MalwareFinancial ServicesFinanceRansomwareData EncryptedTargetedIdentity (basic)Government IDPIIHighContained

PATELCO CREDIT UNION

bd_c88dac2c250735a6 · schema v1 · pii pii-v1

Severity

High

Discovered

Jun 29, 2024

Filed

Sep 23, 2024

To disclose

12 weeks

Affected

8,176state residents only

Linked

17 filings

Confidence

70%

Full breach record for PATELCO CREDIT UNION →4 incidents on file

Patelco Credit Union filed an amended notice with the Washington AG regarding a ransomware attack. Unauthorized access occurred between May 23 and June 29, 2024. The breach affected 8,176 Washington residents, exposing names, SSNs, driver's license numbers, dates of birth, and email addresses. Patelco contained the threat, restored data, notified law enforcement, and engaged external cybersecurity professionals. Affected individuals were offered 24 months of Experian IdentityWorks.

J jump to incidentP pin to compareR raw source

Leak gap clock⏱ Leak >30d12 weeks discovery → filing

⚠ AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.

Incident timeline

undetected · 37 days

discovery → filing · 12 weeks / 86 days

May 23, 2024

Begins

Jun 29, 2024

Discovered

Sep 23, 2024

Filed

vs. sector median

+3 wks slower

This filing is one of 17 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (10) · sorted by filing gap

Vermont State AGbd_712c20c7d06c802e2024-09-23Verified
Maine State AGbd_f1d3d40e3783e96c2024-09-23Verified
New Hampshire State AGbd_6132aed4ed74bf362024-09-27 · +4dVerified
Illinois State AGbd_419d36fd8d01502a2024-09-01 · +22dVerified

Show 6 more filings ↓up to 34d gap

New Hampshire State AGbd_d750bc07711391c82024-08-26 · +28dVerified
Vermont State AGbd_d9d80d2a80042b162024-08-21 · +33dVerified
Massachusetts State AGbd_f5f47c32fde9d4b32024-08-21 · +33dVerified
Oregon State AGbd_272abed51034ca0c2024-08-20 · +34dVerified
Montana State AGbd_3490e911272cfc692024-08-20 · +34dVerified
Maine State AGbd_5c6d990f0a1898732024-08-20 · +34dVerified

Showing first 10 of 16 linked disclosures.

Name: PATELCO CREDIT UNION
norm: patelco credit union
Domain: patelco.org

Name: PATELCO CREDIT UNION
norm: patelco credit union
Domain: patelco.org
Industry: Financial Servicesllm

Discovered: Jun 29, 2024
Breach occurred: May 23, 2024 – Jun 29, 2024
Undetected for: 37 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: 8,176state-resident count only
Data types: Identity (basic)Government IDPII
Data elements: NameSocial Security numberDriver's licence numberDate of birth
WA-stated cause: Cyberattack
WA-stated duration: lifecycle 1-99dexposure 1-99d
WA-stated discovery: Found while ongoingContained same day
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for ImpactT1190 Exploit Public-Facing Application
Threat actor: ExternalFinancial
Regulator citations: Notified law enforcement

During the incident: Contained the threat by proactively disabling all unauthorized access to our network
Restoring all data
Notified law enforcement
Worked very closely with external cybersecurity professionals
Changes made: Offering a complimentary two-year membership of Experian IdentityWorksSM Credit 3B
Continually evaluate and modify practices and internal controls to enhance the security and privacy of personal information
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 12 weeks(86 days from discovery to filing)
Compliance flags: Leak >30dWA AG >30d
Discovery-date grounding: AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 11 filings · 8 states

View merged incident ↗

Oregon State AGAug 20 · first

Montana State AGAug 20 · first

Maine State AGAug 20 · first

Vermont State AG+1d

Massachusetts State AG+1d

New Hampshire State AG+6d

Illinois State AG+12d

Vermont State AG+34d

Maine State AG+34d

Washington State AG+34d · this page

New Hampshire State AG+38d

Pattern: first filing Aug 20 (OR), last Sep 27 (NH) — a 38-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

Cascade drawn from the first 10 linked disclosures of 16 — the full spread may be wider.

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/BreachA30709.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Sep 23, 2024
Raw hash: d4055d3affd2f81d374fef239240bb58f2a11a5711434df16fef85e820ea6668

Linked disclosures

Regulatory filings (10) · sorted by filing gap

Reporting entityPATELCO CREDIT UNION

Victim entityPATELCO CREDIT UNION

Incidentdiscovered Jun 29, 2024

Stated responseContained the threat by proactively disabling all unauthorized access to our network

ComplianceLeak >30d

Extraction provenanceno artifact recorded

Source provenanceagportal-s3bucket.s3.amazonaws.com