Transport for London (TfL) security incident history
Hacking, data breaches and other security incidents involving Transport for London (TfL), with related coverage.
Incidents: 1 · Most recent
Transport for London hack affects about 10 million people
10MImpact: About 10 million people affected; damage of about 53 billion won
Transport for London was hit by a cyberattack in 2024 that affected about 10 million people. After the attack, staff systems were disrupted and the data feed supplied to travel apps was suspended. The hackers involved were sentenced to prison in July 2026, and the damage was put at about 53 billion won.
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