HackingEducationEducationVulnerability ExploitCapture Stored DataData ExfiltratedTargetedMulti-Stage ChainIdentity (basic)Government IDHighContained

UA Sprinkler Fitters Local 669 Joint Apprenticeship and Training Committee

bd_258eaba6552255b7 · schema v1 · pii pii-v1

Severity

High

Discovered

May 23, 2024

Filed

Feb 6, 2026

To disclose

21 months

Affected · nationwide

20,62345 in this filing

Linked

6 filings

Confidence

65%

Full breach record for UA Sprinkler Fitters Local 669 Joint Apprenticeship and Training Committee →2 incidents on file

UA Sprinkler Fitters Local 669 Joint Apprenticeship and Training Committee reported an external system breach (hacking) occurring between May 17-23, 2024. Unauthorized access resulted in the exfiltration of names, SSNs, and driver's license/state IDs. 20,623 individuals were affected, including 45 Maine residents. Notices were sent on February 6, 2026, offering 12 months of credit monitoring via TransUnion.

J jump to incidentP pin to compareR raw source

Maine clockDiscovered May 23, 2024 → Filed with AG Feb 6, 2026624d ✗ ME AG >90d21 months 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 · 6 days

discovery → filing · 21 months / 624 days

May 17, 2024

Begins

May 23, 2024

Discovered

Feb 6, 2026

Filed

vs. sector median

+82 wks slower

This filing is one of 6 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (5) · sorted by filing gap

Nebraska State AGbd_2387e72bbff10c072026-02-06Verified
California State AGbd_7fb41b280da62dc72026-02-06Verified
New Hampshire State AGbd_b2d15cef68d9b8062026-02-06Verified
Massachusetts State AGbd_d284af0f98e6035e2026-02-06Verified

Show 1 more filing ↓

Iowa State AGbd_e417cf87c9ebed262026-02-06Verified

Name: Mullen Coughlin LLC
norm: mullen coughlin

Name: UA Sprinkler Fitters Local 669 Joint Apprenticeship and Training Committee
norm: ua sprinkler fitters local 669 joint apprenticeship and training committee
Industry: Educationllm

Discovered: May 23, 2024
Breach occurred: May 17, 2024 – May 23, 2024
Undetected for: 6 daysoccurrence → discovery
Materiality determined: —
Notification sent: Feb 6, 2026
Affected individuals: 20,623state + nationwide
Data types: Identity (basic)Government ID
Data elements: Social Security number
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Regulator citations: notified federal law enforcement regarding the eventproviding written notice of this incident to relevant state and federal regulators
Initial access: exploit_public_facing

During the incident: Launched an investigation with the assistance of a third-party forensic specialists
Secured its network
Notified federal law enforcement regarding the event
Providing access to credit monitoring services for one (1) year, through TransUnion
Providing impacted individuals with guidance on how to better protect against identity theft and fraud
Providing written notice of this incident to relevant state and federal regulators
Providing written notice... to the three major credit reporting agencies
Changes made: Implement additional safeguards and training to its employees
Review our existing policies and procedures and implement additional administrative and technical safeguards to further secure the information on our systems
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 21 months(624 days from discovery to filing)
Compliance flags: ME AG >90d · 624dME resident >180d · 624d
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: May 23, 2024
→ Filed with AG: Feb 6, 2026
624d 90 days ME AG >90d
Maine
Discovered: May 23, 2024
→ Notified: Feb 6, 2026
624d 180 days ME resident >180d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: May 23, 2024 → Filed with AG: Feb 6, 2026	624d	90 days	ME AG >90d
Maine	Discovered: May 23, 2024 → Notified: Feb 6, 2026	624d	180 days	ME resident >180d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 6 filings · 6 states

View merged incident ↗

Nebraska State AGFeb 6 · first

California State AGFeb 6 · first

New Hampshire State AGFeb 6 · first

Massachusetts State AGFeb 6 · first

Iowa State AGFeb 6 · first

Maine State AGFeb 6 · 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/ee0b5706-2621-4be6-9835-f1a09a7b24cb.html
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Feb 6, 2026
Raw hash: 5abd7adfc264dfc2182940cef1abf8a97640bc502fd7b8897fc51b618a275935

Linked disclosures

Regulatory filings (5) · sorted by filing gap

Reporting entityMullen Coughlin LLC

Victim entityUA Sprinkler Fitters Local 669 Joint Apprenticeship and Training Committee

Incidentdiscovered May 23, 2024

Stated responseLaunched an investigation with the assistance of a third-party forensic specialists

ComplianceME AG >90d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov