People search Elevance Health data breach timeline because regulated data and trust are existential—one incident triggers class actions and regulator exams. BreachHistory indexes 9 Elevance Health-linked incidents, with headline counts up to 80M+ in catalog rows. This page maps every attested event through 2026 with internal links to canonical records.
Why Elevance Health breach history matters
Elevance Health operates in Healthcare. Across indexed rows, recurring themes include cloud and database misconfiguration. Understanding the chronological pattern helps security teams, customers, and regulators separate confirmed disclosures from forum marketing.
Full timeline through 2026
2017 — — Anthem: A data breach may have exposed personal health…
Cataloged incident. A data breach may have exposed personal health information of more than 18,000 Anthem Medicare enrollees, after one of the insurer's health care consulting firms discovered that one of its employees had been involved in identity theft.Anthem says it was contacted about the breach by the consulting firm LaunchPoint Ventures on June 14. LaunchPoint discovered two months earlier that one of its employees had been involved in involved in a case of identity theft, and further investigation discovered Exposed categories include Personal information. BreachHistory cites approximately 19K+ affected records in this row. See the anthem2017 and canonical BreachHistory entry.
2016 — — Anthem: Data breach reported, 80.0M records
Cataloged incident. Data breach reported. Reference: http://www.anthemfacts.com/faq BreachHistory cites approximately 80M+ affected records in this row. See the anthem2016 and canonical BreachHistory entry.
2015 — — Anthem: Anthem, the second largest health insurance company…
Cataloged incident. Anthem, the second largest health insurance company operating under Anthem Blue Cross, Anthem Blue Cross and Blue Shield Amerigroup and Healthlink has suffered a massive data breach.The company announced that they have been the victim of a very sophisticated external cyber attack on their system. The information compromised includes names, birthdays, medical ID's, Social Security Numbers, street addresses, e-mail addresses, employment and income information. Over the next several weeks, those wh Exposed categories include Personal information. BreachHistory cites approximately 80M+ affected records in this row. See the anthem2015 and canonical BreachHistory entry.
2015 — — Anthem: Feb 2015: Names, dates of birth, member ID/ social…
Cataloged incident. Feb 2015: Names, dates of birth, member ID/ social security numbers, addresses, phone numbers, email addresses and employment information. BreachHistory cites approximately 80M+ affected records in this row. See the anthemu and canonical BreachHistory entry.
2014 — — Anthem: Anthem Blue Cross in California sent text emails…
Cataloged incident. Anthem Blue Cross in California sent text emails with personal details about individuals health information and member specific demographic information such as age, language spoken, specific medical test received or not received as part of the text message.The company is reviewing whether or not they have to report this information as part of the specific notification laws in California, which does include the breach of medical history, mental or physical condition, medical treatment or diagnosi Exposed categories include Personal information. No attested victim count is published for this row yet. See the anthem2014 and canonical BreachHistory entry.
2013 — — Anthem: A Connextions employee used Social Security numbers…
Cataloged incident. A Connextions employee used Social Security numbers from a number of other organizations for criminal activity. At least four members of Anthem Blue Cross and Blue Shield were affected by the criminal activity. The breach was reported on HHS as affecting 4,814 patients, but more were affected. Exposed categories include Personal information. BreachHistory cites approximately 6K+ affected records in this row. See the anthem2013 and canonical BreachHistory entry.
2011 — — Anthem: Letters soliciting dental and vision coverage were…
Cataloged incident. Letters soliciting dental and vision coverage were mailed to current Anthem customers. A priority code composed of the customer's Social Security number and two extra digits was printed on the outside of each envelope. One customer noticed the error and contacted the media. Anthem admits that an error occurred, but did not reveal the cause. Anthem is working to prevent this type of breach from happening again and was in the process of notifying customers of the error as of May 12. UPDATE (10/ Exposed categories include Personal information. BreachHistory cites approximately 31K+ affected records in this row. See the anthem2011 and canonical BreachHistory entry.
2010 — — Anthem: More than 200,000 Anthem Blue Cross customers this…
Cataloged incident. More than 200,000 Anthem Blue Cross customers this week received letters informing them that their personal information might have been accessed during a security breach of the company's website. Only customers who had pending insurance applications in the system are being contacted because information was viewed through an on-line tool that allows users to track the status of their application. Social Security and credit card numbers were potentially viewed. Anthem Blue Cross merged with WellP Exposed categories include Personal information. BreachHistory cites approximately 470K+ affected records in this row. See the anthem2010 and canonical BreachHistory entry.
2006 — — Anthem: A lockbox holding personal information of health…
Unverified claim — treat actor counts cautiously. A lockbox holding personal information of health insurance customers was stolen Oct. 26. Thieves broke into an office building occupied by insurance company vendor, Concentra Preferred Systems. The lockbox contained computer backup tapes of medical claim data for Aetna and other Concentra health plan clients. Exposed data includes member names, hospital codes, and either SSNs or Aetna member ID numbers. SSNs of 750 med Exposed categories include Personal information. BreachHistory cites approximately 396K+ affected records in this row. See the anthem2006 and canonical BreachHistory entry.
Patterns and analysis
- Cloud and database misconfiguration — appears across multiple Elevance 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
- Step 1: Enable phishing-resistant MFA on every account tied to this brand.
- Step 2: Use unique passwords and a password manager—breach rows often involve credential reuse.
- Step 3: Monitor official company breach notices and regulator filings, not dark-web downloads.
- Step 4: Watch for medical-ID theft and billing fraud after health-data incidents.
- Step 5: Bookmark the Elevance Health company page for new 2026+ disclosures.
Canonical BreachHistory hub
Explore every indexed row: breachhistory.com/elevance-health · Latest: anthem2017.
Sources: BreachHistory catalog (9 rows for Elevance Health), company and regulator disclosures cited in individual breach records.