Government websites, banks, insurance firms and transport operators went dark worldwide after AI uncovered a flaw in code powering much of the internet. A Wall Street Journal headline said the bug put up to 70% of the world’s websites at risk.
WHO:AI systems
WHAT:AI uncovered a flaw in code powering much of the internet, and websites worldwide went dark.
WHEN:Reported Oct 22, 2026 at 5:06 AM ET
WHERE:Worldwide
WHY:The outages followed discovery of a flaw in code powering much of the internet; the specific reason the sites went dark is unstated.
How this story developed (showing 6 of 6 earlier reports)