HackingFinancial ServicesFinanceStolen CredentialsTargetedIdentity (basic)Government IDMediumContained

Mark Feigenbaum, CFP

bd_507840f1aaf23e65 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Mar 23, 2025

Filed

Apr 18, 2025

To disclose

26 days

Affected · nationwide

181 in this filing

Linked

2 filings

Confidence

66%

Full breach record for Mark Feigenbaum, CFP →

Mark Feigenbaum, CFP reported unauthorized access to an employee email account between Feb 1-9, 2025. The breach affected 18 individuals (1 in Maine), exposing names and SSNs. Feigenbaum secured the account, notified law enforcement, and provided 12 months of credit monitoring.

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Maine clockDiscovered Mar 23, 2025 → Filed with AG Apr 18, 202526d ✓ ME AG ≤30d26 days discovery → filing

Incident timeline

undetected · 50 days

discovery → filing · 26 days

Feb 1, 2025

Begins

Mar 23, 2025

Discovered

Apr 18, 2025

Filed

vs. sector median

5 wks faster

This filing is one of 2 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (1) · sorted by filing gap

Massachusetts State AGbd_685f8093ca6921252025-04-18Verified

Name: Mark Feigenbaum, CFP
norm: mark feigenbaum cfp
Domain: winchesterfinancial.us
Industry: Financial Services

Name: Mark Feigenbaum, CFP
norm: mark feigenbaum cfp
Domain: winchesterfinancial.us
Industry: Financial Services
Industry: Financial Servicesllm

Discovered: Mar 23, 2025
Breach occurred: Feb 1, 2025 – Feb 9, 2025
Undetected for: 50 daysoccurrence → discovery
Materiality determined: —
Notification sent: Apr 17, 2025
Affected individuals: 18state + nationwide
Data types: Identity (basic)Government ID
Data elements: Social Security number
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External
Regulator citations: Providing written notice of this incident to relevant state regulators
Initial access: valid_credentials

During the incident: Secured the email account
Assessed the security of Feigenbaum’s email environment
Identified potentially affected individuals
Notified federal law enforcement regarding the event
Changes made: Reviewing and enhancing existing policies and procedures
Providing access to credit monitoring services for twelve (12) months through IDX
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 26 days(26 days from discovery to filing)
Compliance flags: ME AG ≤30d · 26d
Discovery-date grounding: letter-groundedThe discovery date is the detection date narrated in the notification letter — the defensible tier.
Clock breakdown: Statute Window Elapsed Threshold Status
Maine
Discovered: Mar 23, 2025
→ Filed with AG: Apr 18, 2025
26d 30 days ME AG ≤30d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Mar 23, 2025 → Filed with AG: Apr 18, 2025	26d	30 days	ME AG ≤30d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 2 filings · 2 states

View merged incident ↗

Massachusetts State AGApr 18 · first

Maine State AGApr 18 · first · this page

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/e7cfbffd-52b2-4d73-adfa-4538679b3ce3.html
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Apr 18, 2025
Raw hash: 5fb506af953dc2d23c1d68d28389699b0d3e06b57b0b89b8ff11993a26a21f66

Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entityMark Feigenbaum, CFP

Victim entityMark Feigenbaum, CFP

Incidentdiscovered Mar 23, 2025

Stated responseSecured the email account

ComplianceME AG ≤30d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov