HackingProfessional ServicesProfessional ServicesStolen CredentialsTargetedIdentity (basic)Government IDMediumContained

Civil Service Employees Association, Inc., Local 1000

bd_3c33615cec86aa28 · schema v1 · pii pii-v1

Severity

Medium

Discovered

May 30, 2025

Filed

Jan 20, 2026

To disclose

34 weeks

Affected

Not disclosed

Linked

4 filings

Confidence

67%

Full breach record for Civil Service Employees Association, Inc., Local 1000 →

Civil Service Employees Association, Inc., Local 1000, AFSCME, AFL-CIO notified consumers of a cybersecurity incident discovered on May 30, 2025. Unauthorized access occurred between May 3 and May 31, 2025, resulting in the theft of names and Social Security Numbers. The organization engaged cybersecurity professionals, took systems offline, and reported the incident to government agencies.

J jump to incidentP pin to compareR raw source

Vermont clock✗ VT AG >45 bday34 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 · 27 days

discovery → filing · 34 weeks / 235 days

May 3, 2025

Begins

May 30, 2025

Discovered

Jan 20, 2026

Filed

vs. sector median

+16 wks slower

This filing is one of 4 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (3) · sorted by filing gap

Maine State AGbd_302889683ab05c6d2026-01-20Candidate
Indiana State AGbd_3a7f8cfb83f1bfff2026-01-20Verified
Massachusetts State AGbd_e3b1d074b1f89aaf2026-01-20Verified

Name: Civil Service Employees Association, Inc., Local 1000
norm: civil service employees association inc local 1000

Name: Civil Service Employees Association, Inc., Local 1000
norm: civil service employees association inc local 1000
Industry: Professional Servicesllm

Discovered: May 30, 2025
Breach occurred: May 3, 2025 – May 31, 2025
Undetected for: 27 daysoccurrence → discovery
Materiality determined: Jan 20, 2026
Notification sent: Jan 20, 2026
Affected individuals: Not disclosed
Data types: Identity (basic)Government ID
Data elements: Social Security number
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External
Regulator citations: reporting the Incident to relevant government agencies
Initial access: valid_credentials

During the incident: Proactively taking systems offline
Changing passwords
Deploying advanced security and detection software
Securely restoring systems from backups
Engaging leading cybersecurity professionals to assist with our investigation and response
Reporting the Incident to relevant government agencies
Changes made: Implemented additional measures to further improve the security of our systems and practices
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 34 weeks(235 days from discovery to filing)
Compliance flags: VT AG >45 bday
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.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 4 filings · 4 states

View merged incident ↗

Maine State AGJan 20 · first

Indiana State AGJan 20 · first

Massachusetts State AGJan 20 · first

Vermont State AGJan 20 · 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://ago.vermont.gov/document/2026-01-20-civil-service-employees-association-inc-local-1000-afscme-afl-cio-data-breach-notice
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jan 20, 2026
Raw hash: 588c9dc8877c97ce702d437b016875872d6a8026f3d80e6331016615c3b6ba3b

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityCivil Service Employees Association, Inc., Local 1000

Victim entityCivil Service Employees Association, Inc., Local 1000

Incidentdiscovered May 30, 2025

Stated responseProactively taking systems offline

ComplianceVT AG >45 bday

Extraction provenanceno artifact recorded

Source provenanceago.vermont.gov