DisclosureLens
Social EngineeringFinancial ServicesFinanceBECCustomer Data InvolvedGovernment IDIdentity (basic)MediumContained

INTERACTIVE BROKERS LLC

bd_655b4d4e13a58670 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jan 11, 2024

Filed

May 16, 2024

To disclose

18 weeks

Affected · nationwide

6161 in this filing

Linked

2 filings

Confidence

66%
Full breach record for INTERACTIVE BROKERS LLC →2 incidents on file

Interactive Brokers LLC reported a Business Email Compromise incident on 10/30/2023, discovered on 01/11/2024. The breach affected 616 individuals, including 1 Maine resident. Acquired data included names and driver's license numbers. The company provided 24 months of credit monitoring through Experian.

Maine clockDiscovered Jan 11, 2024 → Filed with AG May 16, 2024126d ⏱ ME AG >30d18 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 · 73 days
discovery → filing · 18 weeks / 126 days

Oct 30, 2023

Begins

Jan 11, 2024

Discovered

May 16, 2024

Filed

vs. sector median

+10 wks slower

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

Linked disclosures

Why this link?

Regulatory filings (1) · sorted by filing gap

Filing propagation · 2 filings · 2 states

View merged incident ↗
Maine State AGMay 16 · first · this page
Massachusetts State AG+1d

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.