The identity team remains accountable for the control design, the identity platform remains accountable for enforcement and evidence, and business approvers remain accountable for the decision itself. A collaboration app is only the interface. If controls, logs, and SoD checks move into chat without a system of record, accountability becomes harder to prove.
Why This Matters for Security Teams
Collaboration apps often become the fastest path for identity approvals, but speed can quietly erode accountability. The risk is not the chat tool itself; it is the temptation to treat a message thread as the approval record, the control point, and the audit trail all at once. When that happens, control ownership becomes blurred between the identity team, the platform team, and business approvers.
This is especially dangerous for privileged access, exceptions, and emergency changes, where teams need to prove who approved what, under which policy, and with what evidence. Current guidance from the NIST Cybersecurity Framework 2.0 still points back to traceable governance and repeatable accountability, not informal chat-based decisions. NHIMG research on the Ultimate Guide to NHIs shows why this matters: 79% of organisations have experienced secrets leaks, and 77% of those incidents caused tangible damage. In practice, many security teams discover the approval gap only after an access review, incident, or audit has already exposed it.
How It Works in Practice
Good practice is to treat the collaboration app as the interface, not the system of record. The approval should originate in the workflow, but the authoritative record should live in the identity platform or governed ticketing system where policy enforcement, segregation-of-duties checks, and evidence capture can be verified. The identity team owns the control design, including what requires approval, which roles may approve, and what conditions invalidate an approval.
Business approvers own the business decision itself, meaning they are accountable for whether the access request is justified. The platform owner or identity operations team owns the enforcement layer, including whether access is actually granted, revoked, and logged correctly. That distinction matters because a chat message can express intent, but it does not by itself enforce policy or produce durable evidence.
- Use the collaboration app to notify and collect a decision, but write the approval into the authoritative workflow.
- Link each approval to the request ID, requestor, approver, timestamp, policy exception, and expiration.
- Require SoD checks and escalation paths before access is provisioned.
- Keep immutable logs in the identity platform for audit and incident response.
- Make revocation and review part of the same workflow, not a manual afterthought.
For NHI-heavy environments, this also aligns with the operational reality described in the Top 10 NHI Issues: approvals that are not bound to lifecycle controls tend to outlive the access they were meant to justify. These controls tend to break down when approvals are handled in high-volume chat channels because the decision is visible while the enforcement record is fragmented across systems.
Common Variations and Edge Cases
Tighter approval controls often increase workflow friction, so organisations have to balance speed against evidence quality and separation of duties. That tradeoff is most visible in emergency access, executive exceptions, and cross-functional approvals where the business wants fast action but auditors still need traceability. Best practice is evolving here, but there is no universal standard that says a chat acknowledgement alone is sufficient.
One edge case is delegated approval. If a manager delegates authority in a collaboration tool, the delegation itself still needs to be governed in the identity system. Another is bot-mediated approvals. If an automation bot posts the request and records reactions or replies, the bot remains only a transport layer unless the underlying system persists the decision and validates approver identity.
Another common failure mode appears when the approval process covers human users but not non-human identities such as service accounts or API keys. That is where the problem stops looking like simple workflow governance and starts looking like NHI lifecycle control, especially when credentials are granted, rotated, or revoked outside the authoritative platform. The Ultimate Guide to NHIs makes this gap clear, and the 52 NHI Breaches Analysis shows how often identity failure becomes visible only after access has already been misused.
Where collaboration apps also store attachments, tokens, or approval evidence, the scope expands further and the record may become part of the security problem rather than the solution.
Standards & Framework Alignment
This section maps relevant standards and security frameworks to the operational risks and controls described in this guidance.
OWASP Non-Human Identity Top 10 address the attack and risk surface, while NIST CSF 2.0 and NIST AI RMF set the governance and control requirements practitioners need to meet.
| Framework | Control / Reference | Relevance |
|---|---|---|
| NIST CSF 2.0 | PR.AC-4 | Access approval needs traceable enforcement and least privilege. |
| OWASP Non-Human Identity Top 10 | NHI-01 | Identity approvals often govern NHI access and lifecycle decisions. |
| NIST AI RMF | AI governance principles help clarify accountability across automated approvals. |
Keep approvals in a governed workflow and verify access is provisioned only after policy checks pass.
Related resources from NHI Mgmt Group
- Why do SaaS sprawl and app renewals matter to identity governance?
- Why do collaboration automations create identity risk even when they save time?
- Who is accountable when compromised credentials are used to access personal or infrastructure accounts?
- Who is accountable when a stolen session is used to pivot into SaaS platforms?
