| Severity | Meaning |
|---|---|
| SEV1 / P1 | Total outage or major customer impact. All hands. Executive comms. |
| SEV2 / P2 | Partial outage, degraded service. Active investigation, urgent. |
| SEV3 / P3 | Minor impact, workaround exists. Investigate during business hours. |
| SEV4 / P4 | Issue with low/no customer impact. Tracked, fixed in normal sprint. |
Different companies use different numbering — some count up (SEV1 worst), some count down. Confirm during onboarding.