Tuesday, 6 October 2026 Updated 1 hour ago
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MCP for agent-to-agent comms may be the riskiest protocol you've never heard of

The adoption of AI agents in millions of organizations is creating new opportunities for attackers to make them take malicious actions, such as exfiltrating…

Image accompanying the story: MCP for agent-to-agent comms may be the riskiest protocol you've never heard of
Image: Getty Images · via Ars Technica

According to Ars Technica, the adoption of AI agents in millions of organizations is creating new opportunities for attackers to make them take malicious actions, such as exfiltrating database contents and sensitive business and personal information.

In the past five months, Google and four other organizations—with little in common except for their use of AI agents—have acknowledged vulnerabilities that exploit one agent inside a targeted network to spread harmful instructions to other internal agents.

This technology story centres on the United States. Names and organisations mentioned in the coverage include MCP, AI and Google.

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Key details

Location
United States · Americas
Reported by
Ars Technica
First reported
Key names
MCP, AI, Google, LLM
Section
Technology

Sources

This is an independent summary. Read the full, original reporting from the publisher:

Read the full story at Ars Technica

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