Google Chrome Introduces "Agent Origin Sets" to Secure AI Browsing
New browser architecture aims to sandbox autonomous agents against indirect prompt injection attacks.
The Threat of Indirect Injection
As AI agents gain the ability to browse the web and execute transactions, they face a new class of security threats. On December 8, Google's security team published a framework addressing "indirect prompt injection." In this attack scenario, a malicious website hides invisible text or instructions designed to trick an AI agent—not the human user—into performing unauthorized actions, such as exfiltrating data or transferring funds.
The Defense: Origin Sets
To counter this, Google Chrome is introducing "Agent Origin Sets," a security architecture derived from the "Site Isolation" principles used in standard web browsing. …
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