HackingFinancial ServicesFinanceCustomer Data InvolvedIdentity (basic)Financial accountMediumContained

TD Ameritrade, Inc. and Charles Schwab & Co., Inc., a TD Ameritrade affiliate.

bd_9c54b3b589b11199 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Aug 1, 2023

Filed

Aug 8, 2023

To disclose

7 days

Affected · nationwide

61,160143 in this filing

Linked

3 filings

Confidence

63%

TD Ameritrade, Inc. and Charles Schwab & Co., Inc. reported an external system breach (hacking) occurring between May 28 and May 30, 2023, discovered on August 1, 2023. The incident affected 61,160 individuals, including 143 Maine residents. Acquired data included names and financial account or credit/debit card numbers (with security codes, PINs, or passwords). Affected individuals were notified in writing on August 8, 2023, and offered 24 months of identity theft protection services.

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Leak gap clock⏱ Leak >30d7 days 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 · 65 days

discovery → filing · 7 days

May 28, 2023

Begins

Aug 1, 2023

Discovered

Aug 8, 2023

Filed

vs. sector median

7 wks faster

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
Washington State AGbd_2bbfbd0065e672752023-08-08Verified

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

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

Discovered: Aug 1, 2023
Breach occurred: May 28, 2023 – May 30, 2023
Undetected for: 65 daysoccurrence → discovery
Materiality determined: —
Notification sent: Aug 8, 2023
Affected individuals: 61,160state + nationwide
Data types: Identity (basic)Financial account
Data elements: Financial account number
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing Application
Threat actor: ExternalFinancial
Initial access: exploit_public_facing

During the incident: Offered 24 months of identity theft protection services through IdentityForce
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 7 days(7 days from discovery to filing)
Compliance flags: Leak >30dME AG ≤30d · 7d
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.
Clock breakdown: Statute Window Elapsed Threshold Status
Maine
Discovered: Aug 1, 2023
→ Filed with AG: Aug 8, 2023
7d 30 days ME AG ≤30d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Aug 1, 2023 → Filed with AG: Aug 8, 2023	7d	30 days	ME AG ≤30d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 3 filings · 3 states

View merged incident ↗

Oregon State AGAug 8 · first

Washington State AGAug 8 · first

Maine 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://www.maine.gov/agviewer/content/ag/985235c7-cb95-4be2-8792-a1252b4f8318/c680e116-4af9-489d-b74b-3715e373155e.shtml
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: 0741dc118b923f3f6676896ccb223f7418a13166735eaf635adb73fda9ba02b6

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityTD Ameritrade, Inc. and Charles Schwab & Co., Inc., a TD Ameritrade affiliate.

Victim entityTD Ameritrade, Inc. and Charles Schwab & Co., Inc., a TD Ameritrade affiliate.

Incidentdiscovered Aug 1, 2023

Stated responseOffered 24 months of identity theft protection services through IdentityForce

ComplianceLeak >30d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov