UNC3944: a teen-led hacking collective with ties to cybercriminal networks
Two teenagers have pleaded guilty to hacking Transport for London in 2024, triggering a multi-day intrusion that disrupted services, exposed millions of personal data, and forced 27,000 TfL staff to reset passwords in person. They have been jailed for five years and six months.
Signatories from OpenAI, Anthropic, Google, Microsoft and other leaders have warned there is a limited window to strengthen cyber-defences against AI-powered attacks. The open letter urges coordinated government action, funding for cyber defence, and wider access to capable defensive AI for critical infrastructure, as attacks on hospitals, water systems and airports rise.
Open letters and industry notices are urging a global, coordinated response to rising AI-enabled cyber attacks. Leaders warn that the window to strengthen defences is narrowing as models become more capable and widespread.