Skip to content

Central Texas Medical Specialists

Disclosed Aug 21, 20215 years ago36,503 affectedConfirmed

Official notice

The covered entity (CE), Central Texas Medical Specialists, dba Austin Cancer Centers, reported that it experienced a ransomware attack that affected the protected health information (PHI) of 36,503 individuals. The PHI involved included names, dates of birth, addresses, Social Security numbers, claims information, diagnoses, medications, and other treatment information. The CE notified HHS, affected individuals, the media, and provided substitute notice. In response to the breach, the CE implemented additional administrative, technical, and security safeguards. During the investigation, OCR provided the CE with technical assistance regarding the requirements of the HIPAA Security Rule.

What is known

People affected36,503 (as reported by the organization)
DisclosedAug 21, 2021
HappenedJul 21, 2021
AttackHacking
Data exposedNames, Health
SectorHealthcare · US
StatusConfirmed

Sources

Notices filed

WhereFiledPeople
Indiana AGresidents of INAug 21, 202113
HHS archivetotalSep 10, 202136,503
History of this record
  • 2026-09-25 · attack: unknown to hacking · backfill source
  • 2026-09-25 · data_types: [] to ["names","health"] · backfill source
  • 2026-09-25 · summary: empty to The covered entity (CE), Central Texas Medical Specialists, dba Austin Cancer Centers, reported that it experienced a ransomware attack that affected the protected health information (PHI) of 36,503 individuals. The PHI involved included na · backfill source
  • 2026-09-25 · added · backfill source

First seen 2026-09-25 (Indiana AG), confirmed by Indiana AG. Record counts are as reported. Not legal advice.

Everything about Central Texas Medical Specialists

New breaches by email

Wednesdays, only in weeks with newly disclosed breaches, the largest first.

Double opt-in. Unsubscribe any time.