KnowraMulti-factor authenticationLinked fromLinked fromThe 6 pages that link to Multi-factor authentication, each with the reason it gives.All 6Broader topic 1Related 2Compared with 3ImpersonationCompared with: A second proof of identity can block access even when an impersonator knows a password.Computer securityBroader topic: It makes stolen passwords alone less useful for account takeover.PhishingCompared with: It can limit account takeovers when phishing succeeds in stealing a password.Credential stuffingRelated: A second factor can block account access even when a stuffed password is correct.Brute-force attackCompared with: A guessed password alone may not grant access when another factor is required.ScamRelated: It can reduce harm when a scam succeeds in stealing a password.