1. How Corporate Firewalls Work
What's Firewall
Case without Firewall
advantage and disadvantage
Working of Firewall
Reference literature

2. What's Firewall
● Firewalls are
frequently used to
prevent unauthorized
Internet users from
accessing private
networks connected
to the Internet,
especially intranets.

3. Case without Firewall
● With no firewall,
databases are
exposed to hackers,
putting corporate data
at risk
● There are nearly half
a million database
servers exposed on
the Internet, without
firewall protection.