Confirmed breach

BASS Medical Group data breach

USUnited States · bassmedicalgroup.com

BASS Medical Group (United States) notified the California Attorney General of a data breach on 22 October 2026. The breach began on 4 September 2026, 48 days before it was reported.

Status: Confirmed breach
People affected: Not reported yet
Reported: 22 October 2026
Breach began: 4 September 2026
Time to tell: 48 days

What was exposed

The register’s list does not say what was exposed; the notice it links to (under Sources) usually does.

How it happened

How: Ransomware source
Attacker: Booba Project (claimed on its own leak site) source

Sources

If BASS Medical Group had your data

Look for BASS Medical Group’s own notice or letter: it should say what of yours was involved. Keep it.
The register’s list does not say what was exposed; the notice it links to (under Sources) usually does. If BASS Medical Group has a password of yours, change it now to be safe.
Expect scams that use your details: calls, texts or emails pretending to be BASS Medical Group, your bank or the police. Never give codes or passwords, never approve a sign-in you did not start, never move money.

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