However, in the case of Github, the DDoS attacks were possible due to a critical security flaw in Memcached servers which was identified Akamai, Arbor Networks, and Cloudflare. Both attacks were carried by hackers using Mirai, a malware popular for infecting IoT devices to carry large-scale DDoS attacks. Previously, the French telecom OVH and Dyn DNS suffered the largest DDoS attacks with 1 Tbps traffic flow. The attacks lasted for over 8 minutes and due to the massive traffic used by the attacks, this is the largest DDoS attack ever witnessed. In the first phase of the attack, Github’s website suffered a shocking 1.35 terabits per second (Tbps) spike while in the second phase Github’s network monitoring system detected 400Gbps spike.
The online version control and code distribution platform Github has suffered a series of massive distributed denial of service (DDoS) attacks on Wednesday, February 28, 2018, causing service disruption by forcing its website to go offline.
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