Multi-Factor Access Control Authentication Guide

By Brian Rhodes, Published Nov 15, 2021, 10:15am EST (Info+)

Unauthorized users gaining access with someone else's credentials is one of the most fundamental risks of access. Multi-factor aims to mitigate that.

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Multi-factor authentication means that more than one credential must be presented in order to gain access. However, the credentials are 'layered' in a way that they complement each other and reduce the probability of unauthorized individuals gaining access.

In this guide, we explain the concept and the elements involved, including:

  • What Does Multi-Factor Authentication Mean?
  • What Benefits Multi-Factor Offers
  • The Four Factor Types Available
  • Which Factors Are Common For Access Control
  • Why The Biometric Factor On Mobile Is Not A True Multi-Factor Method
  • What Drawbacks Multi-Factor Authentication Have
  • Why COVID has Negatively Impacted Fingerprint Factors
  • Why Single Factor Authentication Is Still Common

Four ************ *******

*** ********** ************** '*******' ****** *** be ** *** **** ***** *** are ******* ********** ******* ***** ** credentials. *** '****** ******' *** ******** cited **:

  • ********* *** **** ***: * **********/********** ******* **************** ** the ****. ********* ** ****** ******* badge, *****, ** ***. **** *** also ******* * ********** ***, ********** ID, ** ********.
  • ********* *** **** *****: ********* * **** ** ******** kept ******* ** *** ****. ********* a *** ******, *** **** ******* 'Security *********' ** '**** * ****** Security *****' *************.
  • ********* *** **** **: ********* ******** **** *** **** is **** ** *******. ********* ****** or **** ****** *** ****, *** other ******** ******** ********* **** ***********, heartbeats, ******/**** *****, *** **** ****.
  • ******* ******* ******** *** ****: ***** ******* **********, ******* ***** positively *** *** ******* *** *** user. **** ***** ** * ****** guard ** **** * ************ **** grants ****** ***** ** ***********.

Multiple ******* ********** ************

**** ** ***** ** ******** ******, credentials **** * ***** ****. **** securing *********** *** ******** **** *** right ****** *** ***** ****, ******** factors *** ****** **** ** *** separate ******* *** ****.

* ******** ******* ** **** ** mag-stripe ***** *** **** **** *** automatic ****** ********. **** **********, **** used *****, ** **** *** ****** defeated ** ****** *** ********* ***.

*******, **** ** ******** ** *** support ********* ******** *****, ***** *** card ** ********* ******** **** * mandatory ***.

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** *** ****, *** **** *** cards ******** ** ** ****** *** PIN ******* *** ******** ** ** entered. **** ***** ************ ****** ******* stronger ** ********* **** **** ******** layers ** **************.

Multi-Factor *******

** * **** ***** ****** ******** proximity *****, *********** *****, *** ****** codes *** '*****-******' *******, *** ** more *********** ***** ** ******** *** entry, *** **** ********* ********** ****** was ********** *** *** **** ** present ** *** ****.

*** ***** ***** ***** ** ******* of * ******* '***** ******' ****** device:

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*** ******* **** ******* ******* ****. For *******, **** *****-****** ****** ******** PINs ***/** ********* *********** **************:

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**** ****** ******** ********* ****:

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Different *****

*** ****** ****** ** ******* ******* vary ********* ** ***-**** ******** ********. Users ****** ********* ***** *** ******** use ** **** *********** *** ******* two *******, ***** ****-******** ************* *** require ***** ** ****. ** ****** and ******* ***** ***** *****.

Two *******

**** ***** * *********** ** '********* *** **** ***' *** '********* ** *****', **** ** ****** ******* ****** card *** ************ *** ******. **** if *** **** ***** *** ****, an ************ ****** ****** *** ** to **** ****** ****** **** **** know * ****, ***** ** ***** only ** *** ****.

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******* *********** ********** ****** *** **** difficult, ** ** **** ****** ** see *********** ** ***** ************* ******* used **'********* *** **** **' ** *** ****** **************.

Three *******

**** ******** ******** ** **** ****** level ** **********, ***** ******* *** required. **** ***** **** ** * combination ** **********, *** *****, *** access ******* ***********, *** ****** ************* more ****** ** ********* *** ****** than ****** '****** ******' **************.

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** * ****** ** **** **** and **** ** *** **** ***** of **************, ** ** **** ** critical **************, ********, *** ******** ********** but *** ********* *** ********** ***-*****.

Guard/Verification ******

*** ******* ***** ** ************** ** often **** ** ******** *** ***** sensitive *********, ***** ****** *********** *** used ** *********** **** *** ***** factors. ******* **** ******* ***** *** most **** *** ** *** **** labor-intensive, ** ********* ** *** ******** unless *** ******** **** ** **** high *** ******** ******** ** *********.

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Mobile ****** *******

** ****** ******-***** *********** **** ** use, **** ******* ***** *** ********* biometric **** ** *** ********** ****** as * ******** ****** *** *** physical ****** **********.

********* ** ***** ** *** ** install * ****** ********** ** *** phone, ** **** ** ***** ******** as ********* ** * ******* **** via **** ** *********** *********. ** this ***, ****** ********** ******* ***** count *** ******'* ********* ****** ** an ************** ******.

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*******, ***** ********* ******* *** *** always **** ** ** **** ** the ****** ******** ***** ** ***** to ** **** ** ****** ***********. Indeed, **** *** ***** *********** ******* ********* ** **** ********* ***** * single ******, *** **** ****** ****** even **** * ****** ** * pocket *** ***** ******.

*** *********** ** *** *** ******'* biometric ****** ***** ** ****** ****** by ****** ********** **** *** ** security ************* ** *** ******, *** it ***** ** *** *********** ** used ******* ****** ** ** * reliable ************** ******.

*******Concerns **** ******* **********

** *** **** ** *** ********, germ ********** **** **** * *********** issue *** **** ******* - ************ contact *********** *******, ** ** ********* here -**** *********** **** *********** *******?

**** **** ******* ********* ****** ******* recommending ******** *** ****** ***** ***** use, **** ** *********** *** **** users *** **** *** ***** **** to ******* **** ***** **** ************** factors **** ******* ************ ** ****.

Multi-Factor ************** *********

******* ******** ****** ************ ** *****, Multi-Factor ************** *** *********, *** **** significant ******** ***** *** ********** **** needed ** ******/*** ********** *******. ********** for ******** ***** **** ***** ******* are ******, ****** **** **** ** present **** *** ********** ****** ***** add **** **** * *** ******* for **** ****, *********** ****** ** to **** ******* **** *** ****** of *** *****.

******* ********* ****** ** *** ********* price ** ******** ****** ******* **** simple, ****** ****** ***** **** *********** readers.

* *********** *****-****** ****** ** ***** $500 - $*,*** **** **** * single-factor **** ******* $*** - $***. Over *** ****** ** **** * small ****** **** * - * doors, ***** *****-****** ******* *** ******** costs ** *********.

Single ****** ***** ******

* ******** ** ********** ****** ******* systems *** '****** ******' **************, *** this ** ********** *** *** *********** security ** **** ***-*****. *** ****** credential **** ** **** ** **** to *** ******** ** *** ******, and *** ****** ******** ** ******** for **** ******.

*** *********** *** ******* *** **** common '****** ******' **********. ** ***** verification ** *** ****** ** ******** once *** *** *** **** ******. While ********* ******** ** ****-**** ********** access ***********, ********** **** ***** ******* an ******** '***** *****' ** ******** for **** ******** ** **********.

*** ***** *******, ***** ******** ******* to ****** ******** *** ** **** to *******.

******* ******* ********** ***** ****** *** more *********, *** ****** ****** ************ staff ** ******** *** ****** ********* without ******** *************, ****** ****** ******* the ******** ****** ****. *******, **** risks **********, ***** ** ** ********** motivation ** ********** ********.

[****: **** ***** *** ********** ******* in ****, *** ************* ******* ** 2021.]

Comments (4)

****** ***** *** ****** ***** ******** the ********!

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****** ** *** ****** **** ****** introduced ** *** ****** **** ****** the ***** ******** *********** ************* ********!

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**** ***********

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** **** ****** ******** *** *** find ******* **** ** ************ *** Predictive ** ****, * ****** ******* Euklis **********.

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