MalwareFinancial ServicesFinanceRansomwareData ExfiltratedRansom DemandedCustomer Data InvolvedEmployee Data InvolvedIdentity (basic)Government IDPIICriticalContained

PATELCO CREDIT UNION

bd_f1d3d40e3783e96c · schema v1 · pii pii-v1

Severity

Critical

Discovered

Jun 29, 2024

Filed

Sep 23, 2024

To disclose

12 weeks

Affected · nationwide

1,009,472269 in this filing

Linked

17 filings

Confidence

66%

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

Patelco Credit Union experienced a ransomware attack where unauthorized access occurred between May 23 and June 29, 2024. The breach affected 1,009,472 individuals, including 269 Maine residents. Compromised data included names, SSNs, driver's license numbers, dates of birth, and email addresses. Patelco contained the threat, restored data, notified law enforcement, and offered 24 months of credit monitoring. This is an amended notice.

J jump to incidentP pin to compareR raw source

Maine clockDiscovered Jun 29, 2024 → Filed with AG Sep 23, 202486d ⏱ ME AG >30d12 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 · 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

A leak claim by ransomhub about this victim predates this filing by 86 days.View originating leak claim

Linked disclosures

Why this link?

Regulatory filings (10) · sorted by filing gap

Vermont State AGbd_712c20c7d06c802e2024-09-23Verified
Washington State AGbd_c88dac2c250735a62024-09-23Verified
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: MCDONALD HOPKINS LLC
norm: mcdonald hopkins

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: Aug 20, 2024
Affected individuals: 1,009,472state + nationwide
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
Regulator citations: Filed notice with Maine Attorney General
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: 12 weeks(86 days from discovery to filing)
Compliance flags: ME AG >30d · 86dLeak >30d
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: Jun 29, 2024
→ Filed with AG: Sep 23, 2024
86d 30 days (soft) ME AG >30d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Jun 29, 2024 → Filed with AG: Sep 23, 2024	86d	30 days (soft)	ME AG >30d

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

Washington State AG+34d

Maine 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://www.maine.gov/agviewer/content/ag/985235c7-cb95-4be2-8792-a1252b4f8318/75619fc1-b3ca-440d-85e3-4367b1017ea3.html
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: cf7989c1c8d18fafdf74b72b0d1341a451d791297a57a0c2259534b0ad2b3966

Linked disclosures

Regulatory filings (10) · sorted by filing gap

Reporting entityMCDONALD HOPKINS LLC

Victim entityPATELCO CREDIT UNION

Incidentdiscovered Jun 29, 2024

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

ComplianceME AG >30d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov