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Is Cisco Umbrella Chromebook client (Ext) safe?

This security report analyses whether Cisco Umbrella Chromebook client (Ext) is safe to install on your browser. We check Cisco Umbrella Chromebook client (Ext) for malicious behaviour, data exfiltration, suspicious permissions, and known vulnerabilities so you can decide if Cisco Umbrella Chromebook client (Ext) is safe for your personal or enterprise fleet.

Low risk

Enterprise DNS filtering extension that communicates with a local companion app to block access to malicious domains. Contains a postMessage listener without origin validation that accepts control messages from a companion Chrome app.

v1.3.4Chrome Web Store
0Risk

AI-generated. Findings may contain errors. Those marked Verified have been manually reviewed.

Publishers can request a review.

Updated 10 April 2026jcdhmojfecjfmbdpchihbeilohgnbdci

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