The label or score on an alert (Critical, High, 9.8) does not decide what we fix first.
Q1Is someone actually using this attack right now? (CISA KEV list, vendor says so, IT provider says so, or EPSS 0.9+)
Q2Can a stranger on the internet reach the thing with the flaw?
Yes to both: P1 fix within 24 hours.
| System | What breaks if it's down or stolen | Owner | Fixes it |
|---|---|---|---|
The order: Box 1 is always P1. Otherwise Box 2 is P2, Box 3 is P3, Box 4 is P4, and a top system moves a problem up one level. Work P1 first. Inside a level, a top system first, then the score.
| P1 | Box 1 | 24 hours |
| P1 | Box 2 on a top system | 72 hours |
| P2 | Other Box 2; Box 3 on a top system | 30 days |
| P3 | Other Box 3; Box 4 on a top system | 90 days |
| P4 | Other Box 4 | 180 days |
Fixed means updated, setting changed, taken off the internet, or removed. A barrier in front can lower a problem one level, never out of Box 1.
| What isn't being fixed | Why | What we're doing instead | Signed | Expires |
|---|---|---|---|---|