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Cyber

DDoS on the black market

Arranging a DDoS (denial of service) attack costs as little as $7 an hour, while the targeted company can end up losing thousands, if not millions, of dollars, says the IT security product company Kaspersky Lab.

The level of service involved when arranging a DDoS attack on the black market is not very different from that of a legal business, Kaspersky Lab suggests. The only difference is that there’s no direct contact between the provider and the customer. The ‘service providers’ offer a convenient site where customers, after registering, can select the service they need, pay for it, and receive a report about the attacks. In some cases, there is even a customer loyalty programme; clients receive rewards or bonus points for each attack.

There are a number of factors that affect the cost for the customer. One is the type of attack and its source: for example, a botnet made up of popular IoT devices is cheaper than a botnet of servers. However, not all those providing attack services are ready to specify such details. Another factor is the duration of the attack (measured in seconds, hours and days), and the client’s location. DDoS attacks on English-language websites, for example, are usually more expensive than similar attacks on Russian-language sites.

Another big factor affecting the cost is the type of victim. Attacks on government websites and resources protected by dedicated anti-DDoS solutions are much more expensive, as the former are high risk, while the latter are more difficult to attack. For instance, on one DDoS-as-a-service website, the cost of an attack on an unprotected website ranges from $50 to $100, while an attack on a protected site costs $400 or more.

It means a DDoS attack can cost anything from $5 for a 300-second attack, to $400 for 24 hours. The average price for an attack is around $25 per hour. Kaspersky Lab says it was also able to calculate that an attack using a cloud-based botnet of 1000 desktops is likely to cost the providers about $7 per hour. That means the cybercriminals organising DDoS attacks are making a profit of around $18 per hour.

Another scenario offers greater profitability for cybercriminals – attackers demanding a ransom from a target in return for not launching a DDoS attack, or to call off an ongoing attack. The ransom can be the bitcoin equivalent of thousands of dollars, meaning the profitability of a single attack can exceed 95 per cent. In fact, those carrying out the blackmail don’t even need to have the resources to launch an attack – sometimes the mere threat is enough.

Russ Madley, Head of B2B at Kaspersky Lab UK, says: “We expect the profitability of DDoS attacks to continue to grow. As a result, will see them increasingly used to extort, disrupt and mask other more intrusive attacks on businesses. Worryingly, small and medium sized businesses are not confident in their knowledge of how to combat these threats effectively. The longest DDoS attack in 2016 lasted 292 hours according to Kaspersky Lab’s research, or about 12 days. Most online businesses can ill-afford to have their ‘doors closed’ for even an hour, let alone for 292 hours, as criminals take advantage of their poor defences. Companies that host these online sites are also under attack on a daily basis. The channel has a significant opportunity with our help to identify risks, provide strategic advice and deliver the right solutions to customers to prevent damaging DDoS attacks.”

The IT firm adds that some cybercriminals have no scruples about selling DDoS attacks alongside protection from them.


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