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DDoS Attack Hits 400 Gbit/s, Breaks Record

A distributed denial-of-service NTP reflection attack was reportedly 33% bigger than last year's attack against Spamhaus
A record-breaking distributed denial-of-service (DDoS) attack Monday peaked at 400 Gbit/s, which is about 100 Gbit/s more than the largest previously seen DDoS attack.

DDoS defense firm CloudFlare disclosed the attack -- against one of its customers -- Monday. "Very big NTP reflection attack hitting us right now. Appears to be bigger than the #Spamhaus attack from last year, tweeted CloudFlare CEO Matthew Prince, referring both to attacks that target vulnerabilities in the Network Time Protocol, as well as the March 2013 DDoS attack against Spamhaus, which peaked at a record-breaking 300 Gbit/s.

Prince said Monday's attack caused trouble "even off our network," suggesting that some upstream service providers -- particularly in Europe -- may have experienced slowdowns.

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