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BREACH BRIEF🟠 High Advisory

Symantec DLP Integration with Google Cloud Agent Gateway Mitigates AI Agent Data Exfiltration Risk

Symantec (Broadcom) now embeds enterprise DLP inspection into Google Cloud’s Agent Gateway, enabling real‑time protection against data leaks from autonomous AI agents. The move expands control coverage to a rapidly growing attack surface, a critical consideration for third‑party risk programs.

LiveThreat™ Intelligence · 📅 April 22, 2026· 📰 security.com
🟠
Severity
High
AD
Type
Advisory
🎯
Confidence
High
🏢
Affected
3 sector(s)
Actions
3 recommended
📰
Source
security.com

Symantec DLP Integration with Google Cloud Agent Gateway Mitigates AI Agent Data Exfiltration Risk

What Happened — Symantec (Broadcom) announced a native integration with Google Cloud’s Agent Gateway that embeds enterprise DLP inspection directly into the communication layer of autonomous AI agents. The solution inspects LLM prompts, tool‑call payloads, and inter‑agent traffic in real‑time, extending existing DLP policies without code changes.

Why It Matters for TPRM

  • AI‑driven agents are rapidly expanding the data‑exfiltration surface across all enterprise workloads.
  • Traditional DLP points (endpoints, SaaS apps) miss “in‑flight” agent traffic, creating blind spots for third‑party risk assessments.
  • Real‑time, network‑level enforcement gives organizations a measurable control to evaluate vendor‑provided AI services.

Who Is Affected — Enterprises across all sectors that rely on AI agents, large‑scale SaaS platforms, and third‑party AI service providers.

Recommended Actions — Review current DLP coverage for AI‑related data flows, map vendor AI agents to the new enforcement point, and validate that contractual security controls include network‑level DLP for agent traffic.

Technical Notes — The integration leverages Google’s Agent Gateway to intercept Model Context Protocol (MCP) calls, applying existing Symantec EDM/IDM signatures to LLM prompts, API calls, and tool delegations. No new CVEs are involved; the risk is architectural—unmonitored agentic data flows. Source: Broadcom Symantec Blog

📰 Original Source
https://www.security.com/feature-stories/symantec-dlp-google-agent-gateway-agentic-ai-security

This LiveThreat Intelligence Brief is an independent analysis. Read the original reporting at the link above.

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