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

3 filings

Confidence

69%

Full breach record for TD AMERITRADE CLEARING, INC. →4 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.

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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 3 about the same incident.View merged incident

A leak claim by cl0p about this victim predates this filing by 32 days.View originating leak claim

Linked disclosures

Why this link?

Regulatory filings (2) · sorted by filing gap

Oregon State AGbd_0055986477f514352023-08-08Candidate
Maine State AGbd_9c54b3b589b111992023-08-08Verified

Name: TD Ameritrade, Inc. and Charles Schwab & Co., Inc.
norm: td ameritrade charles schwab
Domain: tdameritrade.com

Name: TD AMERITRADE CLEARING, INC.
norm: td ameritrade clearing
Domain: tdameritrade.com
Industry: Financial Servicesllm

Discovered: May 30, 2023
Breach occurred: May 28, 2023 – May 30, 2023
Undetected for: 2 daysoccurrence → discovery
Materiality determined: —
Notification sent: Aug 3, 2023
Affected individuals: 1,662state-resident count only
Data types: Identity (basic)Government IDFinancial account
Data elements: NameSocial Security numberDriver's licence numberFinancial account numberDate of birthStudent ID numberPassport numberHealth insurance IDMedical informationBiometric dataUsername + password
WA-stated cause: Cyberattack
WA-stated duration: lifecycle 1-99dexposure 1-99d
WA-stated discovery: Found while ongoingContained same day
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Regulator citations: Notified and working with law enforcement
Initial access: exploit_public_facing

During the incident: Halted any use of MOVEit Transfer
Conducted a thorough investigation in close consultation with independent experts
Notified law enforcement
Offering two years of credit monitoring and identity protection services from IdentityForce
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 10 weeks(70 days from discovery to filing)
Compliance flags: WA AG >30dLeak >30d
Discovery-date grounding: 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.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 3 filings · 3 states

View merged incident ↗

Oregon State AGAug 8 · first

Maine 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.

Source URL: https://agportal-s3bucket.s3.amazonaws.com/databreach/BreachA26139.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Aug 8, 2023
Raw hash: 30221e49a61b3f6e588414a83f422fc7e9b46147a00912df6fd8cd1a993d3405

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityTD Ameritrade, Inc. and Charles Schwab & Co., Inc.

Victim entityTD AMERITRADE CLEARING, INC.

Incidentdiscovered May 30, 2023

Stated responseHalted any use of MOVEit Transfer

ComplianceWA AG >30d

Extraction provenanceno artifact recorded

Source provenanceagportal-s3bucket.s3.amazonaws.com