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It appears long-lasting distributed denial of service (DDoS) attacks are back in business, new research found.

The longest attack in the second quarter was active for 277 hours (more than 11 days), which is a 131 percent increase compared to Q1, a current record for the year, according to the Kaspersky Lab Q2 DDoS Intelligence Report.

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Not only were the duration of DDoS attacks in Q2 notable, the geography of incidents also showed a change, with organizations with online resources located in 86 countries targeted, compared to 72 countries in Q1.

The top 10 most affected countries were China, South Korea, U.S., Hong Kong, UK, Russia, Italy, the Netherlands, Canada and France. Italy and the Netherlands replacing Vietnam and Denmark, which were among the top targets in Q1.

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During this timeframe, the targets of DDoS attacks included one of the largest news agencies, Al Jazeera, Le Monde and Figaro newspaper websites and reportedly, Skype servers. Additionally, an increase in cryptocurrency rates led to cybercriminals trying to manipulate prices through DDoS. Bitfinex, the largest Bitcoin trading exchange, was attacked simultaneously with the launch of trading in a new cryptocurrency called IOTA token. Earlier, the BTC-E exchange reported a slowdown due to a powerful DDoS attack.

The interest of DDoS attack organizers in cash goes beyond manipulating cryptocurrency rates. Using this type of attack to extort money can be beneficial, as trends in Ransom DDoS or RDoS demonstrate, the report said. Cybercriminals usually send a message to the victim demanding a ransom that ranges from five to 200 bitcoins. If the company refuses to pay, attackers threaten to organize a DDoS attack on a critically important online victim resource. Such messages can be accompanied by short-term DDoS attacks to confirm the threats are very real. At the end of June, a large-scale RDoS attempt was made by the group called Armada Collective, who demanded $315,000 from seven South Korean banks.

However, there is always another way which has become more popular in the last quarter – Ransom DDoS with no DDoS at all. Fraudsters send out threatening messages to a large number of companies in the hope that someone will decide to be better safe than sorry. Demonstrations of attacks may never happen, but if just one company decides to pay, that brings profit with minimal effort from the cybercriminals.

“Nowadays, it’s not just experienced teams of hi-tech cybercriminals that can be Ransom DDoS-attackers,” said Kirill Ilganaev, head of Kaspersky DDoS Protection at Kaspersky Lab. “Any fraudster who doesn’t even have the technical knowledge or skill to organize a full-scale DDoS attack can purchase a demonstrative attack for the purpose of extortion. These people are mostly picking unsavvy companies that don’t protect their resources from DDoS in any way and therefore, can be easily convinced to pay ransom with a simple demonstration.”

Click here to download the report.

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