MalwareFinancial ServicesFinanceRansomwareData EncryptedTargetedIdentity (basic)Government IDPIIMediumContained

PATELCO CREDIT UNION

bd_3490e911272cfc69 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jun 29, 2024

Filed

Aug 20, 2024

To disclose

7 weeks

Affected

557state residents only

Linked

17 filings

Confidence

66%

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

Patelco Credit Union notified Montana and Rhode Island residents of a ransomware attack. Unauthorized access occurred starting May 23, 2024, detected June 29, 2024. Data included names, SSNs, driver's licenses, DOBs, and emails. The organization 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

Incident timeline

undetected · 37 days

discovery → filing · 7 weeks / 52 days

May 23, 2024

Begins

Jun 29, 2024

Discovered

Aug 20, 2024

Filed

vs. sector median

2 wks faster

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

Oregon State AGbd_272abed51034ca0c2024-08-20Verified
Maine State AGbd_5c6d990f0a1898732024-08-20Verified
Vermont State AGbd_d9d80d2a80042b162024-08-21 · +1dVerified
Massachusetts State AGbd_f5f47c32fde9d4b32024-08-21 · +1dVerified

Show 6 more filings ↓up to 38d gap

New Hampshire State AGbd_d750bc07711391c82024-08-26 · +6dVerified
Illinois State AGbd_419d36fd8d01502a2024-09-01 · +12dVerified
Vermont State AGbd_712c20c7d06c802e2024-09-23 · +34dVerified
Washington State AGbd_c88dac2c250735a62024-09-23 · +34dVerified
Maine State AGbd_f1d3d40e3783e96c2024-09-23 · +34dVerified
New Hampshire State AGbd_6132aed4ed74bf362024-09-27 · +38dVerified

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: 557state-resident count only
Data types: Identity (basic)Government IDPII
Data elements: Social Security numberDate of birth
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for ImpactT1078 Valid Accounts
Threat actor: ExternalFinancial
Initial access: valid_credentials

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 IdentityWorks 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: 7 weeks(52 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 11 filings · 8 states

View merged incident ↗

Oregon State AGAug 20 · first

Maine State AGAug 20 · first

Montana State AGAug 20 · first · this page

Vermont State AG+1d

Massachusetts State AG+1d

New Hampshire State AG+6d

Illinois State AG+12d

Vermont State AG+34d

Washington State AG+34d

Maine State AG+34d

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://dojmt.gov/wp-content/uploads/OCP/Consumer-notification-letter-1605.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Aug 20, 2024
Raw hash: ff34951839153eed849a59b566066a722df44fbf96b305b46bb3361478a77550

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

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov