Interesting types of Biometrics

8/16/2019 Interesting types of Biometrics

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Biometrics andBiometrics and

AuthenticationAuthentication

Shivani Kirubanandan


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Lets Defne !

“ A biometric is a A biometric is a physiological physiological oror

behavioralbehavioral characteristic of a humancharacteristic of a human

being that canbeing that can distinguishdistinguish one personone person

from another and that theoretically can befrom another and that theoretically can be

used forused for identicationidentication oror vericationverication ofof

identity.” identity.”


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Biometrics as Authentication

Authentication depends onAuthentication depends on

• What you haveWhat you have

• What you knowWhat you know• What you AR !What you AR !


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Why Biometrics

• "dentity the#ts

• Somethin$ you know can be

sto%en• &redicted or hacked

• Re%iabi%ity on manua% verifcation


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App%ication 'ate$ories

Biometric app%ications avai%ab%eBiometric app%ications avai%ab%e

today are cate$ori(ed into ) sectorstoday are cate$ori(ed into ) sectors

• &sycho%o$ica%* "ris+ ,in$erprints+ -and+&sycho%o$ica%* "ris+ ,in$erprints+ -and+

Retina% and ,ace reco$nitionRetina% and ,ace reco$nition• Behaviora%* .oice+ /ypin$ pattern+Behaviora%* .oice+ /ypin$ pattern+

Si$natureSi$nature


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,in$erprint reco$nition

• Divides print into %oops+ whor%s andarch

•'a%cu%ates minutiae points 0rid$eendin$s1

• 'omparisons

• authentication


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Fingerprint techniques

• Optical

• Capacitive

• Thermal• Ultrasonic


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Disadvanta$es

• Racia% issues

• Dirt + $rime and wounds

•&%acement o# fn$er• /oo bi$ a database to process


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-and 2eometry

• 2eometry o# users hands

• 3ore re%iab%e than fn$erprintin$

• Ba%ance in per#ormance andusabi%ity


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Retina% Scannin$

• Scans retina into database

• 4ser %ooks strai$ht into retina%

reader• Scan usin$ %ow intensity %i$ht


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Disadvanta$es

• 4ser has to %ook 5direct%y6

• Acceptabi%ity concerns

7Li$ht e8posure7 -y$iene


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,ace reco$nition

• User faces camera

• Neutral expression required

• Apt lighting and position

• Algorithms for processing

• Decision


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"ssues with ,ace Reco$nition


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"ssues

• "dentifcation across e8pression• /ou$her usabi%ity

• -i$h nvironmenta% impact


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Behaviora%

• .oice

• Si$nature

• /ypin$ pattern


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.oice Reco$nition

• Speech input7 ,re9uency

7 Duration

• :eutra% tone• 4ser #riend%y


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Disadvanta$es

• Back$round noise• Device 9ua%ity

• "%%ness + emotiona% behavior

• /ime consumin$ enro%%ment• Lar$e processin$ temp%ate


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Si$nature Reco$nition

• Signature measures (dnamic! " Speed

" #elocit

" $ressure• Captures images (static!

• %igh user acceptance


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/ypin$ &atterns

• User tping pattern

" Speed

" $ress and )elease )ate

• Unique patterns are generated

• comparisons


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4sabi%ity issues in Biometrics

• 4ser acceptabi%ity

• Know%ed$e o# techno%o$y

• ,ami%iarity with biometriccharacteristic

• 8perience with device


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4sabi%ity issues;

• nvironment o# use

• /ransaction critica%ity

• /ime consumin$ tasks


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Biometric so%utions

• ducate

• /rain

• 8p%ain "nter#aces

• 4se /rainers


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2enera% issues

• Biometric characteristics are notencrypted

• /rust on input device

• 'annot authenticate computers!

• &rivacy attack!


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'%ass task

• Se%% your biometric product'ase<

A bank needs an appropriateauthentication mechanism to a%%owremote user transactions= What kind o#mu%ti#actor system wou%d you se%%them


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Thank You!!

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Interesting types of Biometrics