The Eastern Herald reports:
A critical error in Microsoft’s flagship security platform has sent shockwaves across the global cybersecurity community, after Microsoft Defender wrongly flags DigiCert certs as Trojan, triggering widespread panic among enterprises and system administrators.
The issue emerged in early May 2026, when a faulty security intelligence update caused Defender to misidentify trusted DigiCert root certificates as malware. The detection, labeled Trojan:Win32/Cerdigent.A!dha, rapidly spread across Windows systems worldwide, leading to mass alerts and automated remediation actions.
What made the incident particularly alarming was not just the false alert but the consequences. Defender, acting on its own classification, began quarantining and in some cases removing critical certificates from the Windows trust store.
Read more at The Eastern Herald.
