Social EngineeringPhishingCustomer Data InvolvedIDENTITY_BASICLowContained
Markel Insurance Group, LLC
bd_8c9ddf184adb79d0 · schema v1 · pii pii-v1
Full breach record for Markel Insurance Group, LLC →Markel Insurance reported that an unauthorized actor used social engineering to deceive two employees, gaining access to a limited portion of systems between March 17-18, 2026. The activity was quickly detected and blocked. Investigation determined that names and other personal information were obtained. The company is offering two years of complimentary credit monitoring and identity restoration services through TransUnion.
California clockDiscovered Mar 18, 2026 → Notified Jul 2, 2026106d ✗ CA 30-day late15 weeks discovery → filing
This filing is one of 2 about the same incident.View merged incident
Linked disclosures
Why this link?Regulatory filings (1) · sorted by filing gap
- bd_09f9975787cc4a29Texas State AGfiled 2026-07-07(5d gap)Candidate
Source provenance
- Source URL
- https://oag.ca.gov/ecrime/databreach/reports/sb24-625932
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
- Filed at
- Jul 2, 2026
- Raw hash
- 6b803d158da620bbfc791300e3085ba7d9e9b0e399d5260f92b51c8f02d5f6d7
Reporting entity
- Name
- Markel Insurance Group, LLCnorm: markel insurance
Victim entity
- Name
- Markel Insurance Group, LLCnorm: markel insurance
Incident
- Discovered
- Mar 18, 2026
- Materiality determined
- —
- Notification sent
- Jul 2, 2026
- Affected individuals
- Not disclosed
- Data types
- IDENTITY_BASIC
- Attack vector
- Unknown
- MITRE ATT&CK
- T1566 Phishing
- Threat actor
- External
- Initial access
- phishing_link
Compliance
- Time to disclose
- 15 weeks(106 days from discovery to filing)
- Compliance flags
- CA 30-day late · 106dCA AG copy ≤15d · 0d
- Discovery-date grounding
- letter-groundedThe discovery date is the detection date narrated in the notification letter — the defensible tier.
- Clock breakdown
Statute Window Elapsed Threshold Status California Discovered: Mar 18, 2026→ Notified: Jul 2, 2026106d 30 calendar days CA 30-day late California Consumers notified: Jul 2, 2026→ AG copy submitted: Jul 2, 20260d 15 calendar days CA AG copy ≤15d
Extraction provenance
- Status
- No extraction artifact recorded for this disclosure.