DisclosureLens
HackingFinancial ServicesFinanceVulnerability ExploitData ExfiltratedTargetedAuthenticationBiometricEducationFinancial accountIdentity (basic)Government IDPHIHealth (basic)HighContained

TD AMERITRADE CLEARING, INC.

bd_2bbfbd0065e67275 · schema v1 · pii pii-v1

Severity

High

Discovered

May 30, 2023

Filed

Aug 8, 2023

To disclose

10 weeks

Affected

1,662state residents only

Linked

7 records

Confidence

69%
Full breach record for TD AMERITRADE CLEARING, INC. →2 incidents on file

TD Ameritrade, Inc. reported a cybersecurity incident involving the MOVEit Transfer software. Between May 28 and May 30, 2023, unauthorized individuals accessed the application and stole data including names, Social Security numbers, and potentially financial account information. The incident was discovered on May 30, 2023. Notices were sent to affected individuals on August 3, 2023. 1,662 Washington residents were affected. TD Ameritrade halted use of the software, engaged independent experts, notified law enforcement, and offered two years of credit monitoring.

Washington clock⏱ WA AG >30d10 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 · 2 days
discovery → filing · 10 weeks / 70 days

May 28, 2023

Begins

May 30, 2023

Discovered

Aug 8, 2023

Filed

vs. sector median

+2 wks slower

This filing is one of 7 records about the same incident.View merged incident
Part of Progress Software Corporation supply-chain incident (2023) — a supply-chain cascade affecting multiple organizations.View cascade →
A leak claim by cl0p about this victim was first seen 32 days before this filing.View originating leak claim

Linked disclosures

Why this link?

Ransomware claims (1)

Regulatory filings (5) · sorted by filing gap

Show 1 more filing ↓up to 1d gap

Filing propagation · 6 filings · 6 states

View merged incident ↗
Oregon State AGAug 8 · first
Montana State AGAug 8 · first
Maine State AGAug 8 · first
California State AGAug 8 · first
Washington State AGAug 8 · 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.