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10/07/2026 9:14 pm
TL;DR: Periodic vendor reviews confirm a point in time, but they cannot keep pace with changing supply chains, new dependencies, and fast-moving vulnerabilities, according to OneTrust. The governance shift is from static evidence collection to always-on risk signals that support faster decisions, tighter exceptions, and more defensible oversight.
NHIMG editorial — based on content published by OneTrust: The Shift From Periodic Reviews to Continuous Risk Management
Questions worth separating out
Q: How should security teams handle third-party risk when vendor posture changes between reviews?
A: Security teams should move from fixed review cycles to change-triggered governance.
Q: Why do periodic reviews fail in modern supply chains?
A: Periodic reviews fail because they describe a moment in time, while supplier ecosystems change continuously.
Q: How do you know if continuous risk monitoring is actually working?
A: It is working when risk signals lead to timely action, not just more alerts.
Practitioner guidance
- Implement change-triggered vendor reviews Tie vendor reassessment to breach events, acquisitions, major outages, subcontractor changes, and new integrations so risk does not wait for the next scheduled cycle.
- Link risk signals to access decisions Connect third-party monitoring output to entitlement changes, exception renewals, and offboarding workflows so stale posture does not preserve stale access.
- Define materiality thresholds for automation Set policy thresholds for what counts as a meaningful change before automated escalation or triage is allowed to affect business decisions.
What's in the full article
OneTrust's full blog covers the operational detail this post intentionally leaves for the source:
- How the vendor maps continuous monitoring to third-party risk workflows and decision points
- Examples of how AI governance is used to prioritise risk signals and reduce review noise
- Practical guidance on making always-on monitoring sustainable without overwhelming governance teams
- The vendor's view of how CISOs, GRC, and TPRM leaders divide ownership across the operating model
👉 Read OneTrust's analysis of the shift from periodic reviews to continuous risk management →
Always-on third-party risk monitoring: what changes for security teams?
Explore further
10/07/2026 9:38 pm
Periodic review fatigue is now a governance failure mode, not a process inconvenience. Point-in-time questionnaires and audits can certify compliance with the past, but they cannot govern changing vendor ecosystems. The more frequently dependencies shift, the less meaningful a quarterly or annual snapshot becomes. For identity-heavy environments, that means access decisions can be based on stale assumptions about third-party posture, and stale assumptions are how trust boundaries drift. Practitioners should treat review cadence as a control limit, not a guarantee of safety.
A question worth separating out:
Q: Who is accountable when automated risk scoring affects vendor access decisions?
A: Accountability should remain with the risk owner, not the model. AI or automation can sort, score, and prioritise signals, but policy owners must define thresholds, approve escalation logic, and validate exceptional cases. That keeps the programme defensible to auditors and avoids opaque decisions becoming de facto governance.
👉 Read our full editorial: Periodic reviews are failing continuous risk management in vendor ecosystems
