Transport for London Data Breach Affects Over 7 Million Customers

Transport for London Data Breach Affects Over 7 Million Customers

First seen 6 Mar 2026, 16:15 UTC •TheregisterNationaltechnologyComputerweeklyLivemintDailymail+3 •67.8

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ThreatCluster

Transport for London (TfL) has confirmed that a cyber-attack in late summer 2024 exposed personal data of over 7 million customers, significantly more than the initially reported few thousand. The breach potentially involved access to a database containing nearly 10 million records, including sensitive information such as names, email addresses, and physical addresses.

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Timeline

2024-08-01
Cyber-attack on TfL systems occurred
2024-09-01
TfL informed over 7 million customers about the data breach
2026-03-06
TfL confirms breach details to media

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