HackingFinancial ServicesFinanceTargetedCustomer Data InvolvedIdentity (basic)Government IDHighContained

CROSS VALLEY FEDERAL CREDIT UNION

bd_cd7fbb993e757731 · schema v1 · pii pii-v1

Severity

High

Discovered

Dec 4, 2024

Filed

Mar 23, 2025

To disclose

16 weeks

Affected · nationwide

17,8262 in this filing

Linked

8 filings

Confidence

66%

Full breach record for CROSS VALLEY FEDERAL CREDIT UNION →

Cross Valley Federal Credit Union reported an external system breach (hacking) occurring on November 19, 2024, discovered on December 4, 2024. The incident compromised names, addresses, and Social Security Numbers of 17,826 individuals, including 2 Maine residents. Notices were mailed on March 13, 2025, offering 12 months of credit monitoring. The credit union engaged forensic experts and implemented enhanced security training and email sandboxing.

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Maine clockDiscovered Dec 4, 2024 → Filed with AG Mar 23, 2025109d ✗ ME AG >90d16 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 · 15 days

discovery → filing · 16 weeks / 109 days

Nov 19, 2024

Begins

Dec 4, 2024

Discovered

Mar 23, 2025

Filed

vs. sector median

+7 wks slower

This filing is one of 8 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (7) · sorted by filing gap

Montana State AGbd_3e85ee612d7035252025-03-23Candidate
Vermont State AGbd_5a2dd1243a17f6572025-03-23Verified
New Hampshire State AGbd_92dd0552a9389e0d2025-03-24 · +1dVerified
Massachusetts State AGbd_825de0f7519715012025-03-22 · +1dVerified

Show 3 more filings ↓up to 10d gap

Indiana State AGbd_0ef8a32959bc633f2025-03-13 · +10dVerified
Nebraska State AGbd_7eb9456dfc38bcf72025-03-13 · +10dVerified
Maryland State AGbd_e7b9ee333bc1faf82025-03-13 · +10dVerified

Name: Wilson Elser Moskowitz Edelman and Dicker LLP
norm: wilson elser moskowitz edelman and dicker

Name: CROSS VALLEY FEDERAL CREDIT UNION
norm: cross valley federal credit union
Industry: Financial Servicesllm

Discovered: Dec 4, 2024
Breach occurred: Nov 19, 2024
Undetected for: 15 daysoccurrence → discovery
Materiality determined: —
Notification sent: Mar 13, 2025
Affected individuals: 17,826state + nationwide
Data types: Identity (basic)Government ID
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1119 Automated Collection
Threat actor: ExternalFinancial
Regulator citations: Filed preliminary notice with Maine Office of the Attorney General
Initial access: exploit_public_facing

During the incident: Engaged outside cybersecurity experts to conduct a comprehensive investigation
Took steps to contain the intrusion and secure its environment
Provided preliminary notice of the incident to regulators
Offered 12 months of complimentary credit monitoring through CyberScout
Changes made: Implemented enhanced security training
Added additional protections on email links
Deployed sandboxing for potential email threats
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 16 weeks(109 days from discovery to filing)
Compliance flags: ME AG >90d · 109dME resident >60d · 99d
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: Dec 4, 2024
→ Filed with AG: Mar 23, 2025
109d 90 days ME AG >90d
Maine
Discovered: Dec 4, 2024
→ Notified: Mar 13, 2025
99d 60 days (analyst band; statutory cap is 30 days) ME resident >60d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Dec 4, 2024 → Filed with AG: Mar 23, 2025	109d	90 days	ME AG >90d
Maine	Discovered: Dec 4, 2024 → Notified: Mar 13, 2025	99d	60 days (analyst band; statutory cap is 30 days)	ME resident >60d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 8 filings · 8 states

View merged incident ↗

Indiana State AGMar 13 · first

Nebraska State AGMar 13 · first

Maryland State AGMar 13 · first

Massachusetts State AG+9d

Montana State AG+10d

Vermont State AG+10d

Maine State AG+10d · this page

New Hampshire State AG+11d

Pattern: first filing Mar 13 (IN), last Mar 24 (NH) — a 11-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

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/e874ba63-10fe-49a3-a92f-fd79c81edb00.html
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Mar 23, 2025
Raw hash: e4c8e5e4c614f5ccbc2126caa73436faf40c7ea27b57e62df8d7196cc3702218

Linked disclosures

Regulatory filings (7) · sorted by filing gap

Reporting entityWilson Elser Moskowitz Edelman and Dicker LLP

Victim entityCROSS VALLEY FEDERAL CREDIT UNION

Incidentdiscovered Dec 4, 2024

Stated responseEngaged outside cybersecurity experts to conduct a comprehensive investigation

ComplianceME AG >90d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov