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personal identification number (PIN)

Abbreviation(s) and Synonym(s):

PIN

Definition(s):

  A secret that a claimant memorizes and uses to authenticate his or her identity. PINs are generally only decimal digits.
Source(s):
CNSSI 4009-2015 FIPS 201-1
FIPS 201 under Personal Identification Number (PIN) [version unknown]

  A memorized secret typically consisting of only decimal digits.
Source(s):
NIST SP 1800-17b under Personal Identification Number
NIST SP 1800-17c under Personal Identification Number
NIST SP 800-63-3 under Personal Identification Number (PIN)

  A secret number that a cardholder memorizes and uses to authenticate his or her identity as part of multifactor authentication.
Source(s):
NIST SP 1800-12b under personal identification number

  A password consisting only of decimal digits.
Source(s):
NIST SP 800-63-2 under Personal Identification Number (PIN) [Superseded]