Did Markel Insurance have a data breach?

Answer

Yes. Markel Insurance reported a data breach to the CA Attorney General on July 2, 2026.

What the filing says

Reported to: CA Attorney General
Filing date: July 2, 2026
Breach date: March 17, 2026
People affected: Not stated in the filing

In plain terms

Markel Insurance has reported a data security incident affecting individuals in California. The breach was discovered on March 17, 2026, and the official filing was made on July 2, 2026. Those potentially affected should review public records for details regarding their personal information.

Markel Insurance has formally reported a data security incident to California state authorities. The company identified this event on March 17, 2026, and subsequently filed its official notice on July 2, 2026.

The specific types of personal information involved in this incident were not detailed in the public filing. Individuals who may have received a direct notification from Markel Insurance should carefully review that communication for any additional context regarding their data.

According to the filed report, the incident is currently under investigation. This ongoing process aims to understand the full scope and impact of the security event.

While the specific data types are not listed, it is always prudent for individuals to take general protective measures. These include remaining vigilant against unsolicited communications, monitoring personal accounts for suspicious activity, and being cautious about sharing personal information online or over the phone.

This information is derived from public data breach filings made with regulatory bodies in California.

Other filings by Markel Insurance

Companies often file the same breach in several states. Each filing is listed separately.

Commonly recommended next steps

Stay alert to targeted scams
Be cautious of calls, texts, or emails that reference this breach. Legitimate organizations won't ask you to confirm sensitive details through an unsolicited message.
Keep your notification letter
Save the notice you received. It documents that your information was involved and is often needed to enroll in any credit monitoring offered or to join a related legal claim.

Look up another company

Other breaches reported in CA

DataBreachSearch.com reports what was filed with state regulators. It is not legal advice, is not a law firm, and is not affiliated with any government agency or with Markel Insurance.