The Summary: Described by cybersecurity experts as the digital equivalent of an unexploded bomb, a major vulnerability in the widespread programming language PHP has forced high-profile websites offline and sent network administrators scrambling.

On this episode of The Summary, host Josh Bryant looks into how this critical flaw was discovered and what businesses and everyday internet users need to do to stay secure. Cybersecurity expert Nigel Phair explains what PHP powers across the modern web and why the widespread nature of the code makes this flaw so dangerous. Then, Dr. Rahat Masood from UNSW’s Institute for Cyber Security discusses how artificial intelligence was used to uncover this long-hidden backdoor, the challenge of building foolproof digital infrastructure, and the looming threat of malicious actors harnessing AI to find zero-day vulnerabilities in the dark.

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