To identify a subscriber in S-DEERS, which data item is used by a Trusted Agent?

• A. Social Security Number
• B. Token Serial Number
• C. EDIPI/DOD ID number
• D. Certificate Number

Answer: (C)

In S-DEERS, the subscriber is identified by the EDIPI, the DoD ID number assigned to every service member and eligible person. This unique identifier is the key to locating a person’s DEERS record across DoD systems, so a Trusted Agent can correctly pull up eligibility, benefits, and dependent information. Privacy and data integrity considerations make EDIPI the preferred identifier, rather than the Social Security Number. Token Serial Number relates to authentication hardware, not to a person’s DEERS record, and Certificate Number ties to PKI credentials rather than identity in DEERS. Therefore, the EDIPI/DOD ID number is the data item used to identify a subscriber.