Social Security Numbers are unique, nine-digit numbers issued to U.S. citizens, permanent residents, and temporary (working) residents for taxation, social benefits, and other purposes.Social Security Numbers are a primary target for identity thieves. They fall into the U-M category of sensitive Private Protected Information (PPI).


  • Numbers in this format: 123-45-6789 or 123456789



Frequently Used By
  • Staff
Restrictions Key
  • Permitted
  • Not Permitted
  • Permitted with Encryption