Cerner Corporation

Cerner Corporation reported a data breach to the Vermont Attorney General. The breach was reported to the AGO on 2026-10-05. The reporting organization type is Health Care. 2,464 Vermont residents were affected. Categories of data breached: Social Security Numbers, Health Records.

Cerner Corporation based in Kansas City, Missouri, a healthcare – medical provider entity reported a data breach to the Texas Attorney General. The breach was discovered on 2025-02-20 and reported on 2026-10-02. 2,992,244 Texas residents were affected. 19,929,149 individuals affected in total. Types of information involved: Address;Social Security Number Information;Medical Information. Consumers were notified via U.S. Mail.

Cerner Corporation based in Kansas City, Missouri, a healthcare – medical provider entity reported a data breach to the Texas Attorney General. The breach was discovered on 2025-02-20 and reported on 2026-07-07. 2,658,388 Texas residents were affected. 18,565,730 individuals affected in total. Types of information involved: Name of individual;Address;Social Security Number Information;Medical Information. Consumers were notified via U.S. Mail.

Cerner Corporation reported a data breach to the Oregon Attorney General. The breach was reported on 2026-07-06. The breach occurred during 1/22/2025 - 4/1/2025. The breach was discovered on 2/20/2025. 8,329 individuals were affected. Notice was sent on 6/22/2026.

Cerner Corporation submitted a supplemental breach notification to the New Hampshire Attorney General on June 22, 2026, updating the count of affected individuals to 60,247 NH residents. The incident involved unauthorized access to legacy Cerner systems starting January 22, 2025, discovered on March 7, 2025. Affected data included names, SSNs, and PHI. Notification letters were mailed starting July 25, 2025, offering 24 months of credit monitoring.

CERNER CORPORATION filed a data-breach notice with the Illinois Attorney General in June 2026 (case 26-06-1283). The register records the breach as discovered on February 20, 2025. Personal information types reported: medical information, ssn. Illinois does not publish the number of people affected — 815 ILCS 530/10 permits the Attorney General to publish only the entity name, the types of personal information and the date range.

Cerner Corporation notified the New Hampshire Attorney General of a security incident involving unauthorized access to PHI on legacy systems. The breach affected approximately 58,823 NH residents, exposing names, SSNs, and medical records. Access occurred as early as Jan 22, 2025; discovered Feb 20, 2025. Notifications began June 13, 2025. Law enforcement requested notification delays. Cerner engaged forensic specialists, reset credentials, and implemented network isolation. Affected individuals received credit monitoring and identity restoration services.

CERNER CORPORATION filed a data-breach notice with the Illinois Attorney General in August 2025 (case 25-08-346). The register records the breach as discovered on February 20, 2025. Personal information types reported: biometric data, drivers license, medical information, ssn. Illinois does not publish the number of people affected — 815 ILCS 530/10 permits the Attorney General to publish only the entity name, the types of personal information and the date range.

Cerner Corporation based in Kansas City, Missouri, a healthcare – medical provider entity reported a data breach to the Texas Attorney General. The breach was discovered on 2025-02-20 and reported on 2025-07-28. 4,082 Texas residents were affected. 1,970,332 individuals affected in total. Types of information involved: Name of individual;Address;Social Security Number Information;Medical Information. Consumers were notified via U.S. Mail.

Unauthorized third party gained access to legacy Cerner EHR systems beginning at least January 22, 2025, obtaining patient personal information including names, Social Security numbers, medical record numbers, diagnoses, medications, and test results. A healthcare provider (the reporting entity's client) was notified on March 7, 2025. Federal law enforcement requested a delay in patient notification pending investigation. Notices were sent July 25, 2025.

Cerner Corporation, an EHR vendor, disclosed a data breach affecting patient information. Unauthorized access occurred on or around January 22, 2025, discovered by Cerner on March 7, 2025. Affected data included names, SSNs, and PHI. Federal law enforcement requested a notification delay. Cerner engaged forensic specialists and law enforcement, offering 24 months of credit monitoring to affected individuals. Notifications were sent in July 2025.

Cerner Corporation reported a data breach to the Oregon Attorney General. The breach was reported on 2025-07-25. The breach occurred during 1/22/2025 - 4/1/2025. The breach was discovered on 2/20/2025. 1,970,332 individuals were affected. Notice was sent on 7/25/2025.

Cerner Corporation reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2025-07-25. 15,059 Massachusetts residents were affected.

Cerner Corporation, an EHR vendor, experienced unauthorized access to legacy systems starting Jan 22, 2025. The reporting entity, Anytown Health System, learned of the breach on March 7, 2025. Federal law enforcement requested a delay in notification. Data exposed included names, SSNs, and PHI. 69,238 Washington residents affected. Notification sent July 25, 2025.

Cerner Corporation reported an unauthorized third-party access to legacy EHR systems starting Jan 22, 2025, discovered March 7, 2025. Data included names, SSNs, and PHI. Federal law enforcement delayed notification. Cerner engaged forensic specialists and offered 24 months of credit monitoring.

Cerner Corporation (MO), a Business Associate now operating as part of Oracle Corporation following a 2022 acquisition, reported to HHS OCR on 2025-06-17 a Hacking/IT Incident affecting 501 individuals. Breached information was located on a Network Server. The investigation has since closed as Cerner is no longer a covered entity. PHI of 501 individuals was compromised.