HackingFinancial ServicesFinanceStolen CredentialsCustomer Data InvolvedIdentity (basic)Government IDMediumContained

Loudoun Mutual Insurance Company

bd_3213f69b90c15c51 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Apr 23, 2021

Filed

May 7, 2021

To disclose

14 days

Affected

1state residents only

Linked

3 filings

Confidence

64%

Full breach record for Loudoun Mutual Insurance Company →

Loudoun Mutual Insurance Company notified Montana residents of a cybersecurity incident where an unauthorized party accessed the IT network between March 1-13, 2021. The breach potentially exposed names and Social Security Numbers. The company engaged forensic investigators and offered one year of Equifax identity protection services.

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Incident timeline

undetected · 53 days

discovery → filing · 14 days

Mar 1, 2021

Begins

Apr 23, 2021

Discovered

May 7, 2021

Filed

vs. sector median

6 wks faster

This filing is one of 3 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
Maine State AGbd_5586ee9c6b1ccb042021-05-07Verified

Name: Loudoun Mutual Insurance Company
norm: loudoun mutual insurance

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

Discovered: Apr 23, 2021
Breach occurred: Mar 1, 2021 – Mar 13, 2021
Undetected for: 53 daysoccurrence → discovery
Materiality determined: —
Notification sent: May 6, 2021
Affected individuals: 1state-resident count only
Data types: Identity (basic)Government ID
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External
Initial access: valid_credentials

During the incident: Engaged a computer forensics firm to conduct an independent investigation
Took steps to secure our systems
Offering you a complimentary one-year membership in Equifax Complete Premier
Changes made: Implementing additional security measures to further enhance the security of the network
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 14 days(14 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 3 filings · 3 states

View merged incident ↗

Massachusetts State AGMay 7 · first

Maine State AGMay 7 · first

Montana 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://dojmt.gov/wp-content/uploads/Loudon-Notif.pdf
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: 7fb329dbd3512ebb85311d03c8ceda8eef18c3d65386236c1ed08f9eaea5c87a

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityLoudoun Mutual Insurance Company

Victim entityLoudoun Mutual Insurance Company

Incidentdiscovered Apr 23, 2021

Stated responseEngaged a computer forensics firm to conduct an independent investigation

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov