Denver Health Medical Plan Data Breach History

This page tracks the Denver Health Medical Plan data breach history and cybersecurity incidents affecting Denver Health Medical Plan (United States). BreachHistory currently indexes 1 publicly disclosed or catalogued incident spanning 2026, with approximately 238 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 Denver Health Medical Plan 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 Denver Health Medical Plan Data Breaches

The largest indexed incidents include the 2026 Denver Health Medical Plan — vendor SquareML access key exposed on a public w…. Record counts originating from threat actors or leak sites should be treated as estimates unless confirmed by Denver Health Medical Plan or a regulator. Below is the list of large data breaches:

• 2026 2026 Denver Health Medical Plan — vendor SquareML access key exposed on a public website; health data of 238,083 members — about 238.1K records exposed · Catalogued incident

What Information Was Exposed?

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

Denver Health Medical Plan Data Breach 2026

At the time of this update, BreachHistory catalogues 1 2026 incident related to Denver Health Medical Plan. Most recent entry: 2026 Denver Health Medical Plan — vendor SquareML access key exposed on a public website; health data of 238,083 members. 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 Denver Health Medical Plan 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 Denver Health Medical Plan 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.