Incident tracker

Recent cyber attacks and data breaches

DisclosedCompanyWhat happenedTypeRecordsSource
2026-07-31Aesto, LLC

Healthcare

Aesto, LLC: a health data breach

Aesto, LLC, a business associate in AL, reported a breach of health information affecting 9,540,683 people to the US Department of Health and Human Services on July 31, 2026. HHS records the breach type as hacking/it incident, involving network server.

Data breach
9,540,683HHS Office for Civil Rights
2026-07-31Manning Regional Healthcare Center

Healthcare

Manning Regional Healthcare Center: a health data breach

Manning Regional Healthcare Center, a healthcare provider in IA, reported a breach of health information affecting 746 people to the US Department of Health and Human Services on July 31, 2026. HHS records the breach type as hacking/it incident, involving email.

Data breach
746HHS Office for Civil Rights
2026-07-31A-O-M-S, P.L.L.C. d/b/a Arkansas Oral & Maxillofacial Surgeons

Healthcare

A-O-M-S, P.L.L.C. d/b/a Arkansas Oral & Maxillofacial Surgeons: a health data breach

A-O-M-S, P.L.L.C. d/b/a Arkansas Oral & Maxillofacial Surgeons, a healthcare provider in AR, reported a breach of health information affecting 64,831 people to the US Department of Health and Human Services on July 31, 2026. HHS records the breach type as hacking/it incident, involving network server.

Data breach
64,831HHS Office for Civil Rights
2026-07-31Interim HealthCare of Oklahoma City, Inc.

Healthcare

Interim HealthCare of Oklahoma City, Inc.: a health data breach

Interim HealthCare of Oklahoma City, Inc., a healthcare provider in OK, reported a breach of health information affecting 500 people to the US Department of Health and Human Services on July 31, 2026. HHS records the breach type as hacking/it incident, involving email, network server.

Data breach
500HHS Office for Civil Rights
2026-07-31AMGEN INCAMGN

Biological Products, (No Diagnostic Substances)

AMGEN INC disclosed a material cybersecurity incident

Amgen Inc. notified the California Attorney General of a data breach on August 17, 2026, with the breach dated July 1, 2026. The notice covers more than 500 California residents; California does not publish the exact number.

Regulatory filing
Not disclosedSEC EDGAR

+1 more

2026-07-30SM Energy CompanySM Energy Company: a data breach

SM Energy Company notified the California Attorney General of a data breach on July 30, 2026, with the breach dated May 15, 2026. The notice covers more than 500 California residents; California does not publish the exact number.

Data breach
Not disclosedCalifornia Attorney General
2026-07-30Microcode, Inc. (CommonSpirit Health)Microcode, Inc. (CommonSpirit Health): a data breach

Microcode, Inc. (CommonSpirit Health) notified the Washington State Attorney General on July 30, 2026 of a data breach that occurred on January 19, 2026, affecting 4,096 Washington residents. Information involved: Name, Social Security Number, Driver's License or Washington ID Card Number, Financial & Banking Information, Full Date of Birth, Passport Number, Medical Information.

Data breach
Not disclosedWashington State Attorney General
2026-07-30Pennsylvanie Dermatology Partners

Healthcare

Pennsylvanie Dermatology Partners: a health data breach

Pennsylvanie Dermatology Partners, a healthcare provider in MD, reported a breach of health information affecting 500 people to the US Department of Health and Human Services on July 30, 2026. HHS records the breach type as hacking/it incident, involving network server.

Data breach
500HHS Office for Civil Rights
2026-07-30MPS Enterprises, Inc.

Healthcare

MPS Enterprises, Inc.: a health data breach

MPS Enterprises, Inc., a health plan in TX, reported a breach of health information affecting 675 people to the US Department of Health and Human Services on July 30, 2026. HHS records the breach type as hacking/it incident, involving network server.

Data breach
675HHS Office for Civil Rights
2026-07-29Clinical Registry SolutionsClinical Registry Solutions: a data breach

Clinical Registry Solutions notified the California Attorney General of a data breach on July 29, 2026, with the breach dated April 9, 2026. The notice covers more than 500 California residents; California does not publish the exact number.

Data breach
Not disclosedCalifornia Attorney General

+2 more

About this tracker

435
Incidents
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Ransomware gang claims
733
Last 30 days
401
Companies tracked
2,742,501,669
Records disclosed