Explaining what's a firewall and illustrating Network Security Threat case. Download slides: https://www.infodiagram.com/diagrams/it-icons-cloud-software-mobile-network-devices-flat-ppt-clipart.html?cp=camp7 Case study schema of malicious content (malware, DDoS attacks, unauthorized access...) entering the company network. How firewall works in the context of internal company network with wifi access and network server. Example drawing of security breach by bringing in insecure laptop to office. Demonstration of presentation resources for teaching IT concepts and creating explanatory presentation animations.

1. Firewall & Network
Security Threats
Explaining IT

2. Are you learning or
teaching IT concepts?

3. Explain them visually.
Use DIY presentation illustrations,
with icons and simple diagrams
Some examples…
Are you learning or
teaching IT concepts?

4. Network architecture – Security threat

5. Network architecture – Security threat
My company’s network
Stationary
computers,
servers
Company
network
(Intranet)
Laptops
inside the
office
WiFi
router
Laptops
outside
the office

6. Network architecture – Security threat
Customers
and services
from outside
world
My company’s network

7. Network architecture – Security threat
Customers
and services
from outside
world
My company’s network
Firewall prevents
attacks and filters out
malicious content

8. Network architecture – Security threat
Customers
and services
from outside
world
My company’s network
Threat
source
Hidden
malware
Firewall prevents
attacks and filters out
malicious content

9. Network architecture – Security threat
Customers
and services
from outside
world
My company’s network
Threat
source
Hidden
malware
Firewall prevents
attacks and filters out
malicious content
!! An infected device is brought to office behind
the firewall !!

10. Firewall – a network security system
monitoring network traffic between
internal (more trusted) and
external network
(less trusted e.g. Internet)
Firewall

11. Explaining IT visually can be fun & easy.

12. Explaining IT visually can be fun & easy.
Use simple diagram, illustrate with icon
symbols, their colors and location.

13. Download these slides
at infoDiagram.com
(click to open)
Explaining IT visually can be fun & easy.
Use simple diagram, illustrate with icon
symbols, their colors and location.

14. For more presentations,
hit FOLLOW on slideshare.net/infodiagramFollow
Download these slides
at infoDiagram.com
(click to open)