X4U Doser, or X4UD, a free online tool for mounting DDoS attacks, was launched in the summer of 2016. It has been updated various times, and is now available in a 3.0 iteration. Its creator, a student calling themselves FathurION, describes it as “a free, strong, and maximum network stress testing and distributes/denial-of-service attack application … Continue reading A Case Study: How does the X4U Doser Tool Work?