The story of a DDoS extortion attack – how one company decided to take a stand

German payment processor goes public on threats received last week.

By John E Dunn

Last Friday, June 10, a member of the IT team at German payments processor Computop retrieved an email sent to one of the company’s public addresses threatening to hit the firm’s customer websites with a massive DDoS attack if a ransom of 15 Bitcoins (about £7,900) was not paid to the attackers by June 15.

The attackers had launched a smaller demo DDoS to prove their intent, the email said, something IT staff confirmed after checking monitoring systems. This was clearly a threat with the capability to do serious damage.

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