Oracle Health
Oct 2026 · Graded Attested · Healthcare and Life Sciences · Beyond the filings
Incident summary
Oracle HealthOct 2026
Not yet quantified
AAttestedPatient records sat on legacy Cerner servers that Oracle Health inherited with its $28.3 billion acquisition, and a 2025 hack reached names, Social Security numbers, diagnoses, medicines, test results, and images. The Texas attorney general's figure puts the toll near 20 million people, while the federal tally still shows a placeholder of 501 as reported to HHR by Oracle in June 2025. One server, one account, one password = 20 million records lost. Built wrong, defined.
Healthcare and Life Sciences
Oracle Health's Cerner EHR Breach Figure Soars to 20 Million
Initial attack type compromised credentials inferred · Impact data theft confirmed
About this record
This incident is beyond the filings: attributed to a company statement, a regulator or court record, or a news report, and graded Attested or Inferred. Every figure links to the source it was read from; if we have read one wrong, tell us at info@hackerinahoodie.com. This index never sums figures across incidents. See the methodology.