Global Internet Outage: Black October Cyber Crisis Affects Web

The breach, which began on October 21, 2026, was caused by a critical vulnerability in PHP2Shell, a widely used web technology. The vulnerability, which allows remote code execution without authentication, was discovered by OpenAI and Google’s AI models. The models identified the issue in August 2026, and a coalition of organizations, including Wiz, Calif, and Cloudflare, worked together to develop a fix. The vulnerability was present since 2012, and OpenAI stated that it was a 14-year-old flaw. The breach has affected numerous web services, including government portals in the Netherlands and Finland, and the Wikimedia Foundation has taken down part of its systems. The incident has been dubbed Black October, with some experts comparing it to a global internet outage. The breach has highlighted the increasing threat of AI-powered attacks, as the models were able to identify the vulnerability and provide a fix in a matter of months. The incident has also raised concerns about the speed and cost of discovering and fixing vulnerabilities, as the models were able to do in a matter of weeks.