Continuous Controls Monitoring
Periodic testing looks at a handful of cases months after the fact. Continuous controls monitoring tests every case as it completes, so a failing control surfaces while the work can still be corrected — and the annual audit becomes a review of records that already exist.
- Category
- Solutions
- Pillar
- Assurance
- Format
- PDF · 10 pages
- Licence
- Free for internal use
- Full population coverage
- Exceptions in hours, not quarters
- Lower assurance cost
Why sampling stopped being enough
A sample of twenty-five cases from a population of forty thousand tells you very little about the other thirty-nine thousand, nine hundred and seventy-five. It was a reasonable compromise when testing was manual; it is hard to defend when the event data is already there.
Continuous monitoring inverts the economics. The cost of testing one case and the cost of testing every case are almost identical once the rule is written, so coverage stops being a budget decision.
- Every completed case is tested, not a sample drawn from it.
- Findings are dated to the day the breach happened, not the quarter it was found.
- Assurance effort moves from gathering evidence to investigating exceptions.
What you need before you start
Three things make a control monitorable: an event that proves the step occurred, a threshold that can be measured, and a person accountable for the outcome. Controls missing any of the three are recorded as gaps rather than quietly skipped.
Most organisations find that around two thirds of their control set is already monitorable from existing system events, and the remaining third needs one or two new events captured at source.
- A case reference, an activity name, and a timestamp for every step.
- A measurable threshold — time, value, count, or sequence.
- A named owner who receives the exception and can act on it.
Handling exceptions without drowning the team
The first week of monitoring usually produces more exceptions than anyone expected, because the true failure rate was never visible. The answer is not to weaken the rule but to triage: group exceptions by cause, fix the systemic ones, and route the rest.
Each exception carries the case, the rule, the threshold breached, and the evidence, so an owner can judge it in a minute rather than reconstructing what happened.
- Run in observation mode first to establish the real baseline.
- Cluster exceptions by root cause before assigning individual owners.
- Close the loop: every exception ends in accepted, corrected, or rule changed.
What the audit looks like afterwards
When controls are monitored continuously, the audit conversation changes from "show me your evidence" to "show me your exceptions and what you did about them". The records already exist, dated and attributable.
Internal audit can re-run the same tests independently, which is a stronger assurance position than reviewing a pack the business assembled about itself.
- Evidence is generated as a by-product of the work, not compiled afterwards.
- Auditors can re-run the tests themselves over the same period.
- Control failures show a trend line, so improvement is demonstrable.
How you may use this material
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- Guidance, not assurance. This material supports your own judgement. It does not certify that a process is compliant, lawful, secure or audited, and it is not legal, regulatory or audit advice.
- Human review. Have an accountable owner check any adaptation before it is relied on for a decision, approval or published record.
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