Cloud privileged access management best practices for cloud breaches

At a glance

What this is: This is a cloud privileged access management analysis showing that over-permissioned identities, standing access, and dormant credentials remain the core drivers of cloud privilege abuse.

Why it matters: It matters because IAM, PAM, and cloud security teams must govern human users, service accounts, and AI-adjacent workload identities with the same least-privilege discipline.

By the numbers:

• According to our own data, 92% of identities are over-permissioned, and 62% are dormant.
• 62% are dormant
• 44% of organisations have implemented any policies to, es to manage their AI agents, despite 92% agreeing that governing AI agents is critical to enterprise security.
• Systems with least-privileged AI access had a 17% incident rate vs 76% for over-privileged systems.

👉 Read Sonrai Security's cloud privileged access management best practices for cloud breaches

Context

Cloud privileged access management is the discipline of discovering, controlling, and continuously enforcing least privilege across every identity that can take high-impact actions. In cloud environments, that includes human admins, service accounts, API keys, automation pipelines, workload identities, and AI-adjacent identities that can touch infrastructure.

The governance gap is not visibility alone. Cloud estates grow faster than manual review cycles, inherited accounts survive mergers, and dormant credentials keep their power long after the original business need has disappeared. That makes cloud PAM a lifecycle problem as much as an access-control problem.

For IAM and PAM teams, the practical challenge is to reduce standing privilege without slowing delivery. The article’s starting point is typical for modern cloud environments, not exceptional: most organisations now have more privileged identities than they can review by hand.

Key questions

Q: How should security teams reduce cloud privilege abuse without slowing engineering work?

A: Use a tiered cloud PAM model that reserves just-in-time access for high-risk actions, automates discovery of privileged identities, and removes unused permissions based on actual usage. The goal is to make temporary access fast enough that engineers do not bypass it, while still preventing standing privilege from becoming an attacker’s easiest path.

Q: Why do service accounts and machine identities increase cloud breach risk?

A: They increase risk because they often carry broad permissions, stay active after the original need changes, and are reviewed less often than human accounts. When these identities are over-permissioned, a single credential compromise can expose secrets, policy controls, or production resources far beyond the intended task.

Q: What do security teams get wrong about privileged access reviews in cloud environments?

A: They treat reviews as periodic paperwork instead of control enforcement. In cloud estates, access changes too quickly for quarterly certification alone. Teams need usage-driven review, event-triggered reassessment, and automated remediation so excess privilege is removed before it becomes part of the attack path.

Q: Who should own privileged non-human identities in an enterprise cloud programme?

A: Each privileged non-human identity should have a named business or platform owner who is accountable for its purpose, scope, and offboarding. Without explicit ownership, service accounts and automation identities drift into permanent access, which makes lifecycle governance and incident response much harder.

Technical breakdown

Why cloud privileged access becomes the breach path

Cloud privilege abuse usually starts with an identity that already has too much reach. A leaked access key, a misconfigured service account, or an inherited role becomes the entry point, but the real problem is what permissions follow. Cloud platforms expose thousands of granular actions, so attackers do not need broad initial access if the compromised identity can pass roles, create functions, read secrets, or modify policy. The breach path is therefore shaped by entitlement design, not just credential theft. When permissions are cloned, rarely recertified, or granted for convenience, the attacker inherits the same overreach. Practical implication: reduce the number of identities that can bridge from initial access to infrastructure control.

Practical implication: identify and remove privilege combinations that let a single identity turn limited access into policy-level control.

Why non-human identities need the same governance as humans

Service accounts, machine roles, and automated pipelines are not secondary identities. They are often the dominant privileged actors in cloud estates, and they behave differently from human users because they are rarely interrupted by fatigue, offboarding, or password resets. That makes their lifecycle risk higher, not lower. If a service account retains active credentials after the owning team changes, the access may outlive the control environment that created it. Cloud PAM therefore has to treat non-human identities as governed assets with owners, usage boundaries, and expiry expectations. Practical implication: inventory machine identities separately and tie every one to a named business or platform owner.

Practical implication: build lifecycle ownership for non-human identities so access does not survive the team or system that created it.

Why just-in-time access matters more than periodic review

Just-in-time access changes the security model by removing always-on privilege and only granting it for a specific task. That matters because cloud attackers do not need long dwell time if the identity already holds usable permissions. Periodic review can identify excess access, but it cannot prevent abuse between review cycles. JIT reduces the window in which a stolen or dormant credential can be used for lateral movement or policy abuse. The trade-off is operational, not conceptual: if the access request flow is slow or opaque, teams will route around it. Practical implication: make temporary privilege fast enough that it becomes the default operating pattern.

Practical implication: replace standing privileged access with task-scoped access that expires automatically when the work ends.

Threat narrative

Attacker objective: The attacker wants to turn one compromised cloud identity into broad control over infrastructure, data, or privileged policy actions.

1. Entry occurs when an attacker steals or finds a valid cloud credential, such as a leaked access key, a misconfigured service account, or an inherited role with excessive permissions.
2. Escalation follows when that identity can combine actions like pass-role, function creation, or secrets access to expand reach without needing a new login.
3. Impact arrives when the attacker uses standing privilege to roam across cloud resources, modify infrastructure controls, or exfiltrate sensitive data at scale.

Breaches seen in the wild

• IOS app secrets leakage report — iOS apps leaking hardcoded secrets and credentials endangering user privacy.
• Reviewdog GitHub Action supply chain attack — reviewdog/action-setup GitHub Action supply chain attack exposed secrets.

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

NHI Mgmt Group analysis

Cloud PAM fails when organisations treat privileged access as a list problem instead of a lifecycle problem. Discovery alone does not reduce risk if the identities remain over-scoped, dormant, and uncleared after role or ownership changes. The article is strongest where it shows that inherited access, cloned roles, and stale permissions are not exceptions but normal cloud drift. The implication is that cloud PAM must be governed as an ongoing entitlement lifecycle, not a one-time audit.

Non-human identities are the real acceleration layer in cloud privilege abuse. Service accounts, machine roles, and automation pipelines outnumber human admins and accumulate permission faster than review cycles can contain. That changes the control boundary for IAM and PAM programmes: if machine identities are not separately owned and continuously validated, privilege creep becomes the default state. Practitioners should treat non-human identities as first-class governed actors, not implementation details.

Standing privilege is the assumption that collapses under cloud threat conditions. It was designed for a world where access could be reviewed before use and revoked after the fact. That assumption fails when identities are dormant, cloned, or inherited faster than review cycles can catch them. The implication is not merely to add more review, but to stop relying on access that stays active without an immediate business need.

Blast radius, not nominal access, is the decisive cloud security metric. The article shows that small misconfigurations can become major breaches when they sit inside broad, persistent privilege. That means security teams should judge cloud access by what a compromised identity can do next, not by whether the role name sounds administrative. Practitioners need governance models that prioritise containment paths, not entitlement counts.

Cloud PAM is now a convergence discipline across IAM, PAM, and workload security. The article links human, machine, and AI-adjacent access patterns under the same risk model because cloud infrastructure does not care which identity type causes the damage. That convergence is where the field is heading, and programmes that still separate human recertification from machine access governance will keep missing the real blast radius. Practitioners should unify entitlement control across all identity classes.

From our research:

• According to our own data, 92% of identities are over-permissioned, and 62% are dormant, according to 52 NHI Breaches Analysis.
• Another useful signal comes from our research on identity risk: 70% of organisations grant AI systems more access than they would give a human employee performing the exact same job.
• For a broader identity governance lens, see the 2026 Infrastructure Identity Survey for how access policy is shifting toward platform and infrastructure teams.

What this signals

Cloud PAM is converging with workload identity governance. As cloud estates mix humans, service accounts, pipelines, and AI-adjacent automation, the old split between IAM and machine identity control becomes harder to defend. The operational signal is clear: teams that still run access reviews as human-only exercises will miss the identities that actually hold the most dangerous permissions.

Zombie identities are becoming a measurable governance debt. The article’s risk model aligns with our broader view that dormant credentials are not just hygiene failures, they are latent control failures that survive M&A, team churn, and rapid delivery cycles. For background on how these patterns show up in practice, see 52 NHI Breaches Analysis.

Cloud programmes should expect pressure to prove least privilege continuously, not at audit time. That means moving from recertification as evidence collection to entitlement governance as an operating control, especially where cloud permissions, AI workloads, and third-party access overlap. The organisations that do this well will treat privilege as dynamic blast radius, not static inventory.

For practitioners

• Build a complete privileged identity inventory Include human admins, service accounts, machine roles, API keys, and AI-adjacent identities in one inventory. Mark dormant identities, inherited accounts, and any credential that still has valid access but no current owner.
• Right-size access using actual usage data Review what each identity has actually used, not what a team assumes it might need. Remove unused permissions, especially policy-changing actions, secrets access, and role-creation privileges.
• Replace standing privilege with task-scoped access Use just-in-time access for high-risk cloud actions so permissions are granted only for the task and revoked immediately after completion. Keep the approval and logging flow lightweight enough that teams will use it.
• Quarantine zombie identities quickly Flag dormant accounts and deny them all privileged permissions until an owner confirms the identity is still needed. Do not leave inactive credentials in place because they might support an emergency later.
• Tie non-human identities to named owners Assign a business or platform owner to every service account and automation identity so lifecycle reviews, offboarding, and permission changes have a clear accountable party.

Key takeaways

• Cloud privilege abuse persists because organisations still allow identities to keep more access than they actually use.
• The scale of the problem is visible in over-permissioned and dormant identities, which create a ready-made path from initial access to infrastructure control.
• Teams that want to shrink cloud breach exposure need lifecycle ownership, usage-based rightsizing, and just-in-time access instead of standing privilege.

Key terms

• Cloud Privileged Access Management: Cloud Privileged Access Management is the discipline of discovering and controlling identities that can make high-impact changes in cloud environments. It covers human and non-human identities alike, with continuous enforcement of least privilege, task-scoped access, and lifecycle ownership across accounts, roles, and automation.
• Zombie Identity: A zombie identity is an account or credential that is still active even though the business need, owner, or operating context has gone stale. In cloud environments, these identities are dangerous because they often retain permissions, are rarely reviewed, and can be reused for abuse or lateral movement.
• Standing Privilege: Standing privilege is access that remains continuously available whether or not it is being used. In cloud security, it increases breach blast radius because a compromised identity can act immediately, while dormant permissions also accumulate over time and become harder to govern through periodic review alone.
• Just-in-Time Access: Just-in-time access is a temporary access pattern where permissions are granted only for the duration of a specific task and then revoked automatically. For cloud identities, it reduces the window in which stolen, dormant, or over-scoped access can be used against production systems or sensitive data.

Deepen your knowledge

NHI governance, agentic AI identity, and machine identity lifecycle 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 Sonrai Security: Top Cloud Privileged Access Management Best Practices to Prevent Privilege Abuse. Read the original.