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Transport for London Data Breach History

Transportation United Kingdom
Website

Transport for London provides transportation or logistics services.

This page shows all data breaches of Transport for London. View the complete breach timeline, records exposed, root causes, and AI breach risk score. BreachHistory tracks disclosed data breaches worldwide.

3Total breaches
20.0MRecords breached
September 2024Last breach
46 AI Breach Risk score Moderate

Data Breach Timeline — All Transport for London Breaches

Transport for London Data Breach Summary

This page tracks the Transport for London data breach history and cybersecurity incidents affecting Transport for London (United Kingdom). BreachHistory currently indexes 3 publicly disclosed or catalogued incidents spanning 2023 through 2024, with approximately 20.0 million records reported as exposed across all indexed events. These totals may include overlapping datasets or third-party estimates and should not be interpreted as unique affected users.

The Transport for London breach timeline includes major data breaches, cyber attacks, data leaks, credential exposures, API abuse, and other security incidents. Each incident provides details on the estimated records exposed, attack method, affected data types, and supporting public sources. Currently, 0 incidents are company-confirmed.

Largest Transport for London Data Breaches

The largest indexed incidents include the 2024 Transport for London — 10M customers (Scattered Spider), the 2024 Transport for London — Scattered Spider; ~10M contact records; subset (~5k) O…, and the 2023 TfL — ~13,000 Ulez / Congestion Charge records via supplier MOVEit (Clop). Record counts originating from threat actors or leak sites should be treated as estimates unless confirmed by Transport for London or a regulator. Below is the list of large data breaches:

What Information Was Exposed?

Depending on the incident, exposed data may include email addresses, phone numbers, names, physical addresses, bank account details, and other personal information (PII). The exact data varies between incidents, so review each breach page before assuming your information was affected.

Transport for London Data Breach 2026

At the time of this update, no Transport for London data breach has been catalogued for 2026. New incidents are added as official disclosures, regulatory filings, or credible cybersecurity reports become available.

What To Do If You Were Affected

If you believe your account may have been involved in a Transport for London data breach, change any reused passwords, enable multi-factor authentication (MFA), monitor your account for suspicious activity, and be cautious of phishing emails or fake breach notifications.

This Transport for London breach history is maintained by BreachHistory using public disclosures, regulatory filings, security research, and clearly labelled third-party claims. For the complete breach timeline, records exposed, incident details, and AI Breach Risk Score, explore the sections on this page.

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