Microsoft Defender flags DigiCert certificates as malware

Microsoft Defender's flawed update quarantined DigiCert root certificates, disrupting secure Windows connections worldwide and triggering massive trust failures

Key takeaways

• Microsoft Defender Mistakenly Removes DigiCert Root Certificates Globally
• Microsoft Defender triggered a security crisis this week after a botched signature update flagged two core DigiCert root certificates as malware, stripping them from W...
• These root certificates anchor trust for millions of encrypted connections and signed applications. Their sudden quarantine and removal by Defender didn’t just trigger...
• The timing couldn’t be worse, with DigiCert holding a 25% market share in SSL root certificates for the world’s top 1,000,000 websites. Defender’s error essentially ya...

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Canonical source: https://mlxio.com/cybersecurity/microsoft-defender-flags-digicert-certificates-malware