Exceptions & Risk Acceptance
Monitoring exceptions are intentional gaps or deviations from your standard monitoring and alerting baseline. This guide stores considerations on how to make it clear where coverage is missing or reduced, why, and what compensating controls are in place so risk remains understood and managed.
When to Use Monitoring Exceptions
Typical reasons to record a monitoring exception include:
- Technical limitations – a system cannot be instrumented with current tooling (for example, vendor‑managed appliances, legacy OS versions, unsupported protocols).
- Transition periods – an environment is being migrated, replaced, or decommissioned, and you decide not to invest in full monitoring.
- Business constraints – regulatory, contractual, or change‑management rules limit what monitoring agents or network paths can be used.
- Cost or performance trade‑offs – collecting certain high‑cardinality metrics everywhere would be prohibitively expensive; you limit the scope to key systems.
Exceptions should be rare, explicitly justified, and time‑bound rather than permanent.
What a Monitoring Exception Should Capture
Whether you store exceptions in any system of record, each exception should capture at least:
- Scope – which accounts, regions, environments, applications, services, or specific CIs are covered by the exception. Tie this back to CMDB records where possible.
- Baseline being waived – what “normal” expectation is not being met (for example, “all production web frontends must have host‑level monitoring and golden‑signal alerts”).
- Reason – why the baseline cannot be met (for example, unsupported OS, vendor constraints, in‑flight migration, resource is being retired).
- Compensating controls – additional mitigations in place, such as stricter access controls, network segmentation, extra logging, or manual checks.
- Owner – accountable team or individual responsible for the exception.
- Expiry or review date – when the exception must be revisited.
In Cloudaware, you typically link monitoring exceptions to CMDB objects and, where applicable, to compliance or vulnerability exceptions so dashboards and reports can distinguish known, accepted gaps from unexpected blind spots.
Monitoring Exceptions vs. Silences and Maintenance
Monitoring exceptions are different from operational tools such as maintenance windows and silences:
- Use maintenance windows and silences (see Maintenance & Silences) to handle short‑term noise during planned work or while tuning policies.
- Use exceptions to document longer‑lived gaps in monitoring coverage or alerting where you are consciously accepting risk.
In many cases, an exception will also drive changes to alert policies, routes, or dashboards so that signals from out‑of‑scope systems are either not generated or are clearly labeled.
Managing Monitoring Exceptions Over Time
- Review regularly – schedule periodic reviews (for example, quarterly) to confirm whether each exception is still justified.
- Close when resolved – retire exceptions once systems are decommissioned, upgraded, or brought into full monitoring scope.
- Report on exceptions – include exception counts, aging, and affected services in executive or compliance dashboards so stakeholders see where monitoring coverage is intentionally limited.
Align monitoring exceptions with your organization’s broader risk acceptance and change management processes so that they are approved, traceable, and auditable alongside other exceptions.