Last Updated
：2025/11/29
smudge attack
IPA(Pronunciation)
Noun
Japanese Meaning
タッチスクリーンデバイスの画面に、ユーザーの指から残された油性のしみ（指紋や油分のにじみ）を解析してパスワードを割り出す攻撃手法。
（ plural ）
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(computer security) 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.
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smudge attack
Security researchers demonstrated how a smudge attack could reveal a user's PIN on a touchscreen phone.
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Security researchers demonstrated how a smudge attack could reveal a user's PIN on a touchscreen phone.
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