Google reveals the most powerful DDoS attack in history… albeit three years late

At the end of last week, Google slipped out a blog post that probably went under the radars of some folks. In it, they revealed that they had mitigated against the largest known distributed denial-of-service (DDoS) attack, when its infrastructure blocked a whopping 2.5 Tbps (Terabits per second) attack.
Graham Cluley