Identity drift is becoming the real enterprise breach multiplier

At a glance

What this is: This is an analysis of identity drift across SaaS, third-party and non-human access, with the core finding that unmanaged, inherited access is now a major enterprise risk multiplier.

Why it matters: It matters because IAM, NHI and PAM programmes can fail when they assume access state is stable, owned and reviewed, while drift quietly expands the real attack surface.

By the numbers:

• 72% of organisations have experienced or suspect they have experienced a breach of non-human identities, 46% confirmed and 26% suspected.
• When AWS credentials are exposed publicly, attackers attempt access within an average of 17 minutes and as quickly as 9 minutes in some cases.

👉 Read Gathid's analysis of identity drift and enterprise breach exposure

Context

Identity drift is the slow gap between who should have access and who actually does. In SaaS-heavy environments, that gap grows through orphaned accounts, copied roles, forgotten third-party integrations and access that was granted as a temporary exception but never removed.

The article’s central point is that breach risk is increasingly shaped by governance failure rather than a single dramatic exploit. For IAM and NHI programmes, the problem is not only who has access today, but whether access still has a clear owner, expiry, and review path as systems and teams change.

Key questions

Q: How should security teams reduce identity drift in SaaS and NHI environments?

A: Start by reconciling approved access against current entitlements and ownership. Focus on orphaned accounts, stale vendor integrations, copied roles and temporary exceptions that never expired. The goal is not just cleanup. It is to make drift visible early enough that access can be corrected before it becomes normalised.

Q: Why does identity drift increase breach risk so quickly?

A: Because attackers often do not need to create new access when old access still exists. Unused accounts, over-privileged roles and forgotten integrations provide ready-made pathways into systems, especially when ownership is unclear and reviews lag behind change. Drift turns yesterday’s exception into today’s standing exposure.

Q: How do organisations know whether access governance is actually working?

A: Measure whether every identity has a current owner, a justified business purpose and a review trail that matches actual use. If you cannot quickly identify stale access, orphaned entitlements or privileges that survived role changes, the governance process is producing paperwork rather than control.

Q: What should teams do when access is inherited from older projects or integrations?

A: Treat inherited access as a remediation queue, not a permanent entitlement class. Revalidate the business need, confirm ownership, and remove anything that cannot be justified. Where removal might disrupt services, simulate the dependency first so you can retire access without guessing.

Technical breakdown

How identity drift builds a hidden access layer

Identity drift occurs when access entitlements, ownership and business intent separate over time. In practice, this includes cloned accounts, stale SaaS permissions, dormant vendor integrations and roles that outlive the project that created them. The technical issue is not only excess privilege, but the absence of a reliable lifecycle record that ties each entitlement back to a current business need. Once that linkage is lost, access becomes hard to review, hard to justify and easy to ignore until incident response exposes it.

Practical implication: create a continuously reconciled inventory of accounts, entitlements and owners so drift can be detected before it becomes inherited risk.

Why quarterly access reviews miss entitlement creep

Quarterly certification is too coarse for environments where access changes daily across human, service and third-party identities. Review workflows often confirm names, not actual usage patterns or stale inheritance. That leaves entitlement creep invisible when permissions are copied forward, inherited from templates or retained after role changes. The mechanism is structural: review cadence lags change cadence, so the programme validates an access picture that may already be outdated by the time sign-off happens.

Practical implication: pair access reviews with continuous entitlement reconciliation and usage-based exception handling, especially for privileged and external access.

Digital twins for identity and blast-radius modelling

A digital twin of identity is a current-state model of identities, entitlements and relationships that can be simulated before changes are made. The value is not just visibility. It is the ability to model what happens if access is removed, a vendor is offboarded, or a role is restructured. This is especially relevant where SaaS and NHI access are fragmented across systems, because the model can expose hidden dependencies and over-provisioned paths that normal reports miss.

Practical implication: use simulation to test revocation, offboarding and privilege reduction before making changes in production.

Breaches seen in the wild

• LiteLLM PyPI package breach — LiteLLM PyPI supply chain attack, credentials stolen from users.
• Shai Hulud npm malware campaign — Shai Hulud campaign: npm malware exposed secrets on GitHub.

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

NHI Mgmt Group analysis

Identity drift is a governance failure, not just an inventory problem. The article shows that the enterprise risk comes from access that persists after the reason for access has expired. That is a lifecycle failure: ownership, expiry and review no longer line up with business reality. Practitioners should treat drift as a control gap in entitlement governance, not as a cosmetic visibility issue.

Inherited access debt: this is the specific failure mode the article describes. Temporary rights, copied accounts and untouched third-party integrations create access that survives beyond its intended purpose. Once that inherited access is normalised, reviews become retrospective paperwork instead of active governance. The implication is that programmes must measure how much access exists because of past decisions, not current need.

Standing access across SaaS and NHI estates is the common path from drift to breach. The article repeatedly points to unused accounts, forgotten integrations and automation that keeps old rights alive. That pattern maps directly to NHI governance, where service accounts and tokens often outlive the process or owner that created them. IAM teams should treat standing access as the default failure state when ownership is unclear.

Continuous validation matters more than periodic attestation when the environment changes daily. Quarterly review cycles assume access changes slowly enough to be assessed later. In modern SaaS and automation-heavy estates, that assumption is already broken. The field should move toward lifecycle governance that can prove access still matches purpose in near real time, across human, non-human and third-party identities.

Identity certainty is now a security control in its own right. If an organisation cannot answer who owns a service account, which external integrations still write data, or why an entitlement still exists, it is operating with unbounded trust. That is not a tooling problem alone. It is a governance model that has stopped distinguishing approved access from accumulated access.

From our research:

• The average organisation believes more than 1 in 5 of their non-human identities are insufficiently secured, according to The 2024 ESG Report: Managing Non-Human Identities.
• 72% of organisations have experienced or suspect they have experienced a breach of non-human identities, with 46% confirmed and 26% suspected.
• That same report is useful context for drift-heavy estates because it shows why unmanaged access is now a governance problem, not a niche exception case.

What this signals

Inherited access is becoming the hidden debt inside modern identity programmes: once access is cloned, forgotten or copied forward, review processes no longer measure intent, they measure residue. Teams should expect more remediation pressure around SaaS connectors, third-party integrations and privileged non-human access, where ownership is often weakest.

The practical shift is toward lifecycle certainty. If a team cannot answer who owns an entitlement, when it expires and how it will be verified after role change, the programme is already behind the drift curve. For broader context on lifecycle discipline, the NHI Lifecycle Management Guide is the better control lens than isolated review workflows.

With 72% of organisations having experienced or suspecting a breach of non-human identities according to The 2024 ESG Report: Managing Non-Human Identities, the signal is clear: unmanaged access is no longer edge-case risk, it is a mainstream governance failure that identity teams must model continuously.

For practitioners

• Map inherited access first Build a baseline of accounts, tokens, roles and third-party integrations that exist because of prior approvals, copied templates or temporary exceptions. Prioritise orphaned access, dormant accounts and vendor links that no longer have an obvious owner.
• Tie every identity to a named business owner Require an accountable owner for human, service and integration identities, then make ownership part of the review record. If no current owner can be identified, treat the access as suspect until it is justified or removed.
• Move from periodic review to continuous entitlement reconciliation Compare current entitlements against approved state on a daily basis for privileged users, service accounts and external integrations. Flag any privilege that persists beyond its business purpose or reappears after offboarding.
• Simulate revocation before making changes Use a digital twin or equivalent dependency model to test what breaks if access is removed, a contractor is offboarded or a SaaS connector is disabled. This reduces the chance of preserving risky access because nobody wants to touch it.

Key takeaways

• Identity drift creates breach exposure long before an attacker appears, because access can remain active after ownership, purpose and review have all broken down.
• The scale of the problem is not theoretical: modern identity estates accumulate unused accounts, forgotten integrations and inherited privilege faster than periodic governance can correct them.
• The control answer is continuous entitlement reconciliation backed by named ownership and simulation of revocation, so access can be removed without guesswork.

Key terms

• Identity Drift: The gradual mismatch between approved access and actual access across human, non-human and third-party identities. It builds through exceptions, copied roles, forgotten integrations and slow offboarding, then becomes hard to see because no single event marks when the mismatch began.
• Inherited Access: Access that remains in place because it was copied, extended or never unwound after the original reason for granting it ended. In practice, inherited access is where governance debt becomes operational risk, especially in SaaS estates and service-account-heavy environments.
• Entitlement Reconciliation: The process of comparing current permissions against approved state, ownership and business purpose. It is more than a review exercise because it can be automated and repeated continuously, making it useful for catching drift in both human and non-human identity estates.
• Digital Twin Of Identity: A live model of identities, privileges and relationships used to simulate access change before it happens. For identity governance, the twin helps teams test revocation, offboarding and privilege reduction so they can predict blast radius instead of discovering it after the fact.

Deepen your knowledge

Identity drift, orphaned access and continuous entitlement reconciliation are core topics in our NHI Foundation Level course, the industry's only accredited NHI security programme. If you are building a governance programme across human, non-human and third-party identities, it is worth exploring.

This post draws on content published by Gathid: Identity drift is becoming the real enterprise breach multiplier. Read the original.