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Smudge attack

A smudge attack is an information extraction attack that discerns the password input of a touchscreen device such as a smartphone or tablet computer from fingerprint smudges. A team of researchers at the University of Pennsylvania were the first to investigate this type of attack in 2010. An attack occurs when an unauthorized user is in possession or is…

Art, Countermeasures & Overview

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Overview

Background

Dangers

Methods and techniques

Types of vulnerable security methods

Countermeasures

Advanced semantic analysis

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Map overview Semantic statistics

Smudge attack

Nodes72
Edges71
Triples127
Avg. degree1.97
Density0.027778
Components1

How this topic connects Entity context

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Smudge attack

Top relations

related to Dangers · 15
Smudge attack → Android Lock Patterns, ATMs, Boosting, Cha, Facebook, Guessing Attack Performance, In, Interpreting, PIN, PINs, Smudge, Smudge Attacks, The, They, Those
related to background · 13
Smudge attack → Android, Engadget, For, Offensive Technologies, Once, PC Pro, Pennsylvania, PIN, The, University, USENIX Workshop, Whisper Systems, ZDNet
related to Smudge-supported pattern guessing (smug) · 12
Smudge attack → An, Canny, First, Hough, Lastly, Markov, Next, Possible, Smug, The, These, Using
related to Biometrics · 10
Smudge attack → Another, Biometrics, NSTC, One, PINs, Research, Some, Technology Council’s Subcommittee, This, US National Science
related to 2 x 2 and 1 x 2 Knock Code · 9
Smudge attack → Android Pattern Lock, Flexible, In, Knock Code, LG Electronics, The, There, These, This
related to Strong passwords · 8
Smudge attack → Although, Avoid, Change, Passwords, Random, Some, This, Use
related to ClickPattern · 7
Smudge attack → Android, ClickPattern, Doing, Grid, If, On, Undo Button
related to Personal Identification Numbers (PINs) · 6
Smudge attack → ATMs, If, In, PIN, PINs, They
related to SmudgeSafe · 6
Smudge attack → In, PINs, SmudgeSafe, SmudgeSafe's, The, To
related to TinyLock · 6
Smudge attack → Also, However, Kwon, The, This, TinyLock

Important terminology Word statistics

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Important terminology

user passwords authentication smudge pattern smudges fingerprint attacks used password users screen device attackers method image also attack fingerprints biometrics

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Smudge attackis ainformation extraction attack that discerns the password input of a touchscreen device such as a smartphone or tablet computer from fingerprint smudges0.90text
a smartphone or tablet computer from fingerprint smudgesinstance ofA smudge attack is an information extraction attack that discerns the password input of a touchscreen device0.80text
dirt or outside skin productsinstance ofand extrinsic contaminants0.80text
Android Patternsinstance ofSmudge attacks can be performed on various smart device locking methods0.80text
PINsinstance ofSmudge attacks can be performed on various smart device locking methods0.80text
and text-based passwordsinstance ofSmudge attacks can be performed on various smart device locking methods0.80text
containing dictionary wordsinstance ofof them had some sort of structural similarity0.80text
being short.Draw-a-Secretinstance ofof them had some sort of structural similarity0.80text
being shortinstance ofof them had some sort of structural similarity0.80text
Android Face Unlockinstance ofCountermeasuresPhysiological biometrics0.80text
iPhone Touch IDinstance ofCountermeasuresPhysiological biometrics0.80text
Face IDinstance ofCountermeasuresPhysiological biometrics0.80text

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