For more than a decade, serious flaws had gone undetected with PHP, an open-source technology underpinning much of the internet. It took artificial intelligence (AI) to bring them to light and caused a global cyber-security alert. The BBC's Cyber Correspondent Joe Tidy discusses how AI was used to discover the issue as well as which companies were impacted and the attempts by hackers to exploit it. #PHP #Technology #CyberSecurity #BBCNews