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PIH Health Data Breach History

Healthcare United States
Website

PIH Health is a nonprofit integrated healthcare network based in Southern California (e.g., Whittier), operating hospitals, medical groups, and clinics.

This page shows all data breaches of PIH Health. View the complete breach timeline, records exposed, root causes, and AI breach risk score. BreachHistory tracks disclosed data breaches worldwide.

1Total breaches
17.0MRecords breached
December 2024Last breach
37 AI Breach Risk score Moderate

Data Breach Timeline — All PIH Health Breaches

PIH Health Data Breach Summary

This page tracks the PIH Health data breach history and cybersecurity incidents affecting PIH Health (United States). BreachHistory currently indexes 1 publicly disclosed or catalogued incident spanning 2026, with approximately 17.0 million records reported as exposed across all indexed events. These totals may include overlapping datasets or third-party estimates and should not be interpreted as unique affected users.

The PIH Health breach timeline includes major data breaches, cyber attacks, data leaks, credential exposures, API abuse, and other security incidents. Each incident provides details on the estimated records exposed, attack method, affected data types, and supporting public sources. Currently, 0 incidents are company-confirmed, while 1 remain unverified claims pending independent verification.

Largest PIH Health Data Breaches

The largest indexed incidents include the 2026 PIH Health — ransomware; SSNs, PHI, financial data (multi-million record claim). Record counts originating from threat actors or leak sites should be treated as estimates unless confirmed by PIH Health or a regulator. Below is the list of large data breaches:

What Information Was Exposed?

Depending on the incident, exposed data may include Social Security numbers and national IDs, health and medical (PHI) records, and other personal information (PII). The exact data varies between incidents, so review each breach page before assuming your information was affected.

PIH Health Data Breach 2026

At the time of this update, BreachHistory catalogues 1 2026 incident related to PIH Health. Most recent entry: 2026 PIH Health — ransomware; SSNs, PHI, financial data (multi-million record claim). New incidents are added as official disclosures, regulatory filings, or credible cybersecurity reports become available.

What To Do If You Were Affected

If you believe your account may have been involved in a PIH Health data breach, change any reused passwords, enable multi-factor authentication (MFA), monitor your account for suspicious activity, and be cautious of phishing emails or fake breach notifications.

This PIH Health breach history is maintained by BreachHistory using public disclosures, regulatory filings, security research, and clearly labelled third-party claims. For the complete breach timeline, records exposed, incident details, and AI Breach Risk Score, explore the sections on this page.

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