[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fe-h8nM49Osp7LVIYiVY_omj7Q3uPy2iuwHhUm2wouBs":3},{"success":4,"breach":5},true,{"_id":6,"name":7,"title":8,"slug":9,"domain":10,"company":11,"breachDate":15,"addedDate":16,"modifiedDate":17,"pwnCount":18,"totalRecords":19,"dataClasses":20,"description":26,"source":27,"isVerified":4,"isSpamList":28,"isSensitive":4,"severity":29,"processingStatus":30,"logoUrl":31,"contentUpdatedAt":16,"hasEnglishDescription":4},"6a67072b1a1373159ed6dd93","MarkelInsurance2026","Markel Insurance 2026 Data Breach","markel-insurance-2026","markel.com",{"name":12,"sector":13,"country":14,"website":10},"Markel Insurance","Financial Services","United States","2026-03-17T00:00:00.000Z","2026-07-27T07:22:19.090Z","2026-07-27T09:30:00.000Z",0,null,[21,22,23,24,25],"Personal information","Names","Social Security numbers","Driver’s license numbers","Medical information","\u003Cp>\u003Cstrong>The Markel Insurance 2026 data breach\u003C\u002Fstrong> was a confirmed security event in which an unauthorized actor used social engineering to deceive two employees and gain access to a limited portion of company systems. According to the consumer letter filed with the California Attorney General, unauthorized access occurred between March 17 and March 18, 2026, and Markel quickly detected and blocked the activity.\u003C\u002Fp>\n\u003Cp>Markel completed its data review on June 29, 2026, and consumer notices are dated July 2. A Texas record identifies 268 residents, but no deduplicated nationwide total was publicly disclosed. LeakData therefore does not invent an affected-person figure: pwnCount, totalRecords, and importedRecordCount are zero, and no person rows were imported.\u003C\u002Fp>\n\u003Ch2>How Was the Markel Insurance Breach Confirmed?\u003C\u002Fh2>\n\u003Cp>The primary verification is the California Attorney General data-breach record and the attached Markel consumer letter. The letter directly states the company name, social engineering of two employees, the March 17–18 access window, an investigation with third-party security experts, law-enforcement notification, and completion of the data review on June 29.\u003C\u002Fp>\n\u003Cp>Claim Depot links the Texas Attorney General record and reports 268 Texas residents and the confirmed information types. Its account aligns with the California filing's incident timeline and consumer-protection measures. LeakData does not add an unsupported ransomware claim, threat-group attribution, or specific phishing channel absent from the sources.\u003C\u002Fp>\n\u003Ch2>What Happened on March 17–18, 2026?\u003C\u002Fh2>\n\u003Cp>According to the official letter, an unauthorized actor used social engineering to deceive two Markel employees and gain access to a limited portion of company systems. Social engineering is the confirmed method; the public notice sample does not state whether the actor used email, telephone, messaging, or another communication channel.\u003C\u002Fp>\n\u003Cp>Markel quickly detected and blocked the unauthorized activity, began an investigation with third-party security experts, and notified law enforcement. The public letter does not say access continued after March 18. It also does not identify the technical systems involved, the privilege level of the employee accounts, or the actor.\u003C\u002Fp>\n\u003Ch2>What Information Was Affected?\u003C\u002Fh2>\n\u003Cp>Citing the official California and Texas disclosures, Claim Depot reports names, Social Security numbers, driver's license numbers, and medical information as affected fields. A name is visible in the public sample letter, while the other person-specific elements are masked with a custom-data placeholder. The same combination may not have applied to every recipient.\u003C\u002Fp>\n\u003Cp>The sources do not expressly confirm dates of birth, addresses, email addresses, phone numbers, passwords, bank accounts, payment cards, passport numbers, health-insurance numbers, diagnoses, or prescriptions for this event. Medical information remains a broad class; LeakData does not infer subfields from the redacted consumer sample or add data not identified by the sources.\u003C\u002Fp>\n\u003Ch2>How Many People Were Affected?\u003C\u002Fh2>\n\u003Cp>Claim Depot reports 268 Texas residents based on the Texas Attorney General record. The California filing verifies the event and provides the notice sample, but public sources do not provide a final, deduplicated figure for the entire United States. The state count cannot be presented as a national total, and coverage in other states is not fully disclosed.\u003C\u002Fp>\n\u003Cp>A zero figure on LeakData therefore does not mean nobody was affected; it indicates that no reliable nationwide total was published. For the same reason, the Texas count is not copied into pwnCount. This entry contains no person list, email address, SSN, driver's license number, or medical record. It publishes verified incident metadata only.\u003C\u002Fp>\n\u003Ch2>How Did Markel Respond?\u003C\u002Fh2>\n\u003Cp>The company analyzed the impacted data to identify the personal information involved and the individuals to whom it belonged, completing that process on June 29. Eligible notice recipients were offered two years of complimentary TransUnion and Cyberscout credit monitoring, credit-report and credit-score alerts, proactive fraud assistance, and identity-restoration services.\u003C\u002Fp>\n\u003Cp>The official letter gives an October 10, 2026 enrollment deadline and a recipient-specific activation code, which is masked in the public sample. Markel said it was further strengthening security and monitoring controls and continuing to enhance IT-security and data-privacy controls as threats evolve. A dedicated call center was established at 1-844-593-7757.\u003C\u002Fp>\n\u003Ch2>What Should Affected People Do?\u003C\u002Fh2>\n\u003Cp>Notice recipients should activate the complimentary service only through the official TransUnion\u002FCyberscout address with the unique code in their letter, then monitor credit reports, account statements, new-credit inquiries, and medical records for unfamiliar activity. If an SSN or driver's license number was involved, a credit freeze, fraud alert, and IRS IP PIN may be appropriate.\u003C\u002Fp>\n\u003Cp>Because the incident itself began with social engineering against employees, urgent activation, payment, or account requests claiming to represent Markel should be verified through an independent channel. Activation codes, SSNs, license details, or health information should not be shared by phone or message. LeakData does not host, distribute, or make searchable the impacted files, identifiers, medical information, or person records.\u003C\u002Fp>","California Attorney General filing and Markel notice confirming social-engineering access to systems containing personal information",false,"Low","completed","\u002Fuploads\u002Flogo\u002Fmarkel_com.svg"]