Multiple London councils affected by apparent cyberattack
- Three London councils that share tech affected by the same incident
- Experts believe it might have been a ransomware attack
- No more is being said until the investigation wraps
Three London councils have fallen victim to a mystery cybersecurity incident which brought down many core services, including phone lines and online reporting systems.
The Royal Borough of Kensington and Chelsea, Westminster City Council and the London Borough of Hammersmith and Fulham were impacted – three councils that share some IT services, which could explain the link between this attack and these three councils.
For now, residents are currently unable to contact councils through the normal channels. Some computerized systems have also been shut down as a precaution, with banners displaying emergency contact information.
London’s councils fall victim to a cyberattack
Since the disruption started, emergency and business continuity plans have been activated with extra resources being deployed to support vulnerable residents.
However, Kensington & Chelsea admitted it “[doesn’t] have all the answers yet.” The council said that, because it’s working with the National Crime Agency and the National Cyber Security Centre, it would not be sharing any further details at this point in time.
“At this stage it is too early to say who did this, and why, but we are investigating to see if any data has been compromised – which is standard practice,” the council added.
Cybersecurity expert Kevin Beaumont criticized the councils of using the disguise of an IT incident, suggesting it was likely a ransomware attack of a shared services council provider. To date, no ransomware groups appear to have claimed responsibility.
Sign up to the TechRadar Pro newsletter to get all the top news, opinion, features and guidance your business needs to succeed!
Check Point head Graeme Stewart agreed that the incident “has all the signs of a serious intrustion.”
Westminster and Hammersmith & Fulham notified residents via a banner on their websites, but did not issue a fuller statement like Kensington & Chelsea.
The councils have also notified the UK Information Commissioner’s Office (ICO), and the Met Police’s Cyber Crime Unit is conducting its own investigations.

The best antivirus for all budgets
Follow TechRadar on Google News and add us as a preferred source to get our expert news, reviews, and opinion in your feeds. Make sure to click the Follow button!
And of course you can also follow TechRadar on TikTok for news, reviews, unboxings in video form, and get regular updates from us on WhatsApp too.
Three London councils that share tech affected by the same incident Experts believe it might have been a ransomware attack No more is being said until the investigation wraps Three London councils have fallen victim to a mystery cybersecurity incident which brought down many core services, including phone lines and…
Recent Posts
- NordVPN Coupons and Deals: 77% Off in June 2026
- You don’t need to spend a fortune on good audio — these 20 headphones under AU$100 have hundreds of 5-star user reviews
- Nintendo confirms it will sell a new Switch 2 with replaceable battery in the EU
- Apple begins requiring age verification for App Store use in Texas
- The co-creator of Scavengers Reign is working on a new show for Netflix
Archives
- June 2026
- May 2026
- April 2026
- March 2026
- February 2026
- January 2026
- December 2025
- November 2025
- October 2025
- September 2025
- August 2025
- July 2025
- June 2025
- May 2025
- April 2025
- March 2025
- February 2025
- January 2025
- December 2024
- November 2024
- October 2024
- September 2024
- August 2024
- July 2024
- June 2024
- May 2024
- April 2024
- March 2024
- February 2024
- January 2024
- December 2023
- November 2023
- October 2023
- September 2023
- August 2023
- July 2023
- June 2023