MalwareOtherRansomwareData ExfiltratedData EncryptedRansom DemandedIdentity (basic)Government IDHighContained

Teamsters Local Union No. 174

bd_fd958de3da8e9fb3 · schema v1 · pii pii-v1

Severity

High

Discovered

Jun 16, 2025

Filed

Jul 15, 2025

To disclose

29 days

Affected

86,122state residents only

Confidence

70%

Full breach record for Teamsters Local Union No. 174 →2 incidents on file

Teamsters Local Union No. 117 disclosed a ransomware incident on June 16, 2025, affecting 86,122 Washington residents. Unauthorized access resulted in the exposure of names, DOBs, and SSNs. The union engaged forensic experts, enhanced security protocols, and provided 12 months of credit monitoring.

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Washington clock✓ WA AG ≤30d29 days discovery → filing

⚠ occurrence dateThe stored discovery date equals the breach OCCURRENCE date. Detection is normally later, so this OVERSTATES the delay — a 'late' verdict here may not be real.

Incident timeline

discovery → filing · 29 days

Jun 16, 2025

Begins

Jun 16, 2025

Discovered

Jul 15, 2025

Filed

vs. sector median

4 wks faster

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed86,122 affectedView incident

Name: Teamsters Local Union No. 174
norm: teamsters local union no 174
Industry: Non-Profit/Charity

Name: Teamsters Local Union No. 174
norm: teamsters local union no 174
Industry: Non-Profit/Charity
Industry: Otherllm

Discovered: Jun 16, 2025
Breach occurred: Jun 16, 2025
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jul 15, 2025
Affected individuals: 86,122state-resident count only
Data types: Identity (basic)Government ID
Data elements: NameSocial Security numberDate of birth
WA-stated cause: Cyberattack
WA-stated duration: lifecycle Unknowndexposure Unknownd
WA-stated discovery: Found while ongoingContained same day
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for ImpactT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Regulator citations: Notified Washington State Attorney General

During the incident: Immediately took steps to secure its systems
Engaged with experts to assist in the investigation and remediation of this incident
Investing in new and improved hardware systems
Enhancing our security and monitoring protocols
Working to improve all facets of our cyber security moving forward
Contracted with ID Resolution to offer our current active members Identity Management and Identity Theft services
Extend 12 months of free credit monitoring services to everyone
Changes made: Investing in new and improved hardware systems
Enhancing our security and monitoring protocols
Working to improve all facets of our cyber security moving forward
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 29 days(29 days from discovery to filing)
Compliance flags: WA AG ≤30d
Discovery-date grounding: occurrence dateThe stored discovery date equals the breach OCCURRENCE date. Detection is normally later, so this OVERSTATES the delay — a 'late' verdict here may not be real.

Status: No extraction artifact recorded for this disclosure.

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://agportal-s3bucket.s3.amazonaws.com/databreach/BreachA33999.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jul 15, 2025
Raw hash: b0de53baf01d7f04ec9e47a1e5df3ad6547dd869aae03bff756eae75b199e96d

Reporting entityTeamsters Local Union No. 174

Victim entityTeamsters Local Union No. 174

Incidentdiscovered Jun 16, 2025

Stated responseImmediately took steps to secure its systems

ComplianceWA AG ≤30d

Extraction provenanceno artifact recorded

Source provenanceagportal-s3bucket.s3.amazonaws.com