smudge attack

名词 n.
中文释义
英 /smʌdʒ əˈtæk/    美 /smʌdʒ əˈtæk/

英文释义

名词 n.
  1. A method used to crack the password of a touchscreen device by analysing the oily smears left on the device's screen by the user's fingers.
    — Touch screens are touched, so oily residues, or smudges, remain on the screen as a side effect. Latent smudges may be usable to infer recently and frequently touched areas of the screen – a form of information leakage. This paper explores the feasibility of smudge attacks, where an attacker, by inspection of smudges, attempts to extract sensitive information about recent user input.

词形变化

smudge attacks plural

词源

smudge + attack; coined in 2010 by researchers from the University of Pennsylvania’s Department of Computer and Information Science in Philadelphia, Pennsylvania, USA: see the quotation.
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