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Attackers Exploit LLM Guardrails to Breach Enterprise APIs

February 25, 2026

"Attackers Exploit LLM Guardrails to Breach Enterprise APIs," is an interview hosted by Tom Field of Information Security Media Group (ISMG). It features Ramin Farassat, Chief Product Officer at Menlo Security, and Daniel Lees, Cloud Security Architect at Google Cloud.

The discussion focuses on how cyber threats are evolving to target artificial intelligence and large language models (LLMs). Here are the key topics covered in the video:

  • Semantic Attacks vs. Traditional Firewalls: The experts explain that attackers have shifted from using classic technical exploits to "semantic attacks." Because these threats use natural language rather than recognizable technical signatures, traditional firewalls (which rely on static rules and signatures) are often unable to stop them.
  • Prompt Injection and Jailbreaking: Farassat describes how attackers use prompt injection to trick LLMs into bypassing their safety filters. This allows them to "jailbreak" the model to leak sensitive data or execute unauthorized commands via APIs.
  • The Need for Intent-Based Security: Lees emphasizes that AI security must evolve to understand the intent of data. This involves looking for "behavioral drift," where a request may look legitimate on the surface but is actually designed to manipulate the LLM.
  • AI-Driven Defenses: The video discusses modern defense strategies, such as:
    • Using computer vision at the browser level to detect phishing attempts.
    • Validating identities and using contextual governance to prevent "agent impersonation" (where a malicious actor mimics an authorized AI agent).
    • The collaboration between Menlo Security and Google Cloud to strengthen AI-driven browser security.

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