PAM gaps behind 2024 breaches show why privileged access still fails

At a glance

What this is: This is an analysis of three 2024 breaches that Arcon says were enabled by weak privileged access governance and credential abuse.

Why it matters: It matters because PAM failures affect not only human admins but also the broader identity controls that govern NHI credentials, elevated workflows, and access accountability.

By the numbers:

• Arcon cites three major IT incidents in 2024 that it says could have been avoided with stronger privileged access management.

👉 Read Arcon's analysis of 2024 breaches and privileged access control gaps

Context

Privileged access management is the control layer that determines who can use high-risk credentials, what they can do, and for how long. When that layer is weak, compromise often turns into internal movement, data theft, and operational disruption because the attacker inherits the trust already attached to elevated access. This article frames that problem through 2024 breach examples and the failure of identity-centric security discipline.

The governance gap is not limited to human administrators. Privileged accounts, service credentials, and other non-human identities all become breach accelerants when access is persistent, broad, or poorly monitored. That is why the same lifecycle and least-privilege questions apply across PAM, NHI governance, and modern identity programmes.

The article’s central claim is that better PAM design could have reduced the blast radius of each incident. That is a useful reminder, but practitioners should read it as a governance signal rather than a product claim: the real issue is whether access is time-bound, scoped, logged, and continuously reviewable.

Key questions

Q: What breaks when privileged access is not continuously governed?

A: When privileged access is not continuously governed, standing privilege persists, dormant accounts remain usable, and the attack surface expands across human and machine identities. In practice, that creates a larger blast radius for credential theft and a weaker ability to prove who had access, when, and why. The result is operational drift, not just security exposure.

Q: Why do privileged accounts create outsized breach risk?

A: Privileged accounts can change configurations, access sensitive data, and disable controls, so a single compromise often has disproportionate impact. If those accounts are broad, poorly monitored, or left active after use, attackers can move from initial access to system-wide disruption far faster than with ordinary user accounts.

Q: How do security teams know whether PAM is actually reducing privilege risk?

A: Measure how much privileged access is permanent, how often elevation is task-scoped, and whether session activity matches the approved purpose. If privileged sessions still last far beyond the task or if approvals are routinely broad, PAM is reducing friction more than risk.

Q: Who is accountable when an overprivileged account is compromised?

A: Accountability usually spans identity owners, application owners, and security governance because the failure is rarely one control alone. The organisation must decide who approves privilege, who reviews it, and who is responsible when a role outlives its business need. That ownership should be explicit for every privileged account class.

Technical breakdown

How privileged account compromise turns into internal movement

Once an attacker obtains a privileged account, the problem is no longer simple authentication failure. Privileged identity usually carries trust across systems, so a single compromise can allow traversal into adjacent applications, directories, backups, and administrative consoles. That is why privileged access management is not just about blocking logins. It is about constraining what an elevated identity can do after authentication, including command execution, resource reach, and session visibility. In the healthcare case described by Arcon, the attack path depended on that inherited trust.

Practical implication: map every privileged account to the systems it can reach and remove implicit trust between administrative domains.

Why JIT access and ephemeral credentials change the attack window

Just-in-time access reduces the period during which a privileged credential can be abused. Ephemeral credentials go further by limiting reuse and reducing the value of a stolen secret after the task is complete. In NHI terms, this changes the identity from a standing asset into a temporary authorisation event. That matters because many breaches are successful not because attackers are sophisticated, but because the credential remains valid long enough to be found, reused, and moved laterally. Standing privilege is the condition that makes those attacks durable.

Practical implication: replace persistent admin access with task-scoped elevation wherever operationally possible.

What monitoring and audit trails must prove in privileged access

Monitoring only helps if it can show who accessed which privileged resource, when, from where, and what was done. For PAM and adjacent NHI governance, audit trails are not archival records. They are the evidence layer for detecting abnormal use, confirming policy enforcement, and investigating whether a privileged session crossed its intended boundary. Arcon’s fintech example underscores this point: compromised credentials become far more damaging when detection is delayed and privileged activity is opaque. Visibility is therefore a control, not a reporting feature.

Practical implication: ensure privileged sessions generate actionable logs that security teams can correlate with identity and command activity.

Threat narrative

Attacker objective: The attacker aimed to convert privileged access into broad system control and exfiltration leverage while avoiding early detection.

1. Entry occurred through a compromised or improperly controlled privileged account, giving the attacker trusted access to internal systems.
2. Escalation followed as the attacker used that access to navigate the environment, reach additional systems, and operate with administrator-level leverage.
3. Impact came through data theft, service disruption, or both, depending on the target environment and how much privileged reach the account carried.

Breaches seen in the wild

• MongoBleed breach — MongoBleed exposed secrets across 87K MongoDB servers.
• IOS app secrets leakage report — iOS apps leaking hardcoded secrets and credentials endangering user privacy.

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

NHI Mgmt Group analysis

Standing privilege remains the breach enabler that PAM still has not eliminated. The article’s examples all point to the same failure mode: privileged access existed for too long, with too much reach, and too little behavioural scrutiny. That is not a product selection issue so much as a governance one, because persistent elevation creates a durable attack surface. The practitioner conclusion is that standing privilege is still the control failure to eliminate first.

Identity-centric security only works when privileged access is treated as a lifecycle, not a login event. Granting access is not the hard part. Revocation, scoping, command control, and post-session review are where most programmes weaken. The article’s JIT and vaulting examples are useful because they point to the full lifecycle of elevated access, not just authentication. The practitioner conclusion is that PAM must be measured by how quickly privilege disappears after use.

Privileged access controls need to cover human admins and non-human identities with the same policy discipline. Service accounts, automation credentials, and elevated human sessions all create the same governance problem when they persist beyond the task they serve. The article focuses on human compromise, but the identity lesson is broader: any long-lived privileged credential becomes an NHI governance liability. The practitioner conclusion is to apply one privilege model across both administrator and machine identities.

Granular control is only meaningful when the organisation can prove what was allowed at command level. Role-based access alone is too coarse for elevated environments where one account can reach multiple systems or run dangerous commands. The real control boundary is the specific action, session, or resource. That is why privileged access review must move below the account layer. The practitioner conclusion is to govern commands and sessions, not just named users.

Ephemeral privilege debt: The longer privileged access persists after task completion, the more the organisation pays in lateral movement risk and forensic ambiguity. That concept captures the central pattern across the article’s breach examples. JIT access, command restriction, and tight logging all exist to reduce that debt. The practitioner conclusion is to treat persistence itself as the risk signal.

From our research:

• 72% of organisations have experienced or suspect they have experienced a breach of non-human identities, according to The 2024 ESG Report: Managing Non-Human Identities.
• Two-thirds of enterprises have endured a successful cyberattack resulting from compromised non-human identities, which shows that identity misuse is already a live operational risk.
• If privileged access persists after task completion, the governance problem compounds. See NHI Lifecycle Management Guide for the lifecycle controls that reduce that exposure.

What this signals

Ephemeral privilege debt: every minute that elevated access remains available after the task ends increases both blast radius and forensic uncertainty. Programmes that still rely on weekly access reviews are already lagging behind how privilege is actually abused in modern environments.

With 72% of organisations already reporting or suspecting NHI breaches according to the 2024 ESG Report: Managing Non-Human Identities, identity teams should assume that privilege misuse is not an edge case. That shifts the operational question from whether PAM matters to whether access governance can prove timely revocation and command-level control.

For practitioners

• Eliminate standing privileged access Review all administrator and elevated service credentials for persistent access that remains active outside a defined task window. Prioritise accounts that can traverse multiple systems or manage sensitive data.
• Scope elevation to commands and sessions Move beyond role assignment and restrict what privileged users can execute at the command layer. Pair that with session recording so investigations can reconstruct exactly what happened.
• Adopt just-in-time access for high-risk roles Grant elevated rights only when a task requires them, then revoke access immediately after completion. Use this pattern for both human administrators and non-human operational accounts.
• Vault and rotate privileged credentials Keep administrative secrets out of shared memory and enforce regular rotation for credentials that cannot be made ephemeral. Where possible, replace reusable passwords with ephemeral credentials tied to task scope.
• Correlate privileged activity with identity telemetry Tie logs, alerts, and session data back to the specific identity and access event so security teams can distinguish normal administration from misuse. This is especially important when privilege spans multiple business units or environments.

Key takeaways

• The article’s real lesson is that standing privileged access still creates the breach path, even when organisations believe they have access controls in place.
• The evidence points to internal movement and data theft once privileged accounts are compromised, which is why session visibility and task scoping matter.
• The most effective limit on this failure mode is not broader access management, but shorter-lived elevation, tighter command control, and faster revocation.

Key terms

• PAM — Privileged Access Management: Solutions that control, monitor, and audit privileged access for both human and non-human identities. Traditional PAM tools are being extended to cover machine identities, service accounts, and agentic AI workloads.
• JIT — Just-in-Time Access: A security approach that grants access permissions only for the duration needed to complete a specific task, then automatically revokes them. JIT access eliminates standing privileges for NHIs, dramatically reducing attack surface.
• Ephemeral Credentials: Ephemeral credentials are short-lived access artefacts issued for a limited task or session. They reduce the window for abuse, but they only improve security when paired with strong scope limits, telemetry, and automatic revocation at task completion.
• Command-Level Control: Command-level control means evaluating and governing each sensitive action inside a session rather than only approving the session itself. In autonomous and machine identity contexts, this is stronger than simple authentication because the risk comes from what the actor does after access has already been granted.

What's in the full article

Arcon's full blog post covers the operational detail this post intentionally leaves for the source:

• The healthcare breach walk-through with the specific privileged access weakness described in the incident
• The fintech incident details on compromised credentials, data volume, and the dark web resale angle
• Arcon's own PAM control mapping for JIT access, vaulting, and role-based restrictions
• The article's end-to-end examples of how access control and monitoring were positioned against each breach

👉 Arcon's full post expands the incident examples and the PAM controls it says would have limited them.

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 programme, it is worth exploring.