CSSLP · Question #202
Which of the following is the most secure method of authentication?
The correct answer is A. Biometrics. Biometrics, such as fingerprint or facial recognition, is generally considered the most secure authentication method because it verifies a user's unique physical or behavioral characteristics, making it difficult to forge or steal compared to traditional methods. While no method
Question
Which of the following is the most secure method of authentication?
Options
- ABiometrics
- BUsername and password
- CAnonymous
- DSmart card
How the community answered
(25 responses)- A88% (22)
- B4% (1)
- D8% (2)
Why each option
Biometrics, such as fingerprint or facial recognition, is generally considered the most secure authentication method because it verifies a user's unique physical or behavioral characteristics, making it difficult to forge or steal compared to traditional methods. While no method is foolproof, biometrics offers a high level of assurance by relying on inherent user attributes.
Biometrics, which relies on unique physical or behavioral traits (e.g., fingerprints, iris scans, facial recognition), is typically considered the most secure authentication method because these characteristics are difficult to replicate, steal, or forget compared to passwords or tokens.
Username and password is a common but less secure method as passwords can be guessed, stolen, or cracked.
Anonymous authentication offers no security as it verifies no identity, making it the least secure option.
Smart cards provide strong authentication as a "something you have" factor, but they can still be lost or stolen, and often require a PIN ("something you know"), making them generally less inherently unique and unforgeable than biometric data.
Concept tested: Authentication methods and security levels
Source: https://pages.nist.gov/800-63-3/sp800-63b.html
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