A suspected cyber-attack has targeted supermarket refrigeration systems in seven European countries, causing temperatures to rise and food to spoil.

Cryptocurrency exchange Binance has frozen roughly half of the $6.3 billion stolen in a massive cyber attack linked by analysts to North Korea.

Artificial intelligence tools have uncovered severe vulnerabilities in PHP code, prompting governments and tech platforms to secure or take down websites.

Governments and public bodies worldwide have taken websites offline after AI tools revealed critical security flaws in the PHP programming language.