DisclosureLens
HackingFinancial ServicesFinanceIdentity (basic)Financial accountMediumContained

William R Koscinski Jr. CPA

bd_2956e1464cc31739 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Mar 30, 2021

Filed

May 5, 2021

To disclose

5 weeks

Affected · nationwide

5,6561 in this filing

Linked

3 filings

Confidence

50%
Full breach record for William R Koscinski Jr. CPA →

William R Koscinski Jr. CPA, a financial services firm, reported a data breach affecting one Maine resident. The breach, which occurred on March 25, 2021, and was discovered on March 30, 2021, involved an internal system compromise. The compromised information included names combined with financial account numbers or credit/debit card details. Affected individuals were notified on April 30, 2021, and offered one year of credit monitoring and identity theft restoration services through Kroll.

Maine clockDiscovered Mar 30, 2021 → Filed with AG May 5, 202136d ⏱ ME AG >30d5 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 · 5 days
discovery → filing · 5 weeks / 36 days

Mar 25, 2021

Begins

Mar 30, 2021

Discovered

May 5, 2021

Filed

vs. sector median

3 wks faster

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

Linked disclosures

Why this link?

Regulatory filings (2) · sorted by filing gap

Filing propagation · 3 filings · 3 states

View merged incident ↗
Indiana State AGApr 30 · first
Massachusetts State AG+5d
Maine State AG+5d · this page

Pattern: first filing Apr 30 (IN), last May 5 (ME) — a 5-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.