What is this PHP issue taking websites offline?
Oct 22, 2026 · 7m
Summary
Hosts Keira Kelly and Shane Coleman discuss the exposure of critical vulnerabilities in PHP, a programming language underpinning much of the internet, which were discovered by OpenAI’s models. Technology journalist Emmet Ryan explains that these flaws allowed potential passwordless access to data, prompting preemptive website shutdowns to apply fixes. The conversation highlights the double-edged nature of AI in cybersecurity, noting that while it helped identify the issue, it also empowers malicious actors to conduct attacks on a far greater scale than before.
Topics discussed
Intro: PHP vulnerabilities and website outages
Guest introduction and basics of PHP
How widespread PHP is on the internet
Why AI found the flaws and why sites went offline
The double-edged sword of AI in security
Pre-emptive shutdowns and the fix timeline
Advice for small business website owners
Impact on individual users and data risk
The changing scale of cyber threats
AI as a tool for both defense and attack
Increased sophistication and scale of hacking
Personal security tips and expert confidence
Closing remarks and show sign-off
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