HackingFinancial ServicesTechnologyFinanceCustomer Data InvolvedTargetedIdentity (basic)Government IDHighContained

Byzfunder

bd_6b908090e6c966a2 · schema v1 · pii pii-v1

Severity

High

Discovered

Sep 19, 2025

Filed

Nov 19, 2025

To disclose

9 weeks

Affected · nationwide

15,16432 in this filing

Linked

9 filings

Confidence

65%

Full breach record for Byzfunder →

Byzfunder NY LLC reported an external system breach (hacking) affecting approximately 15,164 individuals, including 32 Maine residents. Unauthorized access to files containing names and Social Security numbers occurred between September 1 and September 20, 2025. The incident was detected on September 19, 2025, and notifications were sent on November 19, 2025. The company engaged cybersecurity specialists and offered 12 months of credit monitoring.

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Maine clockDiscovered Sep 19, 2025 → Filed with AG Nov 19, 202561d ⏱ ME AG >30d9 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 · 18 days

discovery → filing · 9 weeks / 61 days

Sep 1, 2025

Begins

Sep 19, 2025

Discovered

Nov 19, 2025

Filed

vs. sector median

1 wks faster

This filing is one of 9 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (8) · sorted by filing gap

Nebraska State AGbd_041b82c1da7ac5642025-11-19Verified
Indiana State AGbd_11c98c86d13e9cce2025-11-19Verified
California State AGbd_2e25036dbbde0fad2025-11-19Verified
Montana State AGbd_46884e144d93c1fa2025-11-19Candidate

Show 4 more filings ↓up to 2d gap

New Hampshire State AGbd_988b70ab3debf6c52025-11-19Verified
Vermont State AGbd_b509b1d4298b45db2025-11-19Verified
Massachusetts State AGbd_a581116495c59e9d2025-11-20 · +1dVerified
Texas State AGbd_c440239b10f08ee52025-11-21 · +2dVerified

Name: Constangy, Brooks, Smith & Prophete, LLP
norm: constangy brooks smith prophete

Name: Byzfunder
norm: byzfunder
Domain: byzfunder.com
Industry: Financial ServicesllmTechnologyllm

Discovered: Sep 19, 2025
Breach occurred: Sep 1, 2025 – Sep 20, 2025
Undetected for: 18 daysoccurrence → discovery
Materiality determined: —
Notification sent: Nov 19, 2025
Affected individuals: 15,164state + nationwide
Data types: Identity (basic)Government ID
Data elements: Social Security number
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1078 Valid Accounts
Threat actor: ExternalFinancial
Regulator citations: Filed preliminary notice with Maine Attorney General
Initial access: exploit_public_facing

During the incident: Engaged cybersecurity specialists to assist with the incident response
Undertook a comprehensive review of the affected files
Provided access to credit monitoring services for 12 months through IDX
Provided impacted individuals with guidance on how to better protect against identity theft and fraud
Changes made: Implemented measures to enhance network security and minimize the risk of a similar incident occurring in the future
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 9 weeks(61 days from discovery to filing)
Compliance flags: ME AG >30d · 61d
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: Sep 19, 2025
→ Filed with AG: Nov 19, 2025
61d 30 days (soft) ME AG >30d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Sep 19, 2025 → Filed with AG: Nov 19, 2025	61d	30 days (soft)	ME AG >30d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 9 filings · 9 states

View merged incident ↗

Nebraska State AGNov 19 · first

Indiana State AGNov 19 · first

California State AGNov 19 · first

Montana State AGNov 19 · first

New Hampshire State AGNov 19 · first

Vermont State AGNov 19 · first

Maine State AGNov 19 · first · this page

Massachusetts State AG+1d

Texas State AG+2d

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/ecb880be-153a-4a8d-8084-d487c479be85.html
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Nov 19, 2025
Raw hash: b38d01d99e4d8266fc0d697fa2e23a415acc89c7765855ae64b5876fdcdc0107

Linked disclosures

Regulatory filings (8) · sorted by filing gap

Reporting entityConstangy, Brooks, Smith & Prophete, LLP

Victim entityByzfunder

Incidentdiscovered Sep 19, 2025

Stated responseEngaged cybersecurity specialists to assist with the incident response

ComplianceME AG >30d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov