outsider
A user (usually a person) that accesses a system from a position that is outside the system's security perimeter. (Compare: authorized user, insider, unauthorized user.)
Senses
(I)
A user (usually a person) that accesses a system from a position that is outside the system's security perimeter. (Compare: authorized user, insider, unauthorized user.)
Tutorial: The actions performed by an outsider in accessing the system may be either authorized or unauthorized; i.e., an outsider may act either as an authorized user or as an unauthorized user.
References
- IETF RFC 4949 (Internet Security Glossary)Jan 06, 2026RFC 4949 — Internet Security Glossary (Version 2)https://www.rfc-editor.org/rfc/rfc4949.txtRFC 4949 is published by the IETF Trust and marked as "Distribution of this memo is unlimited". Verify IETF Trust copyright/licensing terms for reuse.Source: IETF RFC 4949 (rfc-editor.org).