An organization uses a 'Defense in Depth' strategy. Which of the following represents a correct layering of controls from the perimeter inward?

Answer options:

Database Encryption -> Firewall -> MFA

Antivirus -> Firewall -> Biometric Access to Data Center

Firewall -> Intrusion Prevention System (IPS) -> Host-based Antivirus -> File Encryption

File Encryption -> Host-based Antivirus -> Firewall

How to approach this question

Visualize the path of an attacker from the internet to the data. What do they hit first?

Full Answer

C.Firewall -> Intrusion Prevention System (IPS) -> Host-based Antivirus -> File Encryption✓ Correct

Defense in Depth relies on layering controls. The typical order for a remote attack is: Network Perimeter (Firewall) -> Network Internal (IPS) -> Endpoint/Host (Antivirus/OS hardening) -> Data (Encryption).

Common mistakes

Confusing the order of network vs. host vs. data controls.

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