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MonitoringCalifornia AG filing · September 17, 2026

Partnership HealthPlan of California Reports Data Exposure

Partnership HealthPlan of California reported a data breach on September 17, 2026, following an incident on May 13, 2026. This event involved the potential exposure of personal information, prompting individuals to remain vigilant regarding their digital security.

State
California
Breach date
May 13, 2026
Reported
September 17, 2026

What may have been exposed

  • Full Name
  • Date of Birth
  • Social Security Number
  • Medical Record Number
  • Health Insurance ID Number
  • Diagnosis and Treatment Information
  • Prescription Information
  • Home Address and Contact Information

Partnership HealthPlan of California formally reported a data breach on September 17, 2026. The organization indicated that an incident occurring on May 13, 2026, resulted in the exposure of personal information. This disclosure was made through public filings to regulators in California.

The official notification does not specify the exact types of data involved in this breach. Consequently, affected individuals should understand that various forms of their personal information may have been compromised. The nature of the breach itself was also not detailed in the available records, filed simply as 'unspecified.'

As of the filing date, the investigation into this incident is listed as 'monitoring,' suggesting ongoing efforts to understand or mitigate the situation. The precise number of individuals impacted by this event was not disclosed in the public records.

Individuals who may have been affected by this breach are advised to take general precautionary measures. These include carefully monitoring financial statements and credit reports for any suspicious activity, reviewing explanation of benefits statements, and being cautious of unsolicited communications, especially those requesting personal details.

Maintaining strong, unique passwords for online accounts and enabling multi-factor authentication wherever possible are also recommended steps to enhance personal data security in light of such incidents.

Source: California Attorney General filing

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