Remember SID
Full name: Security Identifier
Memory aid: Security principals have an ID.
Renaming an account does not necessarily change its SID.
Study area: Identity & access · Batch 8
Relevant study for: CompTIA Security+ SY0-701 · ISC2 CISSP 2024 outline · ISC2 SSCP · Security, Compliance, and Identity Fundamentals SC-900 · Identity and Access Administrator SC-300 · ISC2 CC · Cybersecurity Architect SC-100
Practice with exam flashcards →Cybersecurity & Identity / Knowledge library
SID — Security Identifier
Identifies Windows security principals and related security entities.
Why learn SID — Security Identifier?
Identifies Windows security principals and related security entities.
Where it came from
Renaming an account does not necessarily change its SID.
- Memory aid (a learning cue, not the expansion): Security principals have an ID.
Build your understanding
Work through these exercises in order. Try the task before opening a reference.
- Without looking, expand SID: Security Identifier.
- Recall this memory aid: Security principals have an ID.
- Explain the practical use: Identifies Windows security principals and related security entities.
- Explain this distinction: Renaming an account does not necessarily change its SID.
- Identify SID in a device specification, architecture diagram, or system inventory.
Documentation and sources
- Microsoft Windows authorization documentation (learn.microsoft.com)