The information security team does a presentation on social media and advises the participants not to provide too much personal information on social media web sites. This advice would BEST protect…

The correct answer is D. Cognitive passwords attacks. Cognitive passwords are knowledge-based authentication questions (e.g., 'What is your mother's maiden name?', 'What was your first pet?'). Attackers who mine social media can often find the answers to these questions, bypassing account security. Rainbow table attacks (A) crack…

Threats, vulnerabilities, and mitigations

Question

The information security team does a presentation on social media and advises the participants not to provide too much personal information on social media web sites. This advice would BEST protect people from which of the following?

Options

ARainbow tables attacks
BBrute force attacks
CBirthday attacks
DCognitive passwords attacks

How the community answered

(41 responses)

B
2% (1)
C
2% (1)
D
95% (39)

Explanation

Cognitive passwords are knowledge-based authentication questions (e.g., 'What is your mother's maiden name?', 'What was your first pet?'). Attackers who mine social media can often find the answers to these questions, bypassing account security. Rainbow table attacks (A) crack password hashes offline. Brute force attacks (B) systematically try all combinations. Birthday attacks (C) exploit hash collisions. None of those three rely on personal information gathered from social media, making D the best answer.

Topics

#social engineering#cognitive passwords#social media security#information disclosure

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