Markel Insurance Data Breach Exposes Both PHI and PII

Markel Insurance, the specialty insurance arm of Markel Group Inc, has disclosed a data breach that exposed sensitive personal and medical information. The company is a global specialty insurer and reinsurer headquartered in Glen Allen, Virginia, near Richmond, focused on insuring risks for commercial and niche markets.

The breach was reported to the Texas Attorney General on July 7, 2026, impacting at least 268 Texas residents.

The breach at Markel Insurance resulted in the exposure of several categories of sensitive consumer information including Social Security numbers, driver's license numbers and medical information.

The exposure of both PII and PHI in this incident means affected individuals may need to monitor for multiple forms of identity misuse.

Markel Insurance's response to the breach

Markel Insurance has taken steps to notify affected individuals about the data breach. The company is sending notification letters by U.S. Mail.

Individuals who receive a notification letter from Markel Insurance should read it carefully and follow any instructions included. The letter serves as the company's primary method of communicating with those whose information was involved in the breach.