I Built a System That Catches Hackers in Real Time ​The Problem ​It was a regular Tuesday morning at cloud.ng, a rapidly growing cloud storage company powered by Nextcloud. Thousands of users were uploading files, sharing documents, and going about their day. ​Then the alerts started firing. ​Someone was hammering the server with thousands of requests per second. Not a real user. An attacker. A bot. Something trying to take the platform down. This is called a DDoS attack (Distributed Denial of Service). The goal is simple: flood a server with so much traffic that real users cannot get through. ​My job as the DevSecOps engineer? Build something that catches it before it becomes a problem. Here is exactly how I did it—explained so simply that even if you have never written a line of Python before, you will understand every part.…