Which phase of the Cyber Kill Chain is most effectively mitigated by implementing strict egress filtering on your firewall?
Trap 1: Installation.
This refers to the persistence mechanism on the host.
Trap 2: Reconnaissance.
This is an external activity before the attack begins.
Trap 3: Exploitation.
This happens on the target host.
- A
Installation.
Why wrong: This refers to the persistence mechanism on the host.
- B
Command and Control (C2).
C2 requires outbound communication to an attacker-controlled server.
- C
Reconnaissance.
Why wrong: This is an external activity before the attack begins.
- D
Exploitation.
Why wrong: This happens on the target host.