'BigDiskBuster' Leaves Microsoft Defender Running While Blocking Updates
Not quite an EDR-killer, but the proof-of-concept cyber technique creates a silent virus detection gap while service runs normally, no exploit required.
Excerpt from the primary source: Dark Reading
Who is affected
Enterprises · Security professionals
Why it matters
Exploit code is public, which lowers the bar for attackers and often precedes real-world attacks.
Automated: stated only from CISA listings and the exploitation evidence in the sources below.
What you should do · Be aware
No immediate action is indicated. Share this with the relevant teams and watch for updates.
Automated guidance based on this story's classification. Check the linked advisories for specifics.
Sources
We link to original and authoritative sources. Headlines and excerpts belong to their publishers.
Original reporting
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