1. What is a botnet?
How do they work?
Solution
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2. A botnet is a collection of infected computers
that are remotely controlled by a hacker
Once a computer is infected with malicious
software (bot), the hacker can control the
computer remotely over the Internet. From
then on, the computer is a zombie, doing the
bidding of the hacker, although the user is
completely unaware. Collectively, such
computers are called a botnet
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6. 4.Repeat these process and
Hacker have bot army to
Control from a single point
hacker
Victims, zombies
C&C server
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7. Keep up-to-date with security patches Hackers
frequently exploit vulnerabilities in operating systems and
programs
Use firewalls A network firewall is installed at your
organization’s boundary and admits only authorized types
of traffic
Don’t follow links in unexpected emails Links in
unexpected emails can take you to bogus websites
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