People search TD Ameritrade data breach timeline because the brand sits on billions of accounts, credentials, and cloud workloads. BreachHistory indexes 5 TD Ameritrade-linked incidents, with headline counts up to 6.3M+ in catalog rows. This page maps every attested event through 2026 with internal links to canonical records.
Why TD Ameritrade breach history matters
TD Ameritrade operates in Finance (United States). Across indexed rows, recurring themes include mixed intrusion and disclosure events. Understanding the chronological pattern helps security teams, customers, and regulators separate confirmed disclosures from forum marketing.
Full timeline through 2026
2007 — — TD Ameritrade: One of TD Ameritrade's databases was hacked and…
Cataloged incident. One of TD Ameritrade's databases was hacked and contact information for its more than 6.3 million customers was stolen. A spokeswoman for the Omaha-based company said more sensitive information in the same database, including Social Security numbers and account numbers, does not appear to have been taken. We were able to conclude that while Social Security numbers are stored in this particular database, your SSN were n Exposed categories include Personal information. BreachHistory cites approximately 6.3M+ affected records in this row. See the td-ameritrade2007 and canonical BreachHistory entry.
2007 — — TD Ameritrade: TD Ameritrade settled a class action lawsuit to…
Cataloged incident. TD Ameritrade settled a class action lawsuit to compensate as many as 6.3 million TD Ameritrade customers whose data was stolen by hackers costing the Nebraska online brokerage firm less than $2 per victim. BreachHistory cites approximately 6.3M+ affected records in this row. See the td-ameritradeu and canonical BreachHistory entry.
2006 — — TD Ameritrade: According to a letter sent to around 300 current…
Cataloged incident. According to a letter sent to around 300 current and former employees, a laptop was removed (presumably stolen) from the office Oct. 18, 2006, that contained unencrypted information including names, addresses, dates of birth, and SSNs. Exposed categories include Personal information. BreachHistory cites approximately 300 affected records in this row. See the td-ameritrade2006 and canonical BreachHistory entry.
2005 — — 200k records
Cataloged incident. Lost media. 200k records. Exposed categories include Names, emails, addresses, and other PII. BreachHistory cites approximately 2K+ affected records in this row. See the td-ameritrade2005 and canonical BreachHistory entry.
2005 — — TD Ameritrade: Lost / stolen device, 200,000 records
Cataloged incident. Data breach reported. financial organization. Method: lost / stolen media. Source: Wikipedia List of data breaches. Exposed categories include Personal and demographic data. BreachHistory cites approximately 200K+ affected records in this row. See the td-ameritrade2005-200000-wiki2 and canonical BreachHistory entry.
Patterns and analysis
- Mixed intrusion and disclosure events — appears across multiple TD Ameritrade catalog entries; prioritize controls that address this class of failure.
- Record-count hygiene — BreachHistory indexes actor-cited figures separately from company-confirmed totals; read each row's technicalWriteup before treating counts as fact.
- 2026 monitoring — New disclosures roll into this timeline as they are verified or labeled unverified per catalog policy.
What to do if you may be affected
- Step 1: Enable phishing-resistant MFA on every account tied to this brand.
- Step 2: Use unique passwords and a password manager—breach rows often involve credential reuse.
- Step 3: Monitor official company breach notices and regulator filings, not dark-web downloads.
- Step 4: Bookmark the TD Ameritrade company page for new 2026+ disclosures.
Canonical BreachHistory hub
Explore every indexed row: breachhistory.com/td-ameritrade · Latest: td-ameritrade2007.
Sources: BreachHistory catalog (5 rows for TD Ameritrade), company and regulator disclosures cited in individual breach records.