DDoS attack from Browser-based Botnets that lasted for 150 hours
Nov 14, 2013
Browser-based botnets are the T-1000s of the DDoS world. Just like the iconic villain of the old Judgment Day movie, they too are designed for adaptive infiltration. This is what makes them so dangerous. Where other more primitive bots would try to brute-force your defenses, these bots can simply mimic their way through the front gate. By the time you notice that something`s wrong, your perimeter has already been breached, your servers were brought down, and there is little left to do but to hang up and move on. So how do you flush out a T-1000? How do you tell a browser-based bot from a real person using a real browser? Some common bot filtering methods, which usually rely on sets of Progressive Challenges , are absolutely useless against bots that can retain cookies and execute JavaScripts. The alternative to indiscriminately flashing CAPTCHA's for anyone with a browser is nothing less than a self-inflicted disaster - especially when the attacks can go on for weeks a...
