AI
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Technology profile
Agent Security
Securing systems that act, not only answer.
Parallax Index
84 +7
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Definition
Agent security is the set of controls that govern what AI agents can access and do: identity, permissions, input validation, monitoring and containment for systems that take actions with tools.
How it works
- 01Each agent is assigned an identity with scoped, revocable credentials.
- 02Least-privilege permissions limit which tools and data an agent can touch.
- 03Untrusted inputs are isolated so injected instructions cannot escalate actions.
- 04High-impact actions require approval checkpoints.
- 05Full action logs allow audit and incident response.
Latest developments
- 2026-08Identity vendors extend workforce identity products to non-human agents.
- 2026-05Enterprise security teams publish agent deployment control frameworks.
Use cases
- Scoping agent access to enterprise systems
- Detecting prompt injection in tool inputs
- Auditing agent actions for compliance
- Containing autonomous incidents
Market
An emerging category drawing identity, observability, application security and red-teaming vendors.
Timeline
- 2023Prompt injection recognised
Injection becomes the canonical LLM application vulnerability.
- 2024Tool-use risks
Agents with browsing and code execution show data exfiltration paths.
- 2025Agent identity
Non-human identity emerges as a control point.
- 2026Control frameworks
Enterprises formalise agent deployment policies.
Risks
- Injection remains unsolved at the model level
- Permission sprawl as agents multiply
- Shadow agents deployed outside security review
- Incident attribution across agents and humans
Future outlook
Security will decide the ceiling on agent autonomy. Expect standards for agent identity and a wave of tooling built for autonomous systems.
Sources & references
- 01OWASP guidance on LLM and agent application security — OWASPresearch
- 02OWASP guidance on LLM and agent application security — OWASPresearch
Coverage
Security/ Explainer
Securing the Agentic Enterprise
An explainer on the new attack surface created by AI agents with tool access, and the controls that decide how far enterprises can let them go.
6 min read
AI/ Deep Dive
The Agentic Enterprise: From Pilots to Production
A Deep Dive on enterprise agent deployment: the adoption curve, the market map, the technology, the risks and the opportunities.
12 min read
Security
AI Governance Moves From Principles to Obligations
Regulation is converting voluntary AI principles into enforceable obligations, and enterprises deploying agents are discovering their governance frameworks were written for a different technology.
4 min read
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