People search Interactive Brokers Group data breach timeline because the brand sits on billions of accounts, credentials, and cloud workloads. BreachHistory indexes 1 Interactive Brokers Group-linked incident, with headline counts up to 616 in catalog rows. This page maps every attested event through 2026 with internal links to canonical records.
Why Interactive Brokers Group breach history matters
Interactive Brokers Group operates in Technology. 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
2024 — business email compromise; limited client PII exposure
Cataloged incident. Interactive Brokers LLC advised regulators that in January 2024 it uncovered a business email compromise giving an adversary unauthorized access to some consumer personal information within its mail environment—not a core trading-platform compromise in the firm’s public telling. Sample Massachusetts breach paperwork and trade press described notifications for hundreds of clients with names plus at least one additional sensitive category, credit monitoring offers, and no confirmed misuse statements typical of BEC bl Exposed categories include Customer-contact and limited identity fields referenced in state-filed notice samples. BreachHistory cites approximately 616 affected records in this row. See the interactive-brokers-group2024 and canonical BreachHistory entry.
Patterns and analysis
- Mixed intrusion and disclosure events — appears across multiple Interactive Brokers Group 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: Review OAuth app permissions and revoke unused third-party integrations.
- Step 5: Bookmark the Interactive Brokers Group company page for new 2026+ disclosures.
Canonical BreachHistory hub
Explore every indexed row: breachhistory.com/interactive-brokers-group · Latest: interactive-brokers-group2024.
Sources: BreachHistory catalog (1 row for Interactive Brokers Group), company and regulator disclosures cited in individual breach records.