u2f
Fetched 2026-10-26 (cache).
Datamuse reports no synonyms or antonyms for this word.
Noun
- {{lb|en|computer security}} {{initialism of|en|w:Universal 2nd Factor}}, a standard to strengthen and simplify two-factor authentication ([[2FA]]).
Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.