Remember SLE
Full name: Single Loss Expectancy
Memory aid: Single Loss is one event's bill.
Inputs are estimates and should have stated assumptions.
Study area: MIS, risk & continuity · Batch 3
Relevant study for: CompTIA Security+ SY0-701 · ISC2 CISSP 2024 outline · CompTIA SecurityX · ISC2 CC
Practice with exam flashcards →MIS, Risk & Continuity / Knowledge library
SLE — Single Loss Expectancy
Estimates loss from one event as asset value times exposure factor.
Why learn SLE — Single Loss Expectancy?
Estimates loss from one event as asset value times exposure factor.
Where it came from
Inputs are estimates and should have stated assumptions.
- Memory aid (a learning cue, not the expansion): Single Loss is one event's bill.
Build your understanding
Work through these exercises in order. Try the task before opening a reference.
- Without looking, expand SLE: Single Loss Expectancy.
- Recall this memory aid: Single Loss is one event's bill.
- Explain the practical use: Estimates loss from one event as asset value times exposure factor.
- Explain this distinction: Inputs are estimates and should have stated assumptions.
- Identify SLE in a device specification, architecture diagram, or system inventory.
Documentation and sources
- NIST cybersecurity glossary (csrc.nist.gov)