smudge attack

Fetched 2026-10-26 (cache).

Datamuse reports no synonyms or antonyms for this word.

Noun

1. {{lb|en|computer security}} A [[method]] used to [[crack]] the [[password]] of a [[touchscreen]] [[device]] by [[analyse|analysing]] the [[oily]] [[smear]]s left on the device's [[screen#Noun|screen]] by the [[user]]'s [[finger#Noun|fingers]]. {{defdate|from 2010.}}

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.