[{"data":1,"prerenderedAt":83},["ShallowReactive",2],{"term-t\u002Ftwo-factor-authentication":3,"related-t\u002Ftwo-factor-authentication":62},{"id":4,"title":5,"acronym":6,"body":7,"category":40,"description":41,"difficulty":42,"extension":43,"letter":44,"meta":45,"navigation":46,"path":47,"related":48,"seo":55,"sitemap":56,"stem":59,"subcategory":60,"__hash__":61},"terms\u002Fterms\u002Ft\u002Ftwo-factor-authentication.md","Two-Factor Authentication","2FA",{"type":8,"value":9,"toc":33},"minimark",[10,15,19,23,26,30],[11,12,14],"h2",{"id":13},"eli5-the-vibe-check","ELI5 — The Vibe Check",[16,17,18],"p",{},"2FA means you need two things to log in: something you know (password) and something you have (your phone). Even if a hacker steals your password, they can't log in without your phone. It's the security equivalent of needing both a key and a fingerprint to open a door.",[11,20,22],{"id":21},"real-talk","Real Talk",[16,24,25],{},"Two-Factor Authentication (2FA) requires users to provide two distinct authentication factors: typically knowledge (password), possession (authenticator app, hardware key), or inherence (biometric). It dramatically reduces account takeover risk even when passwords are compromised.",[11,27,29],{"id":28},"when-youll-hear-this","When You'll Hear This",[16,31,32],{},"\"Enable 2FA on all admin accounts immediately.\" \u002F \"The attacker had the password but was blocked by 2FA.\"",{"title":34,"searchDepth":35,"depth":35,"links":36},"",2,[37,38,39],{"id":13,"depth":35,"text":14},{"id":21,"depth":35,"text":22},{"id":28,"depth":35,"text":29},"security","2FA means you need two things to log in: something you know (password) and something you have (your phone).","beginner","md","t",{},true,"\u002Fterms\u002Ft\u002Ftwo-factor-authentication",[49,50,51,52,53,54],"MFA","TOTP","Biometric","Authentication","Phishing","Password Manager",{"title":5,"description":41},{"changefreq":57,"priority":58},"weekly",0.7,"terms\u002Ft\u002Ftwo-factor-authentication",null,"C8_7tv15Nz4ZFt0caQKhAeAQRNAG23hnnFD9eBC7kyE",[63,67,70,73,76,79],{"title":52,"path":64,"acronym":65,"category":40,"difficulty":42,"description":66},"\u002Fterms\u002Fa\u002Fauthentication","AuthN","Authentication is proving you are who you say you are.",{"title":51,"path":68,"acronym":60,"category":40,"difficulty":42,"description":69},"\u002Fterms\u002Fb\u002Fbiometric","Biometric authentication uses your body as your password — fingerprint, face, iris scan.",{"title":49,"path":71,"acronym":49,"category":40,"difficulty":42,"description":72},"\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":54,"path":74,"acronym":60,"category":40,"difficulty":42,"description":75},"\u002Fterms\u002Fp\u002Fpassword-manager","A password manager remembers all your passwords so you don't have to reuse the same one everywhere.",{"title":53,"path":77,"acronym":60,"category":40,"difficulty":42,"description":78},"\u002Fterms\u002Fp\u002Fphishing","Phishing is when hackers pretend to be someone you trust — your bank, your boss, Google — to trick you into giving up your password or clicking a bad link.",{"title":50,"path":80,"acronym":50,"category":40,"difficulty":81,"description":82},"\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.",1776518320376]