A security administrator has found indications of dictionary attacks against the company's external-facing portal. Which of the following should be implemented to best mitigate the password attacks?

The correct answer is D. Lockout policy. Dictionary attacks involve an attacker attempting to guess passwords by using a list of common passwords. Implementing a lockout policy is effective because it limits the number of login attempts, thereby hindering the attacker's ability to repeatedly attempt different…

Submitted by neha2k· Mar 6, 2026Security Operations

Question

Options

AMultifactor authentication
BPassword complexity
CWeb application firewall
DLockout policy

How the community answered

(29 responses)

A
17% (5)
B
3% (1)
C
7% (2)
D
72% (21)

Explanation

Dictionary attacks involve an attacker attempting to guess passwords by using a list of common passwords. Implementing a lockout policy is effective because it limits the number of login attempts, thereby hindering the attacker's ability to repeatedly attempt different passwords. Lockout policies are standard in cybersecurity practices to prevent brute-force and dictionary attacks by temporarily disabling an account after a certain number of failed login attempts.

Topics

#dictionary attack#lockout policy#password security#authentication

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