Agentic AI red teaming: what security teams need to test

TL;DR: Agentic AI systems expand the attack surface because prompts can drive tools, databases, email, and collaboration actions, while white-box red teaming found 3 to 5 times more vulnerabilities than black-box approaches, according to VotalAI. Deterministic testing assumptions break when language becomes the control plane and tool use is decided at runtime.

Editorial analysis by NHI Mgmt Group, based on content published by VotalAI: “White-Box Red-Teaming for Agentic AI: An Open-Source Framework for Testing LLMs & AI Agents”.

Key questions

Q: What breaks when agentic AI systems are tested only with black-box security scans?

A: Black-box scans miss the context that drives tool use, role checks, and sensitive-data handling inside the agent.

Q: Why do agentic AI systems increase initial access and privilege abuse risk?

A: Because they can chain valid access into multiple tool calls without needing a human to approve each step.

Q: What are the signs that AI red teaming is too shallow?

A: The usual signs are narrow test cases, no coverage of live workflows, no retesting after model or prompt changes, and findings that are not linked to remediation.

Practitioner guidance

• Map tool invocation paths before testing live agents Inventory every callable tool, the parameters it accepts, and the permissions it can exercise so red teaming targets real execution paths rather than generic prompts.
• Test role boundaries with source-aware attack cases Use code-derived role definitions and validation logic to probe whether a low-privilege role can be coerced into admin-level actions or data access.
• Include indirect and multi-turn prompt injection in every assessment Evaluate whether benign first exchanges, external content, or gradual context shifts can move the agent into unsafe tool use or data disclosure.

Bottom line: Agentic AI security is no longer just an application testing problem because the model can convert language into tool use and external action.

Explore further

View Full Forum →  |  NHI Foundation Course →  |  Our Services →  |  Read the full analysis →