Three London Councils Hit by Cyber-Attack, Residents Warned to Stay Vigilant

Kensington & Chelsea urges vigilance after a cyber-attack disrupts councils, potentially exposing historical data.

Nov 29, 2025

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The Royal Borough of Kensington and Chelsea is urging its 147,500 residents to be "extra vigilant" with calls, emails, and texts after confirming data was stolen in a cyber-attack this week. The breach affected three London councils - RBKC, Westminster, and Hammersmith and Fulham - disrupting shared IT systems and phone lines.

RBKC believes the stolen data is "historical" but is still checking if it contains personal or financial information. The council faces at least two weeks of "significant disruption" while working with the National Cyber Security Centre, National Crime Agency, and Metropolitan Police to restore systems and identify attackers.

Source: The Guardian

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