TD Ameritrade

Disclosed Sep 14, 20076,300,000 affectedConfirmed

Hackers steal contact details of 6.3 million TD Ameritrade customers

Attackers hacked a TD Ameritrade database and stole contact information of more than 6.3 million customers. The company said Social Security and account numbers in the same database did not appear to have been taken.

What is known

People affected	6,300,000 (as reported by the organization)
Disclosed	Sep 14, 2007
Attack	Hacking
Data exposed	NamesEmailsAddressesPhone numbers
Sector	Finance · US
Status	Confirmed

Sources

Newsweb.archive.org

Privacy Rights Clearinghouse: A Chronology of Data Breaches (archived December 2008)

SEC filingsec.gov

TD Ameritrade Form 10-K (2007-11-26), SEC EDGAR

Notices filed

TotalSep 14, 2007

Research6,300,000 people

Other breaches at TD Ameritrade

MOVEit Transfer breach exposes TD Ameritrade client SSNs and account dataSupply chain exposed names, Social Security numbers, financial details, dates of birth and government IDs.Supply chainFinanceUSAug 8, 2023 Lost backup tape held data of 200,000 Ameritrade customersLost or stolen device exposed names, Social Security numbers and financial details.Lost or stolen device200K affectedFinanceUSUnverifiedApr 19, 2005

History of this record

source_type2026-09-25

press to filingby depthSource

source_url2026-09-25

https://web.archive.org/web/20081201210432/http://www.privacyrights.org/ar/ChronDataBreaches.htm to https://www.sec.gov/Archives/edgar/data/1173431/000095013707017708/c21738e10vk.htmby depthSource

status2026-09-25

disclosed to confirmedby depthSource

verified_by2026-09-25

empty to edgar-ftsby depthSource

verified2026-09-25

0 to 1by depthSource

Added2026-09-25

First recordedby seedSource

First seen 2026-09-25 (Research), confirmed by SEC filing. Record counts are as reported. Not legal advice.

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