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Is Symantec Authentication Client Extension safe?

This security report analyses whether Symantec Authentication Client Extension is safe to install on your browser. We check Symantec Authentication Client Extension for malicious behaviour, data exfiltration, suspicious permissions, and known vulnerabilities so you can decide if Symantec Authentication Client Extension is safe for your personal or enterprise fleet.

Low risk

Enterprise authentication extension that bridges web pages to native Symantec PKI client via nativeMessaging. Uses <all_urls> access and postMessage without origin validation, creating potential for malicious website abuse.

v100.5.0.109Chrome Web Store
0Risk

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

Publishers can request a review.

Updated 10 April 2026ahgdclgdhfeingghldkedleghekbfhef

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