Common Identifiers

Common Direct Identifiers Common Indirect Identifiers
  • Names

  • Addresses

  • Telephone numbers

  • Fax numbers

  • Email sddresses

  • Social media usernames or handles

  • URLs/IP addresses

  • Social Security numbers

  • Dates of birth

  • Dates of death

  • Student ID numbers

  • License/certificate numbers

  • Medical record numbers

  • Health plan numbers

  • Dates of service

  • Account numbers

  • Vehicle/serial/device numbers

  • Facial photographs or images

  • Biometric identifiers, including:

    • Voices and fingerprints

    • Any other unique identifying numbers, codes or characteristics

  • Gender

  • Race

  • Ethnicity

  • Religion

  • Age

  • Marital status

  • Household composition

  • Number of children

  • Place of birth

  • Education

  • Major

  • Income

  • Job title

  • Place of work

  • Medical condition

  • Dates (of graduation, arrest, marriage)

  • Uncommon characteristics

  • Direct identifiers of household members