'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.

Commercial risk teams are responding with tighter controls, scenario modeling, and broader collaboration across underwriting, claims, and cyber operations.

Leaders continue to prioritize resilience planning while balancing cost, coverage terms, and operational exposure in a changing market cycle.