HackingFinancial ServicesFinanceCustomer Data InvolvedGovernment IDIdentity (basic)HighContained

Loudoun Mutual Insurance Company

bd_5586ee9c6b1ccb04 · schema v1 · pii pii-v1

Severity

High

Discovered

Mar 13, 2021

Filed

May 7, 2021

To disclose

8 weeks

Affected · nationwide

4,0713 in this filing

Linked

3 filings

Confidence

66%

Full breach record for Loudoun Mutual Insurance Company →

Loudoun Mutual Insurance Company reported an external system breach (hacking) occurring on March 1, 2021, discovered on March 13, 2021. The incident affected 4,071 individuals, including 3 Maine residents. Acquired data included names and Social Security Numbers. The company provided written notification on May 7, 2021, and offered 12 months of credit monitoring through Equifax.

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Maine clockDiscovered Mar 13, 2021 → Filed with AG May 7, 202155d ⏱ ME AG >30d8 weeks discovery → filing

⚠ unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Incident timeline

undetected · 12 days

discovery → filing · 8 weeks / 55 days

Mar 1, 2021

Begins

Mar 13, 2021

Discovered

May 7, 2021

Filed

vs. sector median

on median

This filing is one of 3 filings about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (2) · sorted by filing gap

Massachusetts State AGbd_09470961a021bae72021-05-07Verified
Montana State AGbd_3213f69b90c15c512021-05-07Candidate

Name: Loudoun Mutual Insurance Company
norm: loudoun mutual insurance

Name: Loudoun Mutual Insurance Company
norm: loudoun mutual insurance
Industry: Financial Servicesllm

Discovered: Mar 13, 2021
Breach occurred: Mar 1, 2021
Undetected for: 12 daysoccurrence → discovery
Materiality determined: —
Notification sent: May 7, 2021
Affected individuals: 4,071state + nationwide
Data types: Government IDIdentity (basic)
Data elements: Social Security number
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing Application
Threat actor: ExternalFinancial
Regulator citations: Filed data breach notice with Maine Attorney General's Office
Initial access: exploit_public_facing

During the incident: Sent written notification to affected individuals
Offered 12 months of Triple Bureau credit monitoring and identity theft prevention services through Equifax
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 8 weeks(55 days from discovery to filing)
Compliance flags: ME AG >30d · 55d
Discovery-date grounding: unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.
Clock breakdown: Statute Window Elapsed Threshold Status
Maine
Discovered: Mar 13, 2021
→ Filed with AG: May 7, 2021
55d 30 days (soft) ME AG >30d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Mar 13, 2021 → Filed with AG: May 7, 2021	55d	30 days (soft)	ME AG >30d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 3 filings · 3 states

View merged incident ↗

Massachusetts State AGMay 7 · first

Montana State AGMay 7 · first

Maine State AGMay 7 · first · this page

Evidence ladder

Leak-site claim

Attacker assertion only. Establishes: claim date, group, alleged victim.

Press / market report

Unlocks: incident narrative, operational impact. Still no compliance clock.

State AG / regulator filingThis record

Unlocks: discovery date, data types, affected count, compliance clock.

SEC 8-K / victim statement

Unlocks: materiality, stated response, full audit trail. Ceiling removed.

Source URL: https://www.maine.gov/agviewer/content/ag/985235c7-cb95-4be2-8792-a1252b4f8318/10fe7846-b040-4b6a-b5bb-339de183ce33.shtml
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: May 7, 2021
Raw hash: d83ba65b0f3cc15c179fd67412b3361d56f94ae608c2db3408b7897bc3cdb064

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityLoudoun Mutual Insurance Company

Victim entityLoudoun Mutual Insurance Company

Incidentdiscovered Mar 13, 2021

Stated responseSent written notification to affected individuals

ComplianceME AG >30d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov