Which countermeasure can help in reducing the risk of tailgating?

Question

Options

• AImplementing biometric security measures
• BConducting regular security audits
• CUsing complex passwords
• DEnforcing strict login timeouts

• A
  89% (31)
• B
  3% (1)
• C
  6% (2)
• D
  3% (1)

Explanation

Biometric security measures (A) directly counter tailgating by requiring each individual to authenticate physically - fingerprint, retina scan, or facial recognition - before a door or access point opens, preventing an unauthorized person from slipping in behind someone else. Complex passwords (C) and login timeouts (D) address digital/logical access control, not physical entry, so they do nothing to stop someone from walking through a door. Regular security audits (B) can identify vulnerabilities but are a detective/administrative control, not a preventive physical barrier that stops tailgating in the moment.

Memory tip: Think "tailgating = body follows body." The countermeasure must control physical bodies, not passwords or screens - biometrics is the only choice that gates the body itself.

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