Massive DDoS attack lasts for 277 hours, highlighting growth of extended attacks on businesses

Jonathan MathewsPublic


Extended DDoS attacks are back in business: Q2’s longest attack was active for 277 hours, or more than 11 days, according to a new report from Kaspersky Lab. This represents a 131% increase compared to Q1, and a current record for the year.

Further, the geography of these attacks changed from Q1 to Q2, Kaspersky Lab found, with organizations with online resources located in 86 countries targeted, compared to 72 countries prior. The top 10 countries most affected by DDoS attacks this quarter were China, South Korea, the US, Hong Kong, the UK, Russia, Italy, the Netherlands, Canada, and France.

Targets of DDoS attacks in Q2 included news agencies Al Jazeera, Le Monde, and Figaro, as well as Skype servers, reportedly. Increasing cryptocurrency rates also led to cybercriminals attempting to manipulate prices via DDoS. For example, Bitfinex—the largest Bitcoin trading exchange—was attacked at the same time a new cryptocurrency called IOTA token was launched. The BTC-E exchange also reported a slowdown due to a large scale DDoS attack, Kaspersky Lab noted.

Ransom DDoS (RDoS) attacks are also on the rise, Kaspersky Lab reported, as this method allows cybercriminals to extort money from their victims. In these attacks, the criminal will usually send a message to the victim demanding a ransom, often ranging from five to 200 bitcoins. If the victim refuses to pay, the attackers threaten to organize a DDoS attack on one of the victim’s important online resources. In June, hacker group Armada Collective carried out a large-scale RDoS attack and demanded $315,000 from seven banks in South Korea.

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