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Sutter Health Data Breaches: Full Timeline Through 2026

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People search Sutter Health data breach timeline because regulated data and trust are existential—one incident triggers class actions and regulator exams. BreachHistory indexes 4 Sutter Health-linked incidents, with headline counts up to 6K+ in catalog rows. This page maps every attested event through 2026 with internal links to canonical records.

Why Sutter Health breach history matters

Sutter Health operates in Healthcare (United States). Across indexed rows, recurring themes include mixed intrusion and disclosure events. Understanding the chronological pattern helps security teams, customers, and regulators separate confirmed disclosures from forum marketing.

Full timeline through 2026

2015 — — Sutter Health: Sutter Health has notified patients/customers of a…

Cataloged incident. Sutter Health has notified patients/customers of a data breach when they discovered that a former employee had emailed documents of individuals to a personal email address on April 26, 2013.The information in these electronic documents included names, dates of birth, insurance identification numbers, dates of services and billing codes. They have stated that no Social Security numbers, drivers' license or ID numbers, credit card or bank information was contained in these documents. Sutter Health Exposed categories include Personal information. No attested victim count is published for this row yet. See the sutter-health2015 and canonical BreachHistory entry.

2013 — — Sutter Health: Patients who visited Sutter Health's Alta Bates…

Cataloged incident. Patients who visited Sutter Health's Alta Bates Summit Medical Center, Sutter Delta Medical Center, or Eden Medical Center may have had their names, Social Security numbers, dates of birth, gender, addresses, zip codes, home phone numbers, marital status, names of employers, and work phone numbers exposed.  The Alameda County Sheriff's office notified Sutter Health of the potential breach on May 23.  It is unclear what the source of the breach might be.UPDATE (06/10/2013): The information was fo Exposed categories include Personal information. BreachHistory cites approximately 5K+ affected records in this row. See the sutter-health2013 and canonical BreachHistory entry.

2011 — — 4.2M records

Cataloged incident. Stolen computer. 4.2M records. Exposed categories include Names, emails, addresses, and other PII. BreachHistory cites approximately 42 affected records in this row. See the sutter-health2011 and canonical BreachHistory entry.

2009 — — Sutter Health: Hundreds of current and former employees with…

Cataloged incident. Hundreds of current and former employees with Sutter Health had their personal data compromised. The company's Sacramento Sierra region was contacted by a computer repair shop. The repair people did the right thing and told us they had our laptop, said Sutter Communication Coordinator. The laptop contained names and Social Security numbers of 6,000 Sutter Health workers. Exposed categories include Personal information. BreachHistory cites approximately 6K+ affected records in this row. See the sutter-health2009 and canonical BreachHistory entry.

Patterns and analysis

  • Mixed intrusion and disclosure events — appears across multiple Sutter Health catalog entries; prioritize controls that address this class of failure.
  • Record-count hygiene — BreachHistory indexes actor-cited figures separately from company-confirmed totals; read each row's technicalWriteup before treating counts as fact.
  • 2026 monitoring — New disclosures roll into this timeline as they are verified or labeled unverified per catalog policy.

What to do if you may be affected

  1. Step 1: Enable phishing-resistant MFA on every account tied to this brand.
  2. Step 2: Use unique passwords and a password manager—breach rows often involve credential reuse.
  3. Step 3: Monitor official company breach notices and regulator filings, not dark-web downloads.
  4. Step 4: Watch for medical-ID theft and billing fraud after health-data incidents.
  5. Step 5: Bookmark the Sutter Health company page for new 2026+ disclosures.

Canonical BreachHistory hub

Explore every indexed row: breachhistory.com/sutter-health · Latest: sutter-health2015.

Sources: BreachHistory catalog (4 rows for Sutter Health), company and regulator disclosures cited in individual breach records.