User identification is
|“||the process, usually through a unique character string, by which a user identifies himself to the system as a valid user.||”|
|“||[a] unique symbol or character string that is used by an Information System (IS) to uniquely identify a specific user.||”|
- This definition uses content from the Information Security Guide 2 - Glossary, which is made available under the Creative Commons Attribution License 3.0 Unported.
- Glossary of Security Terms, Definitions, and Acronyms, at 259.