Humana Data Breach History

This page tracks the Humana data breach history and cybersecurity incidents affecting Humana (United States). BreachHistory currently indexes 9 publicly disclosed or catalogued incidents spanning 2006 through 2024, with approximately 43 thousand 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 Humana 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.

Largest Humana Data Breaches

The largest indexed incidents include the 2006 — Humana: Personal information of Humana customers enrolled…, the 2018 — Humana: Information on this security breach is provided by…, and the 2017 — Humana: Location of breached information: Unauthorized…, along with additional historical incidents involving exposed passwords, public databases, and large-scale data scraping. Record counts originating from threat actors or leak sites should be treated as estimates unless confirmed by Humana or a regulator. Below is the list of large data breaches:

• 2006 2006 — Humana: Personal information of Humana customers enrolled… — about 17.0K records exposed · Catalogued incident
• 2018 2018 — Humana: Information on this security breach is provided by… — about 6.8K records exposed · Catalogued incident
• 2017 2017 — Humana: Location of breached information: Unauthorized… — about 5.8K records exposed · Catalogued incident
• 2016 2016 — Humana: Location of breached information: Unauthorized… — about 3.7K records exposed · Catalogued incident
• 2014 2014 — Humana: Humana has notified Atlanta customers of a data… — about 3.0K records exposed · Catalogued incident
• 2015 2015 — Humana: Humana is notifying Wisconsin members of a breach… — about 2.8K records exposed · Catalogued incident
• 2010 2010 — Humana: Paper records involving information from business… — about 2.6K records exposed · Catalogued incident
• 2019 2019 — Humana: Location of breached information: Unauthorized… — about 863 records exposed · Catalogued incident

What Information Was Exposed?

Depending on the incident, exposed data may include email addresses, names, physical addresses, and other personal information (PII). The exact data varies between incidents, so review each breach page before assuming your information was affected.

Humana Data Breach 2026

At the time of this update, no Humana data breach has been catalogued for 2026. 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 Humana 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 Humana 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.