Can You Withstand a Denial-of-Service (DDOS) Attack?

Several Government of Canada servers were recently knocked off the Internet as described in this story. Targets included,,, and The story captions a video with a reference to government servers “being hacked”, but that implies an intrusion. It wasn’t an intrusion, it was a denial-of-service attack. A flood of traffic […]
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The Multi-Gigabit DDoS Threat, Part 4: Defense with Black Holes, Sinkholes, and the Cloud

Over the past three weeks — here, here, and here, — I have described some enormous DDoS attacks that can be launched anonymously, cutting you off the Internet by overwhelming your connection to your ISP. What defenses are available? Learning Tree’s Cloud Security Essentials course describes some cloud-based solutions that can mitigate DDoS problems for […]
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