Cloudflare Outage Analysis of November 18, 2025: Causes and Solution
On November 18, 2025, at 11:20 UTC, users around the world started seeing HTTP 5xx errors when trying to access websites protected by Cloudflare. What initially seemed like a massive attack turned out to be a complex internal error. The company has published a detailed post-mortem analysis explaining the incident. When a crisis occurs in a company, communication has to become essential to inform…











