Excessive permissions expose the identity control gap in cloud access

At a glance

What this is: This is an analysis of excessive permissions in cloud access and how over-granted entitlements create avoidable security and compliance risk.

Why it matters: It matters because IAM, IGA, PAM, and NHI teams all inherit the same problem: permissions accumulate faster than organisations can review, revoke, and prove least privilege.

By the numbers:

• Only 5.7% of organisations have full visibility into their service accounts.
• 97% of NHIs carry excessive privileges, increasing unauthorised access and broadening the attack surface.
• Only 20% have formal processes for offboarding and revoking API keys, and even fewer have procedures for rotating them.

👉 Read Zluri's article on excessive permissions and access management

Context

Excessive permissions are simply access rights that exceed what an identity needs to do its job. In cloud and SaaS environments, that usually appears as roles that are too broad, defaults that are too permissive, or access that was never removed after a job change or temporary exception. This is an identity governance problem first, and a cloud security problem second.

The article treats permissions as something that must be actively governed rather than granted once and forgotten. That framing applies across human users, service accounts, and workload identities, because privilege creep and weak review processes create the same failure pattern regardless of actor type.

For IAM teams, the key issue is not whether access was originally justified, but whether it is still justified now. Once organisations lose sight of that distinction, least privilege becomes a policy slogan instead of an operational control.

Key questions

Q: How should security teams reduce excessive permissions in cloud environments?

A: Start by inventorying roles, accounts, and tokens, then compare granted access to actual task requirements. Remove inherited admin rights, formalise exception handling, and certify both human and non-human identities on a recurring schedule. The goal is to make excess access visible, reviewable, and revocable before it becomes a breach path.

Q: Why do service accounts with excessive permissions create so much risk?

A: Service accounts often bypass human-style controls, so broad access can persist unnoticed for long periods. When those accounts can read data, change configurations, or reach adjacent systems, a single compromise can produce outsized impact. That is why entitlement scope and lifecycle control matter as much as authentication strength.

Q: What breaks when organisations rely on manual permission granting?

A: Manual granting tends to create inconsistent roles, forgotten exceptions, and access that outlives the job or project it was meant to support. Over time, no one can reliably explain why a user, app, or vendor still has a given privilege. That uncertainty is a governance failure, not just an operational nuisance.

Q: Who should own the cleanup of excessive permissions?

A: Ownership should sit with the business and identity governance function together, because access decisions require both operational context and control enforcement. IT can execute revocation, but managers, application owners, and security teams must define what is still justified. Without clear ownership, excess access simply survives the next review cycle.

Technical breakdown

Role-based access control and why ad hoc access expands risk

Role-based access control aligns permissions to job function, but many environments drift into manual grants and exception-based access over time. When that happens, entitlement decisions stop being role-driven and become transaction-driven, which makes overprivilege normal rather than exceptional. The result is not just more access, but less predictable access boundaries across users, apps, and systems. Practical implication: define roles tightly, then continuously compare live entitlements against those role definitions.

Practical implication: define roles tightly, then continuously compare live entitlements against those role definitions.

Permission creep in human and non-human identities

Permission creep is the gradual accumulation of access that survives after its original purpose has expired. In human IAM it often follows promotions, temporary projects, or emergency elevation. In NHI environments it appears when service accounts, API keys, or application roles keep their standing access long after the workflow changed. Because machine identities do not self-report excess, the organisation has to detect drift through governance tooling and periodic certification. Practical implication: treat every exception as temporary until revalidated.

Practical implication: treat every exception as temporary until revalidated.

Why excess privilege turns into breach impact

Excessive permissions matter because attackers rarely need perfect compromise when they can abuse broad access already present in the environment. A low-value identity with access to sensitive data, admin functions, or adjacent systems can become a pivot point for lateral movement, data exfiltration, or destructive change. The technical issue is not merely exposure, but the size of the blast radius attached to each identity. Practical implication: reduce privilege scope before you try to improve detection coverage.

Practical implication: reduce privilege scope before you try to improve detection coverage.

Threat narrative

Attacker objective: The objective is to turn unnecessary standing access into broad control over data, systems, or operational workflows.

1. Entry occurs when a human user, service account, or third-party identity already holds access beyond its operational need, turning normal authentication into an abuse path.
2. Escalation follows when that identity can read sensitive data, change configurations, or move into adjacent systems without another approval step or entitlement check.
3. Impact arrives as data exposure, unauthorized change, or operational disruption because the overprivileged identity gives the attacker more control than the original task required.

Breaches seen in the wild

• Cisco DevHub NHI breach — IntelBroker exploited exposed Cisco credentials, API tokens and keys in DevHub.
• Snowflake breach — Snowflake breach compromised Ticketmaster, Santander and others via cloud credential abuse.

Read our 52 NHI Breaches Analysis report for a comprehensive view of breaches impacting Non-Human Identities including AI Agents.

NHI Mgmt Group analysis

Excessive permissions are an identity governance failure, not just a cloud misconfiguration. The article describes a pattern where access is granted more easily than it is reviewed, revoked, or bounded. That is the structural problem IAM and IGA teams keep inheriting across SaaS, cloud, and internal systems. Practitioner conclusion: entitlement governance has to be operational, not ceremonial.

Permission creep is the named control gap this topic exposes. Roles drift, emergency access persists, and manual grants accumulate until nobody can defend why an identity still has its current reach. This is the same failure mode whether the identity is a person, a service account, or an application token. Practitioner conclusion: if revocation is not measurable, least privilege is not real.

Excessive privilege broadens blast radius faster than detection can compensate. A compromised identity with unnecessary access shortens the attacker’s path to sensitive data and administrative actions. That is why entitlement scope is a primary control variable, not an after-the-fact cleanup task. Practitioner conclusion: shrink access first, then improve monitoring.

Vendor or third-party access is where overprivilege becomes supply-chain exposure. The article’s third-party scenario reflects a common governance blind spot, where external identities are treated as temporary but governed as if they were permanent. That creates accountability gaps when access outlives the business relationship. Practitioner conclusion: offboarding must be part of access design, not a separate process.

Least privilege fails when organisations confuse provisioning speed with governance quality. The article shows how easy it is to over-grant during growth, emergency response, or default setup, then leave the excess in place. The discipline required is continuous entitlement validation across human and non-human identities. Practitioner conclusion: review cadence must match access volatility.

From our research:

• Only 5.7% of organisations have full visibility into their service accounts, according to Ultimate Guide to NHIs.
• Another NHI Mgmt Group finding shows that 96% of organisations store secrets outside of secrets managers in vulnerable locations including code, config files, and CI/CD tools.
• For the governance pattern behind that visibility gap, see NHI Lifecycle Management Guide for lifecycle controls that reduce standing access.

What this signals

Permission drift is now a programme-level signal, not a ticket-level exception. When entitlement growth outpaces review, IAM and IGA teams need to treat access cleanup as a continuous control rather than a periodic exercise. The practical test is whether your programme can explain every high-risk grant at the point of use, not only at the next certification cycle.

With 97% of NHIs carrying excessive privileges, the identity surface is already biased toward overreach unless teams design for revocation and least privilege by default. That makes entitlement hygiene a core operating model question for cloud, SaaS, and automation-heavy environments, not a niche NHI concern.

Identity blast radius: the real risk is not how many accounts exist, but how much damage any one account can do when its permissions are broader than necessary. That is why modern programmes should track overprivilege as a measurable risk indicator alongside visibility, rotation, and offboarding.

For practitioners

• Tighten role definitions before expanding cloud access Map each role to the minimum entitlements it actually needs, then remove inherited admin rights and broad default permissions that were added for convenience.
• Certify standing access on a recurring schedule Run access reviews for both human and non-human identities, with a separate approval path for emergency access so temporary elevation does not become permanent.
• Revoke third-party access at offboarding Tie vendor access to contract end dates, project closure, and owner sign-off so external identities do not retain permissions after the relationship changes.
• Measure entitlement drift against actual usage Compare granted permissions to observed activity and flag identities that carry high-risk access without corresponding business use or recent review.

Key takeaways

• Excessive permissions create avoidable identity risk because access often remains broader than the work it supports.
• The scale problem is real: service accounts and other non-human identities are widely overprivileged, which enlarges the blast radius of any compromise.
• Organisations reduce this risk by tightening roles, certifying standing access, and tying revocation to lifecycle events rather than ad hoc cleanup.

Key terms

• Excessive Permissions: Excessive permissions are access rights that exceed what an identity needs to perform its intended work. In practice, they appear when roles, defaults, exceptions, or legacy grants create more reach than the business process requires, increasing the chance of misuse, error, or compromise.
• Permission Creep: Permission creep is the gradual accumulation of access that is never fully removed after a role change, temporary exception, or project end. It is a governance problem because the entitlement stays active long after its original justification has expired, especially in environments with weak review and revocation discipline.
• Role-Based Access Control: Role-based access control is a permission model that assigns access according to job role rather than individual request. When roles are well-designed, RBAC limits ad hoc grants and makes access decisions easier to review, audit, and revoke across both human and non-human identities.
• Standing Privilege: Standing privilege is persistent access that remains available until someone explicitly removes it. It increases risk because the identity can act immediately without fresh approval or just-in-time provisioning, which gives attackers and insiders a larger window to abuse the access if the account is compromised.

Deepen your knowledge

NHI governance, machine identity security, and identity lifecycle management are core topics in our NHI Foundation Level course, the industry's only accredited NHI security programme. If you are building or maturing an IAM or identity security programme, it is worth exploring.

This post draws on content published by Zluri: Access Management What Are Excessive Permissions? Read the original.