HackingFinancial ServicesTechnologyFinanceVulnerability ExploitCapture Stored DataData ExfiltratedCustomer Data InvolvedSupply Chain (3P Vendor)Identity (basic)Government IDFinancial accountCriticalContained

COVANTAGE CREDIT UNION

bd_9a20d59137417e13 · schema v1 · pii pii-v1

Severity

Critical

Discovered

Oct 27, 2025

Filed

Nov 26, 2025

To disclose

4 weeks

Affected · nationwide

160,00021 in this filing

Linked

3 filings

Confidence

65%

Full breach record for COVANTAGE CREDIT UNION →

Marquis Software Solutions, a vendor for CoVantage Credit Union, reported an external system breach on August 14, 2025, discovered on October 27, 2025. The incident affected 160,000 individuals nationwide, including 21 Maine residents. Personal information including names, government IDs, and financial account numbers was accessed. Marquis engaged cybersecurity experts, notified law enforcement, and offered 24 months of credit monitoring.

J jump to incidentP pin to compareR raw source

Maine clockDiscovered Oct 27, 2025 → Filed with AG Nov 26, 202530d ✓ ME AG ≤30d4 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 · 74 days

discovery → filing · 4 weeks / 30 days

Aug 14, 2025

Begins

Oct 27, 2025

Discovered

Nov 26, 2025

Filed

vs. sector median

4 wks faster

This filing is one of 3 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (2) · sorted by filing gap

Massachusetts State AGbd_e08660fb78cbeac62025-11-26Verified
Texas State AGbd_dd549fb9e6fe2e562025-12-02 · +6dVerified

Name: Marquis Software Solutions, Inc.
norm: marquis software
Domain: marquissoftware.com
Industry: Marketing and Communications Vendor

Name: COVANTAGE CREDIT UNION
norm: covantage credit union
Domain: covantagecu.org
Industry: Financial Services
Industry: Financial ServicesllmTechnologyllm

Discovered: Oct 27, 2025
Breach occurred: Aug 14, 2025
Undetected for: 74 daysoccurrence → discovery
Materiality determined: —
Notification sent: Nov 26, 2025
Affected individuals: 160,000state + nationwide
Data types: Identity (basic)Government IDFinancial account
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Regulator citations: Filed notice with Maine Attorney General
Initial access: exploit_public_facing

During the incident: Launched an investigation
Engaged appropriate cybersecurity experts
Promptly notified law enforcement
Changes made: Offering complimentary 24-month membership of Epiq Privacy Solutions ID
Taking steps to reduce the risk of this type of incident occurring in the future
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 4 weeks(30 days from discovery to filing)
Compliance flags: ME AG ≤30d · 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.
Clock breakdown: Statute Window Elapsed Threshold Status
Maine
Discovered: Oct 27, 2025
→ Filed with AG: Nov 26, 2025
30d 30 days ME AG ≤30d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Oct 27, 2025 → Filed with AG: Nov 26, 2025	30d	30 days	ME AG ≤30d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 3 filings · 3 states

View merged incident ↗

Massachusetts State AGNov 26 · first

Maine State AGNov 26 · first · this page

Texas State AG+6d

Pattern: first filing Nov 26 (MA), last Dec 2 (TX) — a 6-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-a1252b4f8318/8d079ab1-8c27-4b0c-abca-1bc24ece2b21.html
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Nov 26, 2025
Raw hash: 5a7604f16205f9daa509951d27cc7aa7854c1297d42417d932c6d7ba59ca13f8

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityMarquis Software Solutions, Inc.

Victim entityCOVANTAGE CREDIT UNION

Incidentdiscovered Oct 27, 2025

Stated responseLaunched an investigation

ComplianceME AG ≤30d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov