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cyber · Published brief

BigBear 2.0 reportedly hacked 258 Microsoft 365 organizations by disabling hardware security keys

The cyber threat actor BigBear 2.0 reportedly compromised 258 Microsoft 365 organizations after disabling hardware security keys.

By DoomRadar · Published on DoomRadar .

Why it matters

The campaign indicates a significant attack on cloud identity protections across many organizations.

Related source links

These links were collected with this event. Recorded source dates may reflect when a link was found. Article publication dates are shown only when available from the source. Open the originals for their full context.

  1. BigBear 2.0 Hacked 258 Microsoft 365 Organizations by Disabling Hardware Security Keys ↗techtimes.com · Recorded source date: Sep 8, 2026, 7:16 PM UTC

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