London has been hit by one of the most alarming cyberattacks of the year. Hackers have infiltrated Kido International, a well known nursery operator with 18 centres across Greater London, and stolen the personal information of over 8000 children. The breach has sparked outrage among parents and experts, highlighting the rising threat of ransomware attacks targeting vulnerable institutions.
Hackers leak sensitive child data
The group behind the attack, calling itself Radiant, published proof of the breach by releasing names, photos, home addresses and family contact details of 10 children. They have threatened to release more data, including 30 additional child profiles and information on 100 employees, if their demands are not met.
Kido International has remained silent on the breach so far, while the Metropolitan Police confirmed its cyber crime unit has launched an investigation. No arrests have been made yet, and authorities say enquiries are still in the early stages.
Russian connection suspected
Speaking over encrypted messaging apps, the hackers claimed to be based in Russia, though they offered no proof. They also revealed they had been inside Kido’s networks for weeks, monitoring activity and stealing sensitive data. The group has not disclosed how much ransom they are demanding from the nursery operator.
Growing wave of ransomware in the UK
This incident adds to a disturbing pattern of ransomware attacks on UK businesses in 2025. Earlier this year, Collins Aerospace suffered a major cyberattack that crippled automated check in systems at Heathrow Airport, while Marks and Spencer reported losses of 300 million pounds after hackers disrupted their online operations for weeks.
Cybersecurity experts say the attack on nurseries is one of the most disturbing yet. “Cybercriminals will target anyone if they think money is involved, but going after children is particularly egregious,” said Jonathon Ellison of the National Cyber Security Centre.
Urgent need for stronger protection
The breach highlights a pressing need for stronger cybersecurity in childcare and educational institutions. With ransomware groups becoming increasingly aggressive, experts warn that even smaller organisations are no longer safe.
The British government is also weighing financial support for industries hit by cyberattacks, after the recent case of Jaguar Land Rover suppliers facing shutdowns due to a ransomware incident.
A wake up call for data security
The Kido International breach is not just another ransomware case. By targeting nurseries, the attackers have raised serious questions about how well children’s personal data is being protected. With more details expected in the coming days, parents and authorities alike will be demanding accountability and better safeguards.
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