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AI Agents Are Privileged Users; Who Is Auditing Their Access?

Darkreading •Ravi Sharma • September 28, 2026

Enterprises regularly rigorously monitor human employees, while autonomous AI agents quietly operate with broad privileges that could turn them into the generation of insider threats.

Enterprises spend heavily protecting the human perimeter. Security teams deploy phishing-resistant multifactor authentication (MFA), enforce rigid conditional access policies, and scrutinize every login from an unexpected IP address. Yet while we closely monitor the human employee, engineering teams are quietly granting broad production access to autonomous AI agents , which often operate as non-human identities (NHIs) backed by service accounts, API tokens, or delegated cloud permissions.

These agents do not just summarize documents; they orchestrate machine-to-machine actions across sensitive cloud repositories, databases, and corporate environments. Authenticating through long-lived, overprivileged tokens, they often sit outside traditional interactive access controls.

Many security teams are developing a serious blind spot here, treating agentic workflows as benign software integrations rather than autonomous components with systemic access. Existing AI risk guidance is useful, but many organizations still miss the access-control problem: Once an agent can take action, it becomes part of the identity attack surface. An autonomous agent executing code, provisioning resources, or modifying financial records behaves like a privileged user in every practical sense. The serious agentic AI failure may not be a visible hallucination; it may be an identity disaster.

Related: Cisco Zero-Day Highlights API Endpoint Authentication Issues

What Is the AI Model's Identity?

In recent AI governance discussions, the access question I see teams struggle with isn't what the model can say; it's what identity the agent uses when it takes action. As an IT audit leader, a core design principle I look for in high-risk systems is the segregation of duties. No single identity should initiate, approve, and execute a high-value process. Traditional controls enforce this boundary strictly across core business and technology workflows: A developer can't push code directly to production without a peer review; an inventory manager can't approve the same replenishment purchase order they generated. Agentic AI can collapse this architecture if it is deployed without clear access boundaries.

Consider a realistic cloud failure mode: An engineering team provisions an automation agent using an underlying service account with wild-card AWS IAM permissions (s3:* or permissive sts:AssumeRole paths) to streamline multi-platform tool integration. Tasked with monitoring database constraints and automatically deploying script optimizations, the agent detects an infrastructure slowdown, modifies a deployment script to resolve it, and triggers a series of provisioning changes across decoupled production environments.

Related: MFA Won't Save You From OAuth Consent Abuse

The result may not look like a classic AI failure. It may show up as a production outage, data integrity issue, or unbudgeted cloud spend spike. Because this sequence happens machine-to-machine, it can bypass classical human-in-the-loop checkpoints. The agent acts as the initiator, the approver, and the executor simultaneously. Traditional controls weaken when an autonomous system can execute end-to-end transactions across decoupled platforms without leaving a recognizable corporate paper trail.

How to Govern AI Agents

To prevent this operational vulnerability from turning into an unmanageable insider threat, security architectures need to move agentic AI out of the development sandbox and into the scope of identity and access management (IAM) and privileged access management (PAM). Before we hand these entities production keys, we need to pressure-test the architecture against a few hard operational realities:

Agent identity: What specific NHI or service account is the machine using? Agents should not generic system tokens or run under broad corporate service accounts that obscure individual system activities. Every production agent should have an isolated, non-interactive identity, and authentication tokens must be short-lived to reduce credential theft and reuse risk.

Agent authority (blast radius): Is the agent's access strictly scoped to its narrow business purpose? If an agent only needs to read database records to generate a report, it must have no-write or delete permissions. Overprivileging turns an agent into a structural liability: Prompt injection can redirect tool use, while excessive agency allows that redirected action to affect backend systems.

Agent ownership: Who owns the risk and operational accountability for the machine's autonomous actions? If an agent corrupts a database or transfers data out of the network, accountability can't sit with an engineering framework or a generic software library. A business process owner must explicitly own the risk profile.

Agent logging: Can we reconstruct the agent's API calls after an incident occurs? Standard cloud logs show system actions without enough business context. Security teams need telemetry that captures prompt inputs, tool calls, model outputs, policy decisions, and downstream API executions, with appropriate retention and redactions to protect sensitive data.

Agent review: Are these autonomous identities subjected to regular access certification reviews? Without a formal entitlement review and governance process, agents quickly turn into unmonitored zombie accounts, persisting long after a development project is abandoned or an underlying system platform is deprecated.

Agent containment: Do we have an out-of-band containment mechanism? Security infrastructure must be able to isolate or disable an autonomous agent quickly without destabilizing critical system dependencies or causing unexpected downstream operational outages across the enterprise architecture.

Related: Black Hat USA 2026 | OpenAI's Deep Dive Into Hugging Face Incident

If you do not audit and govern your AI agents with the same baseline discipline you apply to human privileged users today, threat actors may exploit them as automated insider threats tomorrow. Treat agents as privileged identities starting now, not later. The organizations that build this discipline today will be in a far stronger position when the incident report has to be written.

Senior IT Audit & Cybersecurity Leader, Pitney Bowes

Ravi Sharma is a senior IT audit and cybersecurity leader with more than 15 years of experience across the US, Europe, India, and the UAE. He has led global audits in cybersecurity, data governance, cloud transformation, and AI risk — partnering with chief information officers (CIOs), chief information security officers (CISOs), and executives to align trust with innovation. Known for simplifying complex risks and fostering strategic dialogue, Ravi brings a forward-looking perspective to internal audit. His credentials include CISA, CISSP, CRISC, CPA, and CMA. He serves on the advisory board of Temple University's Fox School of Business, mentoring emerging audit and risk professionals. A frequent contributor to industry thought leadership, Ravi is passionate transforming audit into a collaborative, future-ready function that supports agility without sacrificing accountability.

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AI Agents' Privileged Access Raises Security Concerns As AI agents increasingly gain access to enterprise systems, they are becoming privileged identities, posing new challenges for identity governance and access management. Organizations are urged to assess which AI agents exist, their access levels, and whether they should be authorized for specific actions. Experts from Royal Bank of Canada and Ping Identity emphasize the need for continuous monitoring and redefining privilege management for these agents. The National Institute of Standards and Technology (NIST) is focusing on AI agent identity and authorization, highlighting the importance of understanding the identity used by AI agents when executing actions. The risk of these agents collapsing traditional access control architectures is significant, as they can operate autonomously and at machine speed, potentially leading to insider threats. Current practices may overlook the access control issues associated with these agents, which could result in severe security incidents. 2 sources 51

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AI Agents Are Privileged Users; Who Is Auditing Their Access?

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