Blast Radius
Blast radius is the scope of potential impact if a compromise succeeds—systems, users, data, or services affected downstream of an entry point or path step.
Blast Radius
Definition
Blast radius is the scope of potential impact if a compromise succeeds at a given point—how many systems, users, data sets, or services could be affected downstream.
In attack path analysis, blast radius helps translate structural reachability into business-meaningful prioritization.
Usage in attack path decisions
| Question | Blast radius role |
|---|---|
| Why prioritize this hop? | Large downstream impact |
| Executive briefing | Impact in business terms |
| Control investment | Reduce radius at choke points |
Related terms
- Attack Path —
KID-GLS-0011 - Security Context —
KID-GLS-0003
Related knowledge
- Attack Paths and Business Impact —
KID-CON-0046