Intermediate Cybersecurity & Cryptography
Q70 / 100

What is DNS spoofing (cache poisoning)?

Correct! Well done.

Incorrect.

The correct answer is D) Inserting forged DNS records into a resolver's cache so it returns malicious IP addresses for legitimate domain names

D

Correct Answer

Inserting forged DNS records into a resolver's cache so it returns malicious IP addresses for legitimate domain names

Explanation

DNS cache poisoning corrupts a resolver's cache with fake records, redirecting users to attacker-controlled servers (often for phishing or malware delivery). DNSSEC mitigates this by cryptographically signing DNS responses.

Progress
70/100