ฐฉํ–ฅ ๋น„์ˆœํ™˜ ๊ทธ๋ž˜ํ”„ (DAG: Directed Acyclic Graph) โ€ข Markov Network โ€ข ๊ฒฐํ•ฉ๋ถ„ํฌํ™•๋ฅ  ๋ชจํ˜• โ€ข ๋น„๋ฐฉํ–ฅ๊ทธ๋ž˜ํ”„
  • 17. Bigdata Intelligence PlatformBICube 17 II. Machine Learning Perceptron Deep Learning x1 x3 x2 w3 w2 w1 o โ€ข Neural Network
  • 18. Bigdata Intelligence PlatformBICube 18 II. Machine Learning Markov Network Bayesian Netwrok
  • 19. Bigdata Intelligence PlatformBICube 19 ๋ชฉ์ฐจ I. Paradigm Shift II. Machine Learning III. Neural Stream IV. FinTech V. Fraud Detection System VI. Conclusions
  • 20. Bigdata Intelligence PlatformBICube 20 โ€ข High throughput โ€ข Machine Learning โ€ข Power Computing 50billion Device III. Neural Stream
  • 21. Bigdata Intelligence PlatformBICube 21 Legacy CEP(Complex Event Processing) CEPIII. Neural Stream
  • 22. Bigdata Intelligence PlatformBICube 22 Complex Event ? Complex:๋ณต์žกํ•œ Event :A piece fo data in software system or in real world ๊ธˆ์œต๊ฑฐ๋ž˜ ์˜ˆ์‹œ : ๊ณ ๊ฐID,IP์ฃผ์†Œ,์ ‘์†์ผ์ž,์ ‘์†์‹œ๊ฐ„,๊ฑฐ๋ž˜์ฑ„๋„๊ตฌ๋ถ„,๊ฑฐ๋ž˜์ข…๋ฅ˜,๊ฑฐ๋ž˜๊ณ ์œ ๋ฒˆํ˜ธ,์ถœ๊ธˆ์€ํ–‰๋ช…,์ถœ๊ธˆ๊ณ„์ขŒ,์ถœ ๊ธˆ๊ณ„์ขŒ์˜ˆ๊ธˆ์ฃผ๋ช…,์ถœ๊ธˆ๊ณ„์ขŒ์˜ˆ๊ธˆ์ฃผ๋ช…,๋ณด๋‚ด๋Š”ํ†ต์žฅํ‘œ์‹œ๋‚ด์šฉ,์ž…๊ธˆ์€ํ–‰์ฝ”๋“œ,์ž…๊ธˆ๊ณ„์ขŒ,์ž…๊ธˆ๊ณ„์ขŒ์˜ˆ๊ธˆ์ฃผ ๋ช…,๋ฐ›๋Š”ํ†ต์žฅํ‘œ์‹œ๋‚ด์šฉ,๊ฑฐ๋ž˜๊ธˆ์•ก,์ด์ฒด์ˆ˜์ˆ˜๋ฃŒ,๊ฑฐ๋ž˜ํ›„์ž”์•ก,๊ฑฐ๋ž˜์ผ์ž,๊ฑฐ๋ž˜์‹œ๊ฐ„ Event Streaming Processing CEPIII. Neural Stream
  • 23. Bigdata Intelligence PlatformBICube 23 CEP System ๋ณต์žก ๋‹ค๋‹จํ•œ ์—ฐ์‚ฐ์„ ์ˆ˜ํ–‰ํ•˜๋ฉด์„œ ๋งŽ์€ ์–‘์˜ ๋ฐ์ดํ„ฐ ๋ฅผ ์ฒ˜๋ฆฌํ•œ๋‹ค๋Š” ๊ฒƒ์€ ์‚ฌ์‹ค์ƒ ๋ฌผ๋ฆฌ์ ์œผ๋กœ ๋ถˆ๊ฐ€ํ•˜๋‹ค. ์ค‘์•™์ง‘์ค‘ํ˜• ํ์‡„ํ™”๋œ CEP์—”์ง„์œผ๋กœ ๊ฐ€๋Šฅํ• ๊นŒ? CEPIII. Neural Stream
  • 24. Bigdata Intelligence PlatformBICube 24 Min, Max, Sum, Avg,Join ๋“ฑ์œผ๋กœ ๋งŒ์กฑํ•  ์ˆ˜ ์žˆ์„๊นŒ? ์ฃผ์‹์ด 10% ๋–จ์–ด์ง€๊ณ  3ํšŒ ์ด์ƒ 5% ์˜ค๋ฅธ๋‹ค๋Š” ํŒจํ„ด๋งŒ์œผ๋กœ ์˜ˆ์ธกํ•  ์ˆ˜ ์žˆ์„๊นŒ? CEP Need more Algorithoms and more ML puzzle III. Neural Stream
  • 25. Bigdata Intelligence PlatformBICube 25 Near Real-time Seconds ์ˆ˜์ค€์˜ ์ง€์—ฐ(latency) ์‹œ๊ฐ„ ๋ณด์žฅ Real-time Real Real-time Milliseconds ์ˆ˜์ค€์˜ ์ง€์—ฐ(latency) ์‹œ๊ฐ„ ๋ณด์žฅ Microseconds ์ˆ˜์ค€์˜ ์ง€์—ฐ(latency) ์‹œ๊ฐ„ ๋ณด์žฅ (16ms) ๋ฆฌ์–ผํƒ€์ž„ ์ŠคํŠธ๋ฆฌ๋ฐ์˜ ์ข…๋ฅ˜ III. Neural Stream
  • 26. Bigdata Intelligence PlatformBICube 26 Giga Internet Neural Streaming External Neural Streaming Beacon Routing Internal Neural Cluster Neural Cluster CEP III. Neural Stream
  • 27. Bigdata Intelligence PlatformBICube 27 BIP Sharing Neural Streaming ML Neural Cortex Cortex Streaming Cortex Streaming Cortex Streaming III. Neural Stream
  • 28. Bigdata Intelligence PlatformBICube 28 Neural Streaming Beacon Neural Cluster Modeling Deploy Neurons (ML model) BIP CEP Share Cortex Streaming III. Neural Stream
  • 29. Bigdata Intelligence PlatformBICube 29 Neural Learning โ€“ Multi Model III. Neural Stream
  • 30. Bigdata Intelligence PlatformBICube 30 I. Paradigm Shift II. Machine Learning III. Neural Stream IV. FinTech V. Fraud Detection System VI. Conclusions ๋ชฉ์ฐจ
  • 31. Bigdata Intelligence PlatformBICube 31 ์ •๋ณด๊ธฐ์ˆ ์„ ํ™œ์šฉํ•˜์—ฌ ๊ตฌ์กฐยท์ œ๊ณต๋ฐฉ์‹ยท๊ธฐ๋ฒ• ๋ฉด์—์„œ ์ƒˆ๋กœ์šด ํ˜•ํƒœ์˜ ๊ธˆ์œต์„œ๋น„์Šค๋ฅผ ์ œ ๊ณตํ•˜๋Š” ๊ฒƒ์„ ์˜๋ฏธ IV. FinTech
  • 35. Bigdata Intelligence PlatformBICube 35 ๊ธฐ์—…๋ช… ์‚ฌ์—… ๋‚ด์šฉ ์ŠคํŠธ๋ผ์ดํ”„ (Stripe.com) ๏‚ง์ž์‚ฌ์˜ ์•ฑ ํ”„๋กœ๊ทธ๋ž˜๋ฐ ์ธํ„ฐํŽ˜์ด์Šค๋ฅผ ์•ฑ์— ์‚ฝ์ž… ํ•œ ํšŒ์›์—๊ฒŒ ๊ธ€๋กœ๋ฒŒ ๊ณ ๊ฐ์„ ๋Œ€์ƒ์œผ๋กœ ํ•œ ์ง€๊ธ‰๊ฒฐ ์ œ์™€ 7์ผ ์•ˆ์— ๋Œ€๊ธˆ์„ ์ง€๊ธ‰ํ•ด ์ฃผ๋Š” ์„œ๋น„์Šค ์ œ๊ณต ๏‚ง์ „ ์„ธ๊ณ„ 139๊ฐœ๊ตญ ํ†ตํ™”์™€ ๋น„ํŠธ์ฝ”์ธ, ์•Œ๋ฆฌํŽ˜์ด ๋“ฑ์œผ ๋กœ๋„ ๊ฒฐ์ œ ๊ฐ€๋Šฅ ์–ดํŽŒ (Affirm.com) ๏‚งํšŒ์›์ด ์˜จ๋ผ์ธ์‡ผํ•‘๋ชฐ์—์„œ ๋ฌผ๊ฑด์„ ๊ตฌ๋งคํ•  ๋•Œ, ์‹ ์šฉ ์นด๋“œ๊ฐ€ ์•„๋‹Œ ๋ณธ์ธ์˜ ์‹ ์šฉ์œผ๋กœ ํ• ๋ถ€ ๊ตฌ๋งคํ•  ์ˆ˜ ์žˆ๋„๋ก ํ•ด ์ฃผ๋Š” ๊ฒฐ์ œ ์„œ๋น„์Šค ์ œ๊ณต ๏‚งํšŒ์›์˜ ๊ณต๊ฐœ๋œ ๋ฐ์ดํ„ฐ๋ฅผ ๋ถ„์„ํ•ด ๋‹จ ๋ช‡ ์ดˆ ๋งŒ ์— ์‹ ์šฉ๋„๋ฅผ ํ‰๊ฐ€ํ•œ ํ›„, ํšŒ์›์˜ ์ ์ • ํ• ๋ถ€ ์ˆ˜์ˆ˜๋ฃŒ ๋ฅผ ์‚ฐ์ •ํ•˜์—ฌ ๋ถ€๊ณผ ๋นŒ๊ฐ€๋“œ (Billguard.com) ๏‚ง์ž์‚ฌ๊ฐ€ ๊ฐœ๋ฐœํ•œ ์˜ˆ์ธก ์•Œ๊ณ ๋ฆฌ์ฆ˜์„ ํ™œ์šฉํ•˜์—ฌ ์‹ ์šฉ์นด๋“œ ์ฒญ ๊ตฌ์„œ ์ƒ ์˜ค์ฒญ๊ตฌ ๋˜๋Š” ์ˆ˜์ˆ˜๋ฃŒ ๊ณผ๋‹ค ์ธ์ถœ ๋“ฑ์˜ ์ง•ํ›„๋ฅผ ํฌ์ฐฉ ํ•˜์—ฌ ํšŒ์›์—๊ฒŒ ์•Œ๋ ค์ฃผ๋Š” ์„œ๋น„์Šค ์ œ๊ณต ๏‚ง๋ชจ๋ฐ”์ผ์•ฑ์œผ๋กœ ํšŒ์›์˜ ์‹ ์šฉ์นด๋“œ์™€ ์€ํ–‰ ๊ณ„์ขŒ๋ฅผ ํ†ตํ•ฉ ๊ด€๋ฆฌ ๊ฐ€๋Šฅ ์˜จ๋ฑ (OnDeck.com) ๏‚ง100% ์˜จ๋ผ์ธ ๊ธฐ๋ฐ˜์œผ๋กœ ๋Œ€์ถœ ์‹ ์ฒญ์„œ ์ œ์ถœ์— 10๋ถ„, ์‹ ์ฒญ ์ต์ผ์— ์ง€์ • ๊ณ„์ขŒ๋กœ ์ž๊ธˆ์„ ์ž…๊ธˆํ•ด์ฃผ๋Š” ๋Œ€์ถœ ์„œ๋น„ ์Šค ์ œ๊ณต ๏‚ง์ž์ฒด ๊ฐœ๋ฐœํ•œ ์‹ ์šฉํ‰๊ฐ€ ์•Œ๊ณ ๋ฆฌ์ฆ˜์ด ๋Œ€์ถœ ์‹ ์ฒญ์ž์˜ ๊ธˆ ์œต๊ธฐ๊ด€ ๊ฑฐ๋ž˜๋‚ด์šฉ, ํ˜„๊ธˆ ํ๋ฆ„, SNS ์ƒ ํ‰ํŒ ๋“ฑ์„ ๊ณ ๋ ค ํ•ด ๋ช‡ ๋ถ„ ๋งŒ์— ์‹ ์šฉ ํ‰๊ฐ€ ๋ฐ ๋Œ€์ถœ ์—ฌ๋ถ€ ์‹ฌ์‚ฌ ์ž๋ฃŒ: ์šฐ๋ฆฌ๊ธˆ์œต๊ฒฝ์˜์—ฐ๊ตฌ์†Œ IV. FinTech
  • 37. Bigdata Intelligence PlatformBICube 37 Accenture IV. FinTech
  • 38. Bigdata Intelligence PlatformBICube 38 Accenture IV. FinTech
  • 41. Bigdata Intelligence PlatformBICube 41 FinTech์˜ ์ฃผ์š” ์‹œ์žฅ โ€ข ํ•ด์™ธ ์†ก๊ธˆ์ˆ˜์ˆ˜๋ฃŒ ์‹œ์žฅ โ€ข ์‹ ์šฉ์นด๋“œ ์ˆ˜์ˆ˜๋ฃŒ ์‹œ์žฅ-์•ฝ480์–ต ๋‹ฌ๋Ÿฌ โ€ข ์–‘๋ฉด ์‹œ์žฅ(Two-side markets) โ€ข ์นด๋“œ ์†Œ์ง€์ž์™€ ๊ฐ€๋งน์  โ€ข ๊ตฌ๊ธ€ ๋ฑ…ํฌ(Bank as a Platform-2007 ์˜๊ตญ) โ€ข ์•Œ๊ณ ๋ฆฌ์ฆ˜ ๋ฑ…ํฌ โ€ข M-Money โ€ข E-Money -without banks IV. FinTech
  • 42. Bigdata Intelligence PlatformBICube 42 ์•Œ๊ณ ๋ฆฌ์ฆ˜ ๊ธˆ์œต ์„œ๋น„์Šค์˜ ์„ฑ์žฅ IV. FinTech
  • 43. Bigdata Intelligence PlatformBICube 43 Two-side markets IV. FinTech
  • 44. Bigdata Intelligence PlatformBICube 44 ์• ํ”Œ ํŽ˜์ด(Apple Pay) ์ตœ์ดˆ๋กœ ์‹ ์šฉ์นด๋“œ, ์ฒดํฌ์นด๋“œ ๋“ฑ์„ ๋“ฑ๋ก-๋ถˆํŽธ ์นด๋“œ๋ฅผ ๋“ฑ๋กํ•˜๋ฉด์„œ ๋ถ€์—ฌ๋˜๋Š” '๊ธฐ๊ธฐ๊ณ„์ •๋ฒˆํ˜ธ(Device Account Number)'๋ฅผ ์ €์žฅ ๊ทผ๊ฑฐ๋ฆฌ๋ฌด์„ ํ†ต์‹ (NFC) ๊ธฐ๋Šฅ์„ ํ™œ์„ฑํ™”ํ•œ ์ƒํƒœ์—์„œ ๊ฐ€๋งน์  ๋‚ด ๋‹จ๋ง๊ธฐ์— ์•„ ์ดํฐ์„ ๊ฐ–๋‹ค๋Œ€๊ณ , ์†๊ฐ€๋ฝ์˜ ์ง€๋ฌธ์„ ํ†ตํ•ด ๋ณธ์ธ์ธ์ฆ ๊ฒฐ์ œ๊ฐ€ ์ด๋ค„์ง€๋Š” ์ˆœ๊ฐ„์—๋งŒ ์ƒ์„ฑ๋˜๋Š” ์ผํšŒ์šฉ ๋น„๋ฐ€๋ฒˆํ˜ธ์ธ '๋™์ ๋ณด์•ˆ์ฝ”๋“œ (dynamic security code)'์™€ ์—ฐ๋™ํ•ด ๊ฒฐ์ œ ์•„์ดํŠ ์ฆˆ ์œ ๋ฃŒ ์‚ฌ์šฉ์ž 2์–ต๋ช…์— ๋Œ€ํ•œ ์นด๋“œ๊ฒฐ์ œ์ •๋ณด๋ฅผ ๋ณด์œ  ์• ํ”ŒํŽ˜์ด๋Š” ์•„์ดํฐ6, ์•„์ดํฐ6 ํ”Œ๋Ÿฌ์Šค, ์• ํ”Œ์›Œ์น˜์™€ ๊ฐ™์€ ์ตœ์‹  ์• ํ”Œ ๊ธฐ๊ธฐ ์‚ฌ์šฉ์ž๋“ค๋งŒ ์“ธ ์ˆ˜ ์žˆ๋Š”๋ฐ๋‹ค๊ฐ€ ๊ฐ€๋งน์  ์ˆ˜ ๋˜ํ•œ ํŽ˜์ดํŒ”์— ๋น„ํ•ด ํ„ฑ์—†์ด ๋ถ€์กฑ IV. FinTech
  • 45. Bigdata Intelligence PlatformBICube 45 IV. FinTech The Kreditech Group uses big data, complex algorithms and automated workflows to serve a simple mission: โ€œBetter banking for everyoneโ€. Based on 20,000 dynamic data points, the unique technology is capable of scoring everyone worldwide, including the 4bn individuals without credit score. Deploying the technology makes physical contact and paper exchange redundant. Funds can be paid out within seconds to a credit card, bank account or NFC wallet, 24/7.
  • 46. Bigdata Intelligence PlatformBICube 46 ์•„ํ”„๋ฆฌ์นด ์ผ€๋ƒ์˜ ์ด๋™ํ†ต์‹ ์‚ฌ์ธ ์‚ฌํŒŒ๋ฆฌ์ฝค(Safaricom)์ด ์˜๊ตญ์˜ ๋ณด๋‹คํฐ (Vodafone)๊ณผ ํ•จ๊ป˜ 2007๋…„ ๋„์ž… http://slownews.kr/32306 IV. FinTech
  • 47. Bigdata Intelligence PlatformBICube 47 ์€ํ–‰ ๊ณ„์ขŒ ์—†์ด ๋ˆ์„ ์ด์ฒดํ•  ์ˆ˜ ์žˆ๋Š” ์„œ๋น„์Šค-์—  ํŽ˜์‚ฌ ํŽ˜์ด์Šค๋ถ ๋ฉ”์‹ ์ €, ์™“์ธ ์•ฑ, ์นด์นด์˜คํ†ก, ๋ผ์ธ ๋“ฑ์ด ์ค€๋น„ํ•˜๊ณ  ์žˆ๋Š” ๋ชจ๋ฐ”์ผ ๋ฉ”์‹ ์ € ๊ธฐ๋ฐ˜ ์ง€๋ถˆ ์„œ๋น„์Šค(payment service)๋Š” ํŽ˜์ดํŒ”(PayPal)์˜ ์ž‘๋™ ์›๋ฆฌ์™€ ์œ ์‚ฌ ์ด ๋ชจ๋“  ์„œ๋น„์Šค๋Š” ํŠน์ • ์€ํ–‰ ๊ณ„์ขŒ ๋˜๋Š” ์‹ ์šฉ์นด๋“œ ๊ณ„์ขŒ์™€ ์—ฐ๊ฒฐ ๋ˆ์„ ๋‚ด๊ณ  โ€˜๋ชจ๋ฐ”์ผ ๊ฐ€์ƒ ํ™”ํโ€™๋ฅผ ๋ฐ›๋Š”๋‹ค. ์ด๋ฅผ โ€˜์— -๋จธ๋‹ˆ(M-Money)โ€™๋ผ ๋ถ€๋ฅธ๋‹ค. ์— -๋จธ๋‹ˆ๋Š” ๋ฌธ์ž๋ฉ”์‹œ์ง€์™€ PIN(Personal Identification number)์„ ๋™์‹œ์— ์ด์šฉํ•ด ํƒ€์ธ์˜ ํœด๋Œ€ํฐ์œผ๋กœ ์ด์ฒด ๊ฐ€๋Šฅํ•˜๋ฉฐ, ์— -๋จธ๋‹ˆ๋กœ ์œ„์˜ ๊ทธ๋ฆผ์ฒ˜๋Ÿผ ์˜คํ”„๋ผ์ธ ๋งค์žฅ์—์„œ ์ง€๋ถˆ ์ˆ˜๋‹จ์œผ๋กœ ์ด์šฉํ•  ์ˆ˜ ์žˆ๋‹ค. ํ•„์š”์— ๋”ฐ๋ผ ์‚ฌํŒŒ๋ฆฌ์ฝค ๋Œ€๋ฆฌ์ ์„ ๋ฐฉ๋ฌธํ•˜์—ฌ ์— -๋จธ ๋‹ˆ๋ฅผ ์‹ค์ œ ํ™”ํ๋กœ ์‰ฝ๊ฒŒ ๊ตํ™˜ํ•  ์ˆ˜ ์žˆ๋‹ค. IV. FinTech
  • 48. Bigdata Intelligence PlatformBICube 48 I. Paradigm Shift II. Machine Learning III. Neural Stream IV. FinTech V. Fraud Detection System VI. Conclusions ๋ชฉ์ฐจ
  • 49. Bigdata Intelligence PlatformBICube 49 V. Fraud Detection System ์ด์ƒ๊ธˆ์œต๊ฑฐ๋ž˜ํƒ์ง€ ์‹œ์Šคํ…œ์ด๋ž€ ์ „์ž๊ธˆ์œต๊ฑฐ๋ž˜ ์ด์šฉ์ž ์ „์ž ๊ธˆ์œต๊ฑฐ๋ž˜ ์ •๋ณด๋ฅผ ๋ถ„์„ํ•˜์—ฌ ์ด์šฉ์ž์˜ ๊ฑฐ๋ž˜ ์ด ์ƒ์œ ๋ฌด๋ฅผ ๋ถ„์„,์ฐจ๋‹จํ•˜๋Š” ์‹œ์Šคํ…œ.
  • 50. Bigdata Intelligence PlatformBICube 50 V. Fraud Detection System
  • 51. Bigdata Intelligence PlatformBICube 51 V. Fraud Detection System
  • 52. Bigdata Intelligence PlatformBICube 52 V. Fraud Detection System
  • 53. Bigdata Intelligence PlatformBICube 53 V. Fraud Detection System
  • 54. Bigdata Intelligence PlatformBICube 54 1.๊ณ ๊ฐID(S10) 2.IP์ฃผ์†Œ(S20) 3.์ ‘์†์ผ์ž(S8) 4.์ ‘์†์‹œ๊ฐ„(S10) 5.๊ณ ๊ฐID(S10) 6.๊ฑฐ๋ž˜์ฑ„๋„๊ตฌ๋ถ„(S20) 7.๊ฑฐ๋ž˜์ข…๋ฅ˜(S20) 8.๊ฑฐ๋ž˜๊ณ ์œ ๋ฒˆํ˜ธ(S10) 9.์ถœ๊ธˆ์€ํ–‰๋ช…(S20) 10.์ถœ๊ธˆ๊ณ„์ขŒ(S20) 11.์ถœ๊ธˆ๊ณ„์ขŒ์˜ˆ๊ธˆ์ฃผ๋ช…(S20) 12.์ถœ๊ธˆ๊ณ„์ขŒ์˜ˆ๊ธˆ์ฃผ๋ช…(S20) 13.๋ณด๋‚ด๋Š”ํ†ต์žฅํ‘œ์‹œ๋‚ด์šฉ(S50) 14.์ž…๊ธˆ์€ํ–‰์ฝ”๋“œ(S3) 15.์ž…๊ธˆ๊ณ„์ขŒ(S20) 16.์ž…๊ธˆ๊ณ„์ขŒ์˜ˆ๊ธˆ์ฃผ๋ช…(S20) 17.๋ฐ›๋Š”ํ†ต์žฅํ‘œ์‹œ๋‚ด์šฉ(S50) 18.๊ฑฐ๋ž˜๊ธˆ์•ก(N20) 19.์ด์ฒด์ˆ˜์ˆ˜๋ฃŒ(N20) 20.๊ฑฐ๋ž˜ํ›„์ž”์•ก(N20) 21.๊ฑฐ๋ž˜์ผ์ž(S8) 22.๊ฑฐ๋ž˜์‹œ๊ฐ„(S10) 1.000167, 2.153.167.89.7, 3,20140418, 4.04:20:34, 5.000167, 6.์ธํ„ฐ๋„ท๋ฑ…ํ‚น 7.์ฆ‰์‹œ์ด์ฒด,๋กœ๊ทธ์ธ/์ž”์•ก์กฐํšŒ,์ด์ฒด์ž”์•ก์กฐํšŒ 8.0000000002, 9.xx์€ํ–‰, 10.123-45-678915, 11.์ด์ˆœ์‹ 67, 12.์ด์ˆœ์‹ 67, 13.์†ก๊ธˆํ•ฉ๋‹ˆ๋‹ค., 14.์‹ ํ•œ์€ํ–‰, 15.144-23141-2477, 16.๊น€๊ธธ๋™167, 17.(์ด์ˆœ์‹ 67)๋‹˜๊ป˜์„œ ์ž…๊ธˆํ•˜์…จ์Šต๋‹ˆ๋‹ค., 18.9708000, 19.1000, 20.31401000, 21.20140418, 22.00:04:40 -์˜ˆ์‹œ- V. Fraud Detection System
  • 55. Bigdata Intelligence PlatformBICube 55 ๋ชจ๋‹ˆํ„ฐ๋ง๋‹จ๊ณ„/๋ชจ๋“œ์— ๋”ฐ๋ฅธ ๊ธฐ๋Šฅ โ€ข ๋ฐฐ์น˜ํƒ€์ž„(bach/non-realtime) ๋ชจ๋‹ˆํ„ฐ๋ง ๊ธฐ๋Šฅ - ์ €์žฅ๋œ ๋กœ๊ทธ ํŒŒ์ผ์— ๋Œ€ํ•œ ๋งค๋‰ด์–ผ ํ˜น์€ ์ž๋™ํ™”๋œ ๋ชจ๋‹ˆํ„ฐ๋ง ๋ชจ๋“œ - ์ €์žฅ๋œ ํŠธ๋žœ์žญ์…˜์„ ์‚ฌํ›„์— ์„ธ๋ถ€์ ์œผ๋กœ ๊ฒ€ํ†  ๊ฐ€๋Šฅํ•˜๋‚˜ ์ฆ‰๊ฐ์ ์ธ ํƒ์ง€ ๋Œ€์‘์€ ์–ด๋ ค์›€ โ€ข ๋ฆฌ์–ผํƒ€์ž„(real time) ๋ชจ๋‹ˆํ„ฐ๋ง๊ธฐ๋Šฅ - ์›น์„œ๋ฒ„ ํ•„ํ„ฐ๋ฅผ ์‚ฌ์šฉํ•˜์—ฌ ์‹ค์‹œ๊ฐ„์œผ๋กœ ๋ชจ๋“  ํŠธ๋žœ์žญ์…˜์„ ๋ชจ๋‹ˆํ„ฐ๋ง ํ•˜๋Š” ๋ชจ๋“œ - ์‘์šฉํ”„๋กœ๊ทธ๋žจ์— ๋Œ€ํ•œ ์ˆ˜์ •์„ ํ•„์š”๋กœ ํ•˜์ง€ ์•Š์Œ โ€ข ์–ดํ”Œ๋ฆฌ์ผ€์ด์…˜ ๊ธฐ๋Šฅ์„ ์ด์šฉ ํ•˜๋Š” ๋ฆฌ์–ผํƒ€์ž„ ๋ชจ๋‹ˆํ„ฐ๋ง ๊ธฐ๋Šฅ - ์–ดํ”Œ๋ฆฌ์ผ€์ด์…˜์— ๋ชจ๋‹ˆํ„ฐ๋ง ๊ธฐ๋Šฅ์„ ํ†ตํ•ฉ ํ•˜์—ฌ ์›น ํŠธ๋žœ์žญ์…˜์„ ๋ชจ๋‹ˆํ„ฐ๋ง ํ•˜๋Š” ๋ชจ๋“œ - ์–ดํ”Œ๋ฆฌ์ผ€์ด์…˜ ์ž์ฒด๋ฅผ ์ˆ˜์ •ํ•ด์•ผํ•˜๋Š” ์š”๊ตฌ์‚ฌํ•ญ์„ ๊ฐ€์ง โ€ข ์™ธ๋ถ€ ์–ดํ”Œ๋ฆฌ ์ผ€์ด์…˜ ๊ธฐ๋ฐ˜ ๋ฆฌ์–ผํƒ€์ž„ ๋ชจ๋‹ˆํ„ฐ๋ง ๊ธฐ๋Šฅ - ์™ธ๋ถ€ ์–ดํ”Œ๋ฆฌ์ผ€์ด์…˜์„ ์ด์šฉํ•ด ๋ชจ๋“  ์›น ํŠธ๋žœ์žญ์…˜์„ ๋ชจ๋‹ˆํ„ฐ๋ง ํ•˜๋Š” ๋ชจ๋“œ - ์ด ๋ฐฉ์‹์€ ์›น ํ•„ํ„ฐ์™€ ๋ชจ๋‹ˆํ„ฐ๋ง ๋ชจ๋“ˆ์ด ์ˆœ์ฐจ์ ์œผ๋กœ ์ž‘๋™ํ•˜๊ธฐ ๋•Œ๋ฌธ์— ์–ดํ”Œ๋ฆฌ ์ผ€์ด์…˜์˜ ์„ฑ๋Šฅ์— ์˜ํ–ฅ์„ ๋ฏธ์น  ์ˆ˜ ์žˆ์Œ โ€ข ๋‹ค์ค‘์ฑ„๋„ ๋ฐ์ดํ„ฐ ์ˆ˜์ง‘ ๋ชจ๋‹ˆํ„ฐ๋ง ๊ธฐ๋Šฅ - ๋‹ค๋ฅธ ์ฑ„๋„๋กœ๋ถ€ํ„ฐ์˜ ํŠธ๋žœ์žญ์…˜๋ฐ์ดํ„ฐ๋ฅผ ํ†ตํ•ฉํ•˜์—ฌ ๋ถ€์ •ํ–‰์œ„๋ฅผ ๋ชจ๋‹ˆํ„ฐ๋งํ•˜๊ณ  ํƒ์ง€ํ•˜๋Š” ๋ชจ๋“œ V. Fraud Detection System
  • 56. Bigdata Intelligence PlatformBICube 56 ๋ชจ๋‹ˆํ„ฐ๋ง๋‹จ๊ณ„/๋Œ€์ƒ์— ๋”ฐ๋ฅธ ๊ธฐ๋Šฅ โ€ข๋ฐ์ดํ„ฐ๋ฒ ์ด์Šค - ํŠน์ • ์‚ฌ์šฉ์ž์™€ ๊ด€๋ จ๋œ ๋ฐ์ดํ„ฐ๋ฒ ์ด์Šค ํŠธ๋žœ์žญ์…˜์„ ๋ชจ๋‹ˆํ„ฐ๋ง ํ•˜๋Š” ๊ธฐ๋Šฅ โ€ข๋ฐ์ดํ„ฐ/์ฝ˜ํ…์ธ  - ๋ฐ์ดํ„ฐ ํŒจํ„ด ๊ทœ์น™์— ๋”ฐ๋ผ ๋ถ€์ ์ ˆํ•œ ์ฝ˜ํ…์ธ ๋‚˜ ๋ฐ์ดํ„ฐ์˜ ์‚ฌ์šฉ์„ ๋ชจ๋‹ˆํ„ฐ๋งํ•˜๋Š” ๊ธฐ๋Šฅ โ€ข์„œ๋น„์Šค - ํŠน์ • ์„œ๋น„์Šค์˜ ๋น„์ฆˆ๋‹ˆ์Šค ๋ฃฐ์— ๋”ฐ๋ผ ํ•ด๋‹น ์–ดํ”Œ๋ฆฌ์ผ€์ด์…˜ ์„œ๋น„์Šค ๋ฐ ์ ‘๊ทผ ์ฑ„๋„์—์„œ ์˜์‹ฌ๋˜๋Š” ์‚ฌ์šฉ์ž ํ™œ๋™์„ ๋ชจ๋‹ˆํ„ฐ๋ง ๊ธฐ ๋Šฅ โ€ข๋„คํŠธ์›Œํฌ - ํŠน์ • ์‚ฌ์šฉ์ž์™€ ์—ฐ๊ด€๋œ ์–ดํ”Œ๋ฆฌ์ผ€์ด์…˜๋“ค์˜ ๋น„์ •์ƒ์ ์ธ ๋„คํŠธ์›Œํฌ ํŠธ๋ž˜ํ”ฝ์„ ๋ชจ๋‹ˆํ„ฐ๋งํ•˜๋Š” ๊ธฐ๋Šฅ - ๋„คํŠธ์›Œํฌ ์ด์™ธ์— ํŒŒ์ผ ์‹œ์Šคํ…œ, ์ฝ˜ํ…์ธ , ๋ฐ์ดํ„ฐ๋ฒ ์ด์Šค๊นŒ์ง€ ํฌ๊ด„ํ•˜์—ฌ ๋ชจ๋‹ˆํ„ฐ๋งํ•˜์ง€ ๋ชปํ•จ โ€ข๋ณด์•ˆ์ด๋ฒคํŠธ - ๋‹ค์–‘ํ•œ ๋ณด์•ˆ ๋ชจ๋‹ˆํ„ฐ๋ง ์žฅ์น˜์— ์˜ํ•ด ์ธํ”„๋ผ์—์„œ ์–ดํ”Œ๋ฆฌ์ผ€์ด์…˜๊นŒ์ง€ ๊ด‘๋ฒ”์œ„ํ•œ ๋ฒ”์œ„๋กœ๋ถ€ํ„ฐ์˜ ๋ณด์•ˆ ์ด๋ฒคํŠธ๋ฅผ ๋ชจ๋‹ˆํ„ฐ๋ง ํ•˜ ๋Š” ๊ธฐ๋Šฅ V. Fraud Detection System
  • 57. Bigdata Intelligence PlatformBICube 57 ํƒ์ง€๋‹จ๊ณ„ โ€ขํŠธ๋žœ์žญ์…˜ ์บก์ฒ˜ - ์‚ฌ์šฉ์ž๊ฐ€ ์ฒ˜์Œ ์•ก์„ธ์Šค ํ•œ ์ดํ›„์— ๊ฐ ์‚ฌ์šฉ์ž์˜ ํ–‰์œ„ ํ”„๋กœํŒŒ์ผ์„ ์ž๋™์ ์œผ๋กœ ์ƒ์„ฑํ•˜๊ณ  ํŠธ๋žœ์žญ์…˜์œผ๋กœ๋ถ€ํ„ฐ ์ด์ƒํ–‰์œ„ ์† ์„ฑ์„ ์ถ”์ถœํ•˜์—ฌ ๋งคํ•‘ํ•˜๋Š” ๊ธฐ๋Šฅ โ€ข์ด์ƒํ–‰์œ„ ํŒจํ„ด ๊ฐฑ์‹  - ๋„คํŠธ์›Œํฌ๋กœ๋ถ€ํ„ฐ ์ด์ƒ ํ–‰์œ„ ๋ฐ์ดํ„ฐ๋ฅผ ์ž๋™์ ์œผ๋กœ ๊ฐฑ์‹ ํ•˜๋Š” ๊ธฐ๋Šฅ - ์ด์ƒ ํ–‰์œ„ ๋ฐ์ดํ„ฐ๋Š” ๊ทœ์น™์— ๋ฒ—์–ด๋‚˜๋Š” ํŠธ๋žœ์žญ์…˜ ์œ„์น˜์ •๋ณด, ๋ธ”๋ž™๋ฆฌ์ŠคํŠธ ๋‹จ๋ง ์ •๋ณด ๋“ฑ์„ ํฌํ•จํ•จ โ€ข์‚ฌ์ „ ์ •์˜ ๊ทœ์น™ ์ง€์› - ์ด์ƒํ–‰์œ„ ํƒ์ง€ ์‹œ์Šคํ…œ์ด ์‚ฌ์ „์— ์ •์˜ํ•œ ํƒ์ง€ ๊ทœ์น™์— ๊ธฐ๋ฐ˜ํ•˜์—ฌ ๋™์ž‘ํ•˜๋Š” ๊ธฐ๋Šฅ - ๋ถ€๊ฐ€์ ์œผ๋กœ ์‹ ๊ทœ ๊ทœ์น™์„ ์ƒ์„ฑ, ์ˆ˜์ •,์‚ญ์ œํ•˜๋Š” ๊ธฐ๋Šฅ์„ ํฌํ•จํ•˜๋ฉฐ, ๋‹ค๋ฅธ ์กฐ์ง๊ณผ ๊ทœ์น™์„ ๊ณต์œ  ๊ฐ€๋Šฅํ•  ์ˆ˜ ์žˆ์Œ โ€ข์‹ค์‹œ๊ฐ„ ๋ฃฐ ์ฒ˜๋ฆฌ ๊ธฐ๋Šฅ - ์‚ฌ์šฉ์ž/์„ธ์…˜์˜ ์œ„ํ˜‘ ์Šค์ฝ”์–ด์™€ ์„ธ๋ถ€์ ์ธ ์œ„ํ˜‘ ํ†ต์ง€๋ฅผ ์‹ค์‹œ๊ฐ„์œผ๋กœ ์ƒ์„ฑํ•  ์ˆ˜ ์žˆ๋Š” ๊ธฐ๋Šฅ - ์‚ฌ์šฉ์ž์˜ ํ–‰์œ„๋ฅผ ์ผ์ •์‹œ๊ฐ„์ด์ƒ ํ”„๋กœํŒŒ์ผํ•˜์—ฌ ๋น„์ •์ƒ์ ์ธ ์‚ฌ์šฉ์ž ํ–‰์œ„, ๋ธ”๋ž™/ํ™”์ดํŠธ ๋ฆฌ์ŠคํŠธ, ์ด์ƒ ํ–‰์œ„ ๋ฐ์ดํ„ฐ, ์ • ์ƒ ์œ„์น˜๋ฐ์ดํ„ฐ ๋“ฑ์„ ์ด์šฉํ•˜๋Š” ๊ธฐ๋Šฅ - ๋ณธ ๊ธฐ๋Šฅ์„ ํ†ตํ•˜์—ฌ ํŠน์ • ์œ„ํ˜‘ ์ˆ˜์ค€ ์ด์ƒ์˜ ๊ฒฝ์šฐ ๋Œ€์‘ ๋ฐ ์ฐจ๋‹จ ํ–‰์œ„๋กœ ์—ฐ๊ณ„ํ•  ์ˆ˜ ์žˆ์Œ โ€ข๊ด€๋ฆฌ ๋„๊ตฌ ์ง€์› - ๊ด€๋ฆฌ๋„๊ตฌ๋Š” ์•Œ๋ ค์ง„ ์ด์ƒ ์ง•ํ›„ ์ƒํƒœ, ํ™œ๋™ํ˜„ํ™ฉ, ์ƒˆ๋กœ์šด ์ด์ƒ ์ง•ํ›„์— ๋Œ€ํ•ด ๊ด€๋ฆฌ์ž ์ธํ„ฐํŽ˜์ด์Šค๋ฅผ ์ œ๊ณตํ•˜๊ณ  e๋ฉ”์ผ๊ณผ ์›น์„œ๋น„์Šค ํ†ต์ง€๋ฅผ ํฌํ•จํ•˜๋Š” ํ†ต์ง€ ๋ฉ”์ปค๋‹ˆ์ฆ˜ ์„ค์ •์„ ์ง€์› โ€ข์‚ฌํ›„ ํŠธ๋žœ์žญ์…˜ ๋ถ„์„ - ์‚ฌํ›„ ์ด์ƒ์ง•ํ›„ ๋ถ„์„์„ ์œ„ํ•ด ๊ด€๋ จ ๋ชจ๋“  ๋ฐ์ดํ„ฐ๋ฅผ ์ €์žฅํ•˜๊ณ  ์ˆ˜์ง‘ํ•˜๋Š” ๊ธฐ๋Šฅ์œผ๋กœ ์ผ์ •๊ธฐ๊ฐ„ ๋™์•ˆ ๋ชจ๋“  ์‚ฌ์šฉ์ž์˜ ๊ฑฐ๋ž˜ ๋ฐ์ดํ„ฐ๋ฅผ ํฌํ•จ - ๋ถ€์ •๋ฐฉ์ง€์‹œ์Šคํ…œ์€ ๊ฐ ์‚ฌ์šฉ์ž์˜ ํ–‰์œ„ ํ”„๋กœํŒŒ์ผ์„ ์‚ฌ์šฉํ•˜์—ฌ ์„ธ์…˜, ์‚ฌ์šฉ์ž,์‹œ๊ฐ„์— ๋”ฐ๋ผ ๊ฐ ํŠธ๋žœ์žญ์…˜์˜ ์‚ฌํ›„ ๋ถ„์„์„ ์œ„ํ•˜์—ฌ ๋ถ„๋ฅ˜ ๋ฐ ์ˆ˜์ง‘ ์ €์žฅํ•จ V. Fraud Detection System
  • 58. Bigdata Intelligence PlatformBICube 58 โ€ขํฌ๋ Œ์‹ ๋ถ„์„ ๊ธฐ๋Šฅ - ํŒจํ„ด์— ๋”ฐ๋ผ ํŠธ๋žœ์žญ์…˜ ๋ฐ์ดํ„ฐ์˜ ์„ธ๋ถ€ ๋‚ด์šฉ์„ ๋ถ„์„ํ•˜๊ณ  ์ถ”์ถœ ๊ฒ€์ƒ‰ํ•˜๋Š” ๊ธฐ๋Šฅ์œผ๋กœ ์‹ค์‹œ๊ฐ„ ํƒ์ง€ ๋ฃฐ์„ ์œ„ํ•œ ์‹ ๊ทœ ๋ถ€์ • ํŒจ ํ„ด์„ ์‹๋ณ„ํ•˜๋Š” ๊ฒƒ์„ ์ง€์› โ€ข์‚ฌ์šฉ์ž ํ–‰์œ„ ํ”„๋กœํŒŒ์ผ ๋ฐ ํ•™์Šต ๊ธฐ๋Šฅ - ํ–‰์œ„ ํ”„๋กœํŒŒ์ผ์€ ์ •์ƒ์ ์ธ ์‚ฌ์šฉ์ž์˜ ํ–‰์œ„๋กœ๋ถ€ํ„ฐ ๋ฒ—์–ด๋‚˜๋Š” ์‚ฌ์šฉ์ž ํ–‰์œ„์— ๋Œ€ํ•˜์—ฌ ์œ„ํ˜‘ ์—ฌ๋ถ€๋ฅผ ๊ฒฐ์ •ํ•˜๊ธฐ ์œ„ํ•œ ๊ทผ๊ฑฐ๋กœ ํ™œ์šฉ - ๋ชจ๋“  ๊ฐœ๋ณ„ ์‚ฌ์šฉ์ž์— ๋Œ€ํ•˜์—ฌ ์ฒ˜์Œ ์ ‘์† ์‹œ์ ๋ถ€ํ„ฐ ์ผ์ •๊ธฐ๊ฐ„ ๋™์•ˆ ์ •์ƒ ํ–‰์œ„ ํŒจํ„ด์˜ ํ”„๋กœํŒŒ์ผ์„ ์ƒ์„ฑํ•˜๋Š” ๊ธฐ๋Šฅ โ€ข์ง€๋Šฅ์ ์ธ ์ด์ƒํ–‰์œ„ ํŒจํ„ด ํƒ์ง€ - ๋ชจ๋“  ๋ถ€์ •๊ฑฐ๋ž˜๊ฐ€ ๊ฐœ๋ณ„์ ์ธ ๋ฐ์ดํ„ฐ ํ•„๋“œ์™€ ๋„คํŠธ์›Œํฌ ์‘์šฉ ๋กœ๊ทธ๋ฅผ ํ†ตํ•ด์„œ๋งŒ ํƒ์ง€๋  ์ˆ˜ ์—†์Œ - ๋ฐ์ดํ„ฐ ๊ฐ„์˜ ์—ฐ๊ด€์„ฑ ๋ถ„์„๊ณผ ํ‰๊ฐ€๋ฅผ ์œ„ํ•˜์—ฌ ์ง€๋Šฅ์ ์ธ ํƒ์ง€ ์•Œ๊ณ ๋ฆฌ์ฆ˜ ๋ฐ ๊ธฐ๋Šฅ์ด ํ•„์š” โ€ขํŠน์ • ์„œ๋น„์Šค์˜ ์ด์ƒํ–‰์œ„ ํŒจํ„ด ํƒ์ง€ ํŒจํ„ด - ์•Œ๋ ค์ง„ ๋ถ€์ • ํŒจํ„ด ๋ฐ ์„œ๋น„์Šค ์˜์กด์ ์ธ ๋ถ€์ • ํŒจํ„ด์— ์ผ์น˜ํ•˜๋Š” ํŠธ๋žœ์žญ์…˜์˜ ํŒจํ„ด์„ ์ฐพ๊ธฐ ์œ„ํ•œ ๊ทœ์น™์„ ์ •์˜ํ•˜๋Š” ๊ธฐ๋Šฅ - ์„œ๋น„์Šค์˜ ๋น„์ฆˆ๋‹ˆ์Šค ๋กœ์ง์— ๋”ฐ๋ผ ์˜์‹ฌ๋˜๋Š” ํŠธ๋žœ์žญ์…˜์˜ ํŠน์ • ์ˆœ์„œ๋‚˜ ์ƒํƒœ๋ฅผ ์ฐพ๋Š” ๊ธฐ๋Šฅ โ€ข๋‹ค์ค‘ ์ฑ„๋„ ์œ„ํ˜‘ ํ‰๊ฐ€ - ๋ถ€์ •ํƒ์ง€์‹œ์Šคํ…œ์€ ์ฃผ์–ด์ง„ ์‘์šฉ, ์ฑ„๋„ ์ด์™ธ์— ์ „ํ™”, ์›น, ๋Œ€๋ฉด ๊ฑฐ๋ž˜ ๋“ฑ์˜ ๋‹ค์ค‘์ฑ„๋„, ๋ฐ ์‹ ์šฉ๊ฑฐ๋ž˜, ์ง๋ถˆ๊ฑฐ๋ž˜ ๋“ฑ์˜ ๋‹ค์ค‘ ์„œ๋น„ ์Šค ๊ฐ„์— ๋ถ€์ •ํ–‰์œ„๋ฅผ ํƒ์ง€ํ•˜๋Š” ๊ธฐ๋Šฅ - ๋ถ€์ •ํƒ์ง€ ์‹œ์Šคํ…œ์€ ์‘์šฉ๋ฟ๋งŒ ์•„๋‹ˆ๋ผ ์‹œ์Šคํ…œ, ๋„คํŠธ์›Œํฌ๋กœ๋ถ€ํ„ฐ์˜ ๋ถ€์ •ํ–‰์œ„์™€ ์—ฐ๊ณ„ํ•˜์—ฌ ํ‰๊ฐ€ํ•˜๋Š” ๊ธฐ๋Šฅ โ€ข์ž๋™ ์œ„ํ˜‘ ๋ถ„์„ ๋ฐ ์ˆ˜์ค€ ํ‰๊ฐ€ - ๋ณด์•ˆ ์œ„ํ˜‘์„ ์ž๋™์ ์œผ๋กœ ์ธ์‹ํ•˜๊ณ  ํ‰๊ฐ€ํ•˜์—ฌ ์„ค์ •ํ•˜๋Š” ๊ธฐ๋Šฅ ํƒ์ง€๋‹จ๊ณ„ V. Fraud Detection System
  • 59. Bigdata Intelligence PlatformBICube 59 โ€ข์ถ”๊ฐ€์ ์ธ ์‚ฌ์šฉ์ž ์ธ์ฆ ๋ฐ ๊ฒ€์ฆ - ๊ณ ์ˆ˜์ค€์˜ ๋ณด์•ˆ์„ ์š”๊ตฌํ•˜๋Š” ์‘์šฉ ํ˜น์€ ๋ถ€์ • ์ง•ํ›„๊ฐ€ ํƒ์ง€๋œ ์ ‘๊ทผ์—์„œ ์‚ฌ์šฉ์ž์—๊ฒŒ ์ถ”๊ฐ€์ ์ธ ์ธ์ฆ์„ ์š”๊ตฌํ•˜๋Š” ๊ธฐ๋Šฅ - ์‚ฌ์šฉ์ž์—๊ฒŒ ์‚ฌ์ „์— ์ •์˜๋œ ์ •๋ณด๋‚˜ ์ธ์ฆ ์ •๋ณด๋ฅผ ์š”์ฒญํ•˜๊ฑฐ๋‚˜, ์ถ”๊ฐ€์ ์ธ ์ธ์ฆ์„์œ„ํ•ด ๋ณ„๋„์˜ ์ฑ„๋„ ์ธ์ฆ ๋“ฑ์„ ์š”์ฒญํ•˜๋Š” ๊ธฐ๋Šฅ โ€ข๋ถ€์ •ํ–‰์œ„ ํ†ต์ง€ ๋ฐ ๊ฒฝ๊ณ  - ์˜์‹ฌ๋œ ํ–‰์œ„๊ฐ€ ํƒ์ง€๋˜์—ˆ์„ ๋•Œ ์ž๋™์ ์œผ๋กœ ํ˜น์€ ๋งค๋‰ด์–ผ ํ•˜๊ฒŒ ๊ฒฝ๊ณ ๋ฅผ ๊ด€๋ฆฌ์ž์—๊ฒŒ ํ†ต์ง€ํ•˜๋Š” ๊ธฐ๋Šฅ - ๊ฒฝ๊ณ ๋Š” ํŠธ๋žœ์žญ์…˜์˜ ์†์„ฑ ํ–‰์œ„ ๋‚ด์šฉ์ด ์„ธ๋ถ€์ ์œผ๋กœ ํฌํ•จ ๋˜๋ฉฐ, e๋ฉ”์ผ, ํŽ˜์ด์ € ๋“ฑ์„ ํ†ตํ•ด ์ „๋‹ฌ โ€ข์‚ฌ์šฉ์ž ๊ณ„์ • ์ฐจ๋‹จ - ์˜์‹ฌ๋˜๋Š” ํ–‰์œ„๊ฐ€ ํƒ์ง€๋˜์—ˆ์„ ๋•Œ ์‚ฌ์šฉ์ž ๊ณ„์ •์— ์ ‘์† ์ฐจ๋‹จ์„ ์ ์šฉํ•˜๋Š” ๊ธฐ๋Šฅ ์ฐจ๋‹จ๋‹จ๊ณ„ V. Fraud Detection System
  • 60. Bigdata Intelligence PlatformBICube 60 6๊ฐœ์›” ๋™์•ˆ ๊ฑฐ๋ž˜๊ฐ€ ์—†๋‹ค๊ฐ€ ๊ณต์ธ์ธ์ฆ์„œ๋ฅผ ์žฌ๋ฐœ๊ธ‰ํ•˜๊ณ  3๊ฑด ์ด์ƒ์˜ ๊ฑฐ๋ž˜๋ฅผ ํ•œ๋‹ค. 3ํšŒ์ด์ƒ๊ฑฐ๋ž˜? ์ด์ฒดNo Alert 6๊ฐœ์›”๊ฐ„ ์ด์ฒด๊ฑฐ๋ž˜? ๊ณต์ธ์ธ์ฆ์„œ ์žฌ๋ฐœ๊ธ‰?๊ฑฐ๋ž˜์‹œ์ž‘ No Yes V. Fraud Detection System
  • 61. Bigdata Intelligence PlatformBICube 61 V. Fraud Detection System
  • 62. Bigdata Intelligence PlatformBICube 62 V. Fraud Detection System An overview of anomaly detection, ์„ฑ๊ท ๊ด€๋Œ€ ์ด์ง€ํ˜•
  • 63. Bigdata Intelligence PlatformBICube 63 V. Fraud Detection System An overview of anomaly detection, ์„ฑ๊ท ๊ด€๋Œ€ ์ด์ง€ํ˜•
  • 64. Bigdata Intelligence PlatformBICube 64 V. Fraud Detection System An overview of anomaly detection, ์„ฑ๊ท ๊ด€๋Œ€ ์ด์ง€ํ˜•
  • 65. Bigdata Intelligence PlatformBICube 65 V. Fraud Detection System An overview of anomaly detection, ์„ฑ๊ท ๊ด€๋Œ€ ์ด์ง€ํ˜•
  • 66. Bigdata Intelligence PlatformBICube 66 V. Fraud Detection System An overview of anomaly detection, ์„ฑ๊ท ๊ด€๋Œ€ ์ด์ง€ํ˜•
  • 67. Bigdata Intelligence PlatformBICube 67 Artificial Immune Systems V. Fraud Detection System
  • 68. Bigdata Intelligence PlatformBICube 68 V. Fraud Detection System Credit Card Fraud Detection with Artificial Immune System
  • 69. Bigdata Intelligence PlatformBICube 69 ๋ชฉ์ฐจ I. Paradigm Shift II. Machine Learning III. Neural Stream IV. FinTech V. Fraud Detection System VI. Conclusions
  • 70. Bigdata Intelligence PlatformBICube 70 ํ•œ๊ตญ ๊ธˆ์œต๊ถŒ์˜ ์ด๋ฅธ๋ฐ” ์‹ ์šฉ ๋ฆฌ์Šคํฌ(credit risk / creditworthiness) ์ ๊ฒ€ ๋Šฅ๋ ฅ ์€ ๋ฐ”๋‹ฅ ์ˆ˜์ค€์ด๋‹ค. ์ด์œ ๋Š” โ€˜(์ œ3์ž) ๋ณด์ฆโ€™ ๋˜๋Š” โ€˜๋‹ด๋ณดโ€™ ๋•Œ๋ฌธ ๊ณต์ธ์ธ์ฆ์„œ์™€ ์•กํ‹ฐ๋ธŒ์—‘์Šค์˜ ๊ธˆ์œต ์‡„๊ตญ์ •์ฑ… ๊ฐ•์ •์ˆ˜ ํ•€ํ…Œํฌ ํ•œ๊ตญ์˜ ํ˜„์‹ค VI. Conclusions
  • 71. Bigdata Intelligence PlatformBICube 71 Classical rule-based approach โ€ข Always โ€œtoo lateโ€: โ€ข New fraud pattern is โ€œinventedโ€ by criminals โ€ข Cardholders lose money and complain โ€ข Banks investigate complains and try to understand the new pattern โ€ข A new rule is implemented a few weeks later โ€ข Expensive to build (knowledge intensive) โ€ข Difficult to maintain: โ€ข Many rules โ€ข The situation is dynamically changing, so frequently โ€ข rules have to be added, modified, or removed โ€ฆ VI. Conclusions
  • 72. Bigdata Intelligence PlatformBICube 72 A perfect fraud detection system: โ€ข โ€œTunedโ€ to every cardholder or bank account:each cardholder or bank account treated individually โ€ข Adaptive:evolve with slow/small changes in cardholder behavior โ€ข Fast (real-time) โ€ข High accuracy A system based on profiles โ€ข Every cardholder gets a vector of parameters that describe his/her behavior: an โ€œaverage-behaviorโ€ profile โ€ข The system constantly compares this โ€œlong-termโ€ profile with the recent behavior of cardholder โ€ข Transactions that do not fit into cardholderโ€™s profile are flagged as suspicious (or are blocked) โ€ข Profiles are updated with every single transaction, so the system constantly adopts to (slow and small) changes in cardholdersโ€™ behavior VI. Conclusions
  • 73. Bigdata Intelligence PlatformBICube 73 Challenge: real-time detection! โ€ข Monitor in real time all POS/ATM transactions โ€ข Detect unusual patterns and block compromised cards as quickly as possible โ€ข Ideally: block compromised cards before fraud is discovered! โ€ข A big question: can we do it ??? โ€ข Some numbers: โ€ข 3,000,000,000 transactions per year โ€ข up to 15,000,000 transactions per day โ€ข up to 400 transactions per second (peak hours) โ€ข 100,000,000 cards VI. Conclusions
  • 74. Bigdata Intelligence PlatformBICube 74 Speed is the key !!! โ€ข Maintain a sliding buffer of the last billion transactions in RAM (fast memory) โ€ข Organize the transactions in such a way that some queries could be executed very fast โ€ข Develop some clever algorithms that operate on this data structure โ€ข Will it work??? Yes, it will !!! Yes, it does โ€ฆ โ€ข many transactions - billions - algorithms must be efficient โ€ข mixed variable types (generally not text, image) โ€ข large number of variables โ€ข incomprehensible variables, irrelevant variables โ€ข different misclassification costs โ€ข many ways of committing fraud โ€ข unbalanced class sizes (c. 0.1% transactions fraudulent) โ€ข delay in labelling โ€ข mislabelled classes โ€ข random transaction arrival times โ€ข (reactive) population drift VI. Conclusions
  • 75. Bigdata Intelligence PlatformBICube 75 Agent TimeReducer Daily Weekly Monthly TwoMonth ThreeMonth FourMonth FiveMonth SixMonth SevenMonth EightMonth NineMonth TenMonth TwoWeek ThreeWeek TwoDay ThreeDay FourDay FiveDay SixDay FourWeek MetaParser TimeStore Long Transaction Memory BlackList SeccueCode POSEntry VI. Conclusions
  • 77. Bigdata Intelligence PlatformBICube 77 Thank you ! ๊ฐ์‚ฌํ•ฉ๋‹ˆ๋‹ค. Questions? daengky@naver.com