Healthcare

High

monitoring

Updated 9 days ago

Partnership HealthPlan of California Data Breach

▼ Key takeaways

•Reports suggest a potential breach involving Partnership HealthPlan of California.
•Discovered on September 19, 2026.
•Possible data exposed: Name, Date of Birth, Member ID Number.
•Affects individuals in: California.
•Confirmation level: Confirmed by regulators.

Breach confirmed

The Partnership HealthPlan of California breach is confirmed. If you may be affected, add your details below and we will take it from there.

Detailed summary

In 2026, Partnership HealthPlan of California experienced a privacy incident related to mailings sent between May 13, 2026, and July 8, 2026. The company discovered the incident on July 7, 2026, and began notifying affected consumers on July 8, 2026.

The incident affected 1,526 members, with exposed data limited to names, dates of birth, and member identification numbers. Medical data such as treatment details or diagnoses were not listed as exposed, and financial data was not involved. No Social Security Numbers were compromised.

Partnership HealthPlan of California contained and investigated the incident, secured affected records, strengthened safeguards, and provided additional training. The company reported the incident to applicable regulatory agencies, and the California Attorney General has posted the official breach notification letter.

Data possibly involved

Name
Date of Birth
Often used in combination with other data for identity theft
Member ID Number

Company Response Timeline

Response Grade

Notified consumers within 30 days of discovery

Breach Occurred

May 13, 2026

Company Discovered

Jul 7, 2026

Regulator Notified

Unknown

Consumers Notified

Jul 8, 2026

55 days to discover

1 days to notify consumers

Breach Verification Status

Reports Only

Complete

Initial dark web reports of potential breach

Company Confirmed

Complete

Company has acknowledged the breach

Regulator Confirmed

Current

Confirmed by regulatory authorities

Note: Breach verification can take time. Information may evolve as more details become available from companies and regulators.

Case Status:

Monitoring

We're monitoring this situation for developments.

Were You Affected By This Breach?

If you are a customer or have received a data breach notification, you may submit your information as part of our ongoing investigation. Submitting your information is free and does not obligate you.

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Check Your Risk Level

Answer a few questions to understand how this breach might affect you

Do you use Partnership HealthPlan of California?

Yes

What state are you in?

What should I do?

Change your passwords

Update passwords for the affected service and any accounts using the same password

Enable two-factor authentication

Add an extra layer of security to your accounts

Monitor your accounts

Watch for suspicious activity on your financial and online accounts

Watch for phishing attempts

Be cautious of emails or messages claiming to be from the affected company

Consider a credit freeze

Prevent unauthorized access to your credit report

Scan your email for other exposures

Check whether this address shows up in other known breaches. Free, no account.

Get your info off data-broker sites

Data Shield files removal requests with every broker that accepts an authorized agent, and gives you the exact link or letter for the brokers that only accept requests from you.

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