HackingOtherDelayed DiscoveryIdentity (basic)Government IDFinancial accountMediumContained

The Minnesota Orchestral Association

bd_531477f8acfff26b · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jan 21, 2024

Filed

Mar 12, 2025

To disclose

14 months

Affected

4state residents only

Linked

7 filings

Confidence

66%

Full breach record for The Minnesota Orchestral Association →

Minnesota Orchestral Association (MOA) notified the Maryland AG of a data event affecting 4 Maryland residents. Unauthorized access occurred between Jan 1-22, 2024. Data exposed: names, SSNs, financial account info. MOA secured systems, engaged forensic specialists, notified law enforcement, and provided 1 year of credit monitoring via TransUnion.

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Maryland clock✗ MD AG >90d14 months discovery → filing

Incident timeline

undetected · 20 days

discovery → filing · 14 months / 416 days

Jan 1, 2024

Begins

Jan 21, 2024

Discovered

Mar 12, 2025

Filed

vs. sector median

+54 wks slower

This filing is one of 7 filings about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (6) · sorted by filing gap

Montana State AGbd_409271fc9de01e542025-03-12Verified by operator
Vermont State AGbd_54175c188ee9a6b22025-03-12Verified
Indiana State AGbd_8d096249f8406e1e2025-03-12Verified
Massachusetts State AGbd_90488a8897f3e93f2025-03-12Verified

Show 2 more filings ↓

Maine State AGbd_a9161bc7c572d6ce2025-03-12Verified
Nebraska State AGbd_c2c87bf8d2480e3c2025-03-12Verified

Name: Mullen Coughlin LLC
norm: mullen coughlin

Name: The Minnesota Orchestral Association
norm: the minnesota orchestral
Industry: Otherllm

Discovered: Jan 21, 2024
Breach occurred: Jan 1, 2024 – Jan 22, 2024
Undetected for: 20 daysoccurrence → discovery
Materiality determined: —
Notification sent: Mar 12, 2025
Affected individuals: 4state-resident count only
Data types: Identity (basic)Government IDFinancial account
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: ExternalFinancial
Regulator citations: Notified federal law enforcementProvided written notice to relevant state regulatorsProvided written notice to the three major credit reporting agencies

During the incident: Secured its systems
Engaged third-party cybersecurity specialists to investigate
Reviewed accessible data to identify sensitive information
Notified federal law enforcement
Provided written notice to Maryland residents
Provided access to credit monitoring services for one year through TransUnion
Provided guidance on protecting against identity theft and fraud
Provided written notice to relevant state regulators
Provided written notice to the three major credit reporting agencies
Changes made: Implementing additional safeguards and training to employees
Reviewing existing policies and procedures
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 14 months(416 days from discovery to filing)
Compliance flags: MD AG >90d
Discovery-date grounding: letter-groundedThe discovery date is the detection date narrated in the notification letter — the defensible tier.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 7 filings · 7 states

View merged incident ↗

Montana State AGMar 12 · first

Vermont State AGMar 12 · first

Indiana State AGMar 12 · first

Massachusetts State AGMar 12 · first

Maine State AGMar 12 · first

Nebraska State AGMar 12 · first

Maryland State AGMar 12 · 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://oag.maryland.gov/resources-info/SBN%20Documents/2025/ITU-376547.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Mar 12, 2025
Raw hash: 610d5c7a89a3f693091583fadb3263338855c56ad7b9fc21b9cdeec280704914

Linked disclosures

Regulatory filings (6) · sorted by filing gap

Reporting entityMullen Coughlin LLC

Victim entityThe Minnesota Orchestral Association

Incidentdiscovered Jan 21, 2024

Stated responseSecured its systems

ComplianceMD AG >90d

Extraction provenanceno artifact recorded

Source provenanceoag.maryland.gov