International Mobile Subscriber Identity (IMSI)

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Abbreviation(s) and Synonym(s):

Definition(s):

A unique number associated with every GSM mobile phone subscriber, which is maintained on a (U)SIM.
Source(s):
NIST SP 800-101 Rev. 1

a unique number associated with every GSM mobile phone user.
Source(s):
NISTIR 7250 under International Mobile Subscriber Identity
NISTIR 7387 under International Mobile Subscriber Identity

Glossary Comments

Comments about specific definitions should be sent to the authors of the linked Source publication. For NIST publications, an email is usually found within the document.

Comments about the glossary's presentation and functionality should be sent to secglossary@nist.gov.

See NISTIR 7298 Rev. 3 for additional details.

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Information Technology Laboratory

Computer Security Resource Center

Computer Security Resource Center

International Mobile Subscriber Identity (IMSI)

Glossary Comments