Subscribe to the Non-Human & AI Identity Journal

How should security teams handle AI agent visibility?

Security teams must conduct an exhaustive discovery process to identify all deployed AI agents, both sanctioned and unsanctioned, across the organization. This visibility is foundational for effective governance and enables timely interventions against potential threats.

Why Security Teams Need Agent Visibility Before They Can Govern It

AI agents are not ordinary service accounts. They can act autonomously, chain tools, request new permissions, and pursue goals in ways that are difficult to predict with static IAM models. That is why visibility is the first control: teams need to know what agents exist, what they can reach, which identities they use, and where they are already overreaching. The OWASP NHI Top 10 and the NIST AI Risk Management Framework both point toward governance that is grounded in discovery, inventory, and accountability rather than assumptions.

This matters because agent sprawl turns into security debt quickly. NHIMG research shows that 80% of organisations report their AI agents have already performed actions beyond their intended scope, including unauthorised access and sensitive data exposure. That is not a future-state concern; it is a current operating condition. Security teams that cannot identify all agents cannot determine whether an agent is using legitimate workload identity, borrowed secrets, or shadow integrations created outside approved processes. In practice, many security teams encounter agent misuse only after a data access event, rather than through intentional discovery.

How Security Teams Should Build Agent Visibility Into Operations

Effective visibility starts with a complete agent inventory, but it cannot stop at names in a spreadsheet. Teams should map each agent to its workload identity, owner, purpose, connected tools, and the secrets or tokens it can access. For autonomous systems, that inventory should also record runtime context such as approved tasks, policy boundaries, and whether the agent is eligible for NHI lifecycle management controls like expiration, review, and revocation. The operational goal is to see both the agent and the authority it inherits.

Best practice is evolving toward intent-based authorisation and just-in-time credentialing. Instead of giving an agent standing access to broad scopes, security teams should issue short-lived credentials per task, validate the request at runtime, and revoke access automatically when the task completes. This aligns with current guidance from the OWASP Top 10 for Agentic Applications 2026 and the MITRE ATLAS adversarial AI threat matrix, both of which emphasize runtime abuse paths rather than static perimeter assumptions.

  • Discover every agent, including sanctioned copilots, background automations, and shadow deployments.
  • Bind each agent to a unique workload identity so ownership is provable, not inferred.
  • Replace long-lived secrets with ephemeral, task-scoped credentials and strict TTLs.
  • Log tool calls, data access, and escalation attempts so review is possible after execution.
  • Review any agent that can chain actions across systems or request new privileges dynamically.

For implementation detail, teams often pair policy-as-code with workload identity standards so authorization can be evaluated at request time instead of during periodic review. These controls tend to break down when agents are embedded in legacy automation platforms that lack per-request policy hooks because visibility then depends on incomplete vendor logs.

Where Visibility Programs Break Down in Real Environments

Tighter agent visibility often increases operational overhead, requiring organisations to balance faster onboarding against stronger control of autonomous behavior. There is no universal standard for every environment yet, especially where multiple model providers, managed plugins, and human-in-the-loop approvals overlap. The practical risk is that teams collect inventory data but fail to operationalize it into access decisions, revocation triggers, and exception handling.

Two common edge cases deserve attention. First, multi-agent systems can obscure accountability because one agent may invoke another, making the effective access path longer than the visible one. Second, legacy secrets stores and API gateways may show credential use, but not whether the agent’s action matched its approved intent. That is why visibility should extend beyond identity to tool usage, data scope, and decision context. NHIMG’s DeepSeek breach analysis and AI LLM hijack breach coverage illustrate how exposed secrets and weak control boundaries can turn agent activity into immediate abuse opportunities.

For teams handling high-risk autonomy, the safest pattern is to treat visibility as a continuous control, not a one-time discovery project. Where the environment cannot support that model, security teams should constrain the agent’s toolset, shorten token lifetimes, and block unsanctioned integrations until the operating model catches up.

Standards & Framework Alignment

This section maps relevant standards and security frameworks to the operational risks and controls described in this guidance.

OWASP Agentic AI Top 10 and CSA MAESTRO address the attack and risk surface, while NIST AI RMF set the governance and control requirements practitioners need to meet.

Framework Control / Reference Relevance
OWASP Agentic AI Top 10 A1 Agent visibility is the prerequisite for controlling agentic attack paths and misuse.
CSA MAESTRO MAESTRO emphasizes governing autonomous agent behavior across discovery and control.
NIST AI RMF GOVERN AI RMF GOVERN covers accountability and oversight for autonomous AI systems.

Inventory every agent and map its tools, scopes, and runtime permissions before granting access.

Related resources from NHI Mgmt Group