ABCDEFGHIJKLMNOPQRSTUVWXYZ
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auth methodfriendlinessaccessibilityavailabilitycrack safetyphish safetydigital theft safetyphysical theft safetyobservation safetyhuman check
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sliderhighfairhighn/an/an/an/an/ahighDisclaimer: These values are the result of my own empirical analysis of the methods listed. They are not meant to depict rigorously studied assessments with wide sampling.
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captchalowfairhighn/an/an/an/an/ahigh
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grid patternfairfairhighhighbadbadhighlowhigh
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unlock patternfairfairhighhighbadbadhighfairhigh
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graphic coordinatesfairfairhighhighbadbadhighlowhigh
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graphic coordinates + shapes
fairfairhighhighbadbadhighlowhigh
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**** pinlowhighhighbadbadbadhighfairlow
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"text" pinfairhighhighbadbadbadhighlowhigh
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pin + 2ndauthlowhighhighfairbadbadhighfairlow
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picture passfairfairhighhighfairbadhighlowhigh
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picture + captcha passlowfairhighhighfairbadhighlowhigh
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**** pass wordbadhighhighlowbadbadhighfairlow
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"text" passlowhighhighlowbadbadhighlowhigh
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**** pass phraselowhighhighfairbadbadhighhighlow
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email link loopfairhighhighfairhighhighfairhighfair
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email code loopfairhighhighfairhighhighfairlowhigh
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sms code loopfairhighhighfairhighhighlowlowhigh
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mobile app push loopfairfairlowhighhighhighlowhighhigh
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reverse mobile app loophighfairlowhighhighhighlowhighhigh
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phone call looplowhighhighfairhighhighlowlowhigh
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postal looplowfairhighfairlowfairlowlowhigh
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social/federated loginhighhighhighhighfairlowlowhighfair
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pre-shared blockhighhighlowhighhighhighfairhighlow
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browser pluginhighhighlowhighhighhighfairhighlow
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handheld random generatorbadbadlowhighhighhighlowlowfair
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random generator + pinbadbadlowhighhighhighfairfairfair
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random generator applowfairfairhighhighhighfairlowlow
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audio recognitionhighfairfairhighlowfairhighlowhigh
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face recognitionhighhighfairhighlowfairhighfairhigh
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iris recognitionfairhighlowhighlowfairhighhighhigh
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fingerprinthighhighfairhighlowfairhighhighhigh
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usb keyfairhighlowhighhighhighlowhighlow
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id / image + camerahighfairfairhighbadfairlowhighhigh
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mobile app + desktop apphighhighlowhighhighhighfairhighfair
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