Browser SecurityManage SaaS Security PostureShadow AI Governance
Close the Browser Extension Gap in AI Acceptable Use Policies
Overview
Watch for data leaks in the browser by using SpinCRX and SpinOne extension monitoring. This closes the gap where tools on the device can't see info being sent to outside AI models.
Problem
- EDR and MDM enforce policies at the endpoint and file level; they have no visibility into the browser. Extensions bypass EDR entirely, don't appear in the identity provider, and route data to external LLMs outside the corporate perimeter with nothing for endpoint tools to detect. "The endpoint is not touched. EDR software notices nothing" (Crowdstrike). Most enterprise users have at least one extension installed; many grant high or critical permissions.
- Compounding this: extensions are controlled by external servers whose behavior can change after installation without notice. In early 2025, attackers compromised Chrome extension developers and injected malware into 35+ extensions, exposing 3.2 million users before detection (Forbes/Security Boulevard, 2025). An extension that cleared a policy review on day one may be weaponized in a silent future update.
Solution / Feature(s)
- Continuous AI risk scoring of browser extensions across Chrome, Edge, Firefox, and Safari
- Detection of extensions routing data to external LLMs or holding broad permission scopes
- Automated allow/block enforcement aligned to AI acceptable use policies
- Alerting when an extension's permissions or data destinations change post-installation
Outcome
Organizations enforce AI acceptable use policies at the browser layer where AI data exposure actually occurs — closing the gap EDR and MDM cannot reach.
