[{"data":1,"prerenderedAt":78},["ShallowReactive",2],{"term-2\u002F2fa":3,"related-2\u002F2fa":60},{"id":4,"title":5,"acronym":5,"body":6,"category":39,"description":40,"difficulty":41,"extension":42,"letter":43,"meta":44,"navigation":45,"path":46,"related":47,"seo":53,"sitemap":54,"stem":57,"subcategory":58,"__hash__":59},"terms\u002Fterms\u002F2\u002F2fa.md","2FA",{"type":7,"value":8,"toc":32},"minimark",[9,14,18,22,25,29],[10,11,13],"h2",{"id":12},"eli5-the-vibe-check","ELI5 — The Vibe Check",[15,16,17],"p",{},"2FA is short for Two-Factor Authentication. Two locks instead of one. Password plus a code from your phone (or a hardware key). Hackers who steal just your password hit a dead end. Every important account you have should have 2FA turned on right now.",[10,19,21],{"id":20},"real-talk","Real Talk",[15,23,24],{},"2FA is a subset of MFA requiring exactly two authentication factors. The second factor is typically a TOTP code from an authenticator app (Google Authenticator, Authy), an SMS code, a push notification, or a hardware security key (YubiKey). SMS-based 2FA is weaker due to SIM-swapping attacks.",[10,26,28],{"id":27},"when-youll-hear-this","When You'll Hear This",[15,30,31],{},"\"We enforced 2FA for all users after the breach.\" \u002F \"The account was compromised because 2FA wasn't enabled.\"",{"title":33,"searchDepth":34,"depth":34,"links":35},"",2,[36,37,38],{"id":12,"depth":34,"text":13},{"id":20,"depth":34,"text":21},{"id":27,"depth":34,"text":28},"security","2FA is short for Two-Factor Authentication. Two locks instead of one. Password plus a code from your phone (or a hardware key).","beginner","md","2",{},true,"\u002Fterms\u002F2\u002F2fa",[48,49,50,51,52],"Two-Factor Authentication","MFA","TOTP","Authentication","Biometric",{"title":5,"description":40},{"changefreq":55,"priority":56},"weekly",0.7,"terms\u002F2\u002F2fa",null,"LjyCOefcnUnutEfgTgyW6czBuQv9nJHlgjsDNcMkyAE",[61,65,68,71,75],{"title":51,"path":62,"acronym":63,"category":39,"difficulty":41,"description":64},"\u002Fterms\u002Fa\u002Fauthentication","AuthN","Authentication is proving you are who you say you are.",{"title":52,"path":66,"acronym":58,"category":39,"difficulty":41,"description":67},"\u002Fterms\u002Fb\u002Fbiometric","Biometric authentication uses your body as your password — fingerprint, face, iris scan.",{"title":49,"path":69,"acronym":49,"category":39,"difficulty":41,"description":70},"\u002Fterms\u002Fm\u002Fmfa","MFA stands for Multi-Factor Authentication. It's the umbrella term for requiring multiple proofs of identity. 2FA is MFA with exactly two factors.",{"title":50,"path":72,"acronym":50,"category":39,"difficulty":73,"description":74},"\u002Fterms\u002Ft\u002Ftotp","intermediate","TOTP (Time-based One-Time Password) is the 6-digit code that changes every 30 seconds in apps like Google Authenticator.",{"title":48,"path":76,"acronym":5,"category":39,"difficulty":41,"description":77},"\u002Fterms\u002Ft\u002Ftwo-factor-authentication","2FA means you need two things to log in: something you know (password) and something you have (your phone).",1776518251671]