Company successfully tackles the world’s largest DDoS attack in cyber history

Synopsis

In February 2018, the version-control hosting service company was hit with a massive denial of service attack, with 1.35 TB per second of traffic hitting the popular site.
Security commentators found the sheer scale of the assault worrying. They also had concerns about the infrastructure driving the attack, the attack exploited servers running the Memcached memory caching system, which can return very large chunks of data in response to simple requests.

Impressively the company was only knocked offline intermittently and managed to beat the attack back entirely within 20 minutes.

Unfortunately, thousands of Memcached servers are sitting on the open internet and there has been a huge upsurge in their use in denial of service attacks.

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Analyst

Courtenay Brammar

Experienced global enterprise risk and governance professional. Previously Vice President at Morgan Stanley, Deloitte Risk Advisory practitioner and PRMIA steering committee member in both London and New York.

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