Microsoft Defender Bug Triggers False Malware Alerts for DigiCert Certificates
2026-05-05T08:51:56Z•9537c854bb05a2ed7829d62df2fe5c15034ebddf5af7726ec0b55c3978147645
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What happened
This TechRepublic feed aggregates multiple significant security developments from late Apr–early May 2026: Microsoft fixed a Defender false positive that mistakenly flagged legitimate DigiCert certificates, disrupting some Windows trust stores; Google released a Chrome update addressing 30 vulnerabilities (four labeled Critical); Microsoft confirmed a Windows zero-click flaw tied to an incomplete patch is being actively exploited. Large-scale data incidents include a claimed Canvas breach affecting ~275M users and nearly 9,000 schools, an ADT breach exposing millions of customer records (names
Why it matters
A reviewed impact interpretation has not been published for this record.
Evidence and limitations
- Source ID
- techrepublic_security
- Record identifier
- 9537c854bb05a2ed7829d62df2fe5c15034ebddf5af7726ec0b55c3978147645
- Enrichment time
- 2026-05-05T08:51:56Z
- AI-assisted enrichment
- Yes
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