According to statistics, in the first half of 2017, the hacker ddos ​​attack was still growing seriously. Through a large number of investigations, the final result was unexpected. The culprit turned out to be the unsafe Internet of Things (IoT) devices in various enterprises. The report shows that IoT devices have become a source of DDoS attacks. That is, once the criminals strengthen the attack, the Internet of Things is easily defeated.
Cyber ​​security company Corero recently released a report claiming that the number of DDoS attacks in the first half of 2017 has doubled, resulting in unsafe Internet of Things (IoT) devices used by businesses and users. It is said that as long as the user equipment is online, its denial of service (DDoS) attack will exist. If companies rely on the Internet to sell products or collaboration, then DDoS attacks are not only a hassle, but will also affect the company's subsequent development.
In the past few years, the number of DDoS attacks has grown slowly during the evolution of “cats and miceâ€, that is, once criminals strengthen their attacks, their network providers will be resiliently defended. However, such attacks typically come from botnets of infected computers and servers. However, due to the relatively high cost of acquiring and maintaining these systems in botnets, there are economic constraints on the speed at which attacks can develop.
However, the developers of the botnet Mirai are "smart", not attacking security teams or security facilities, but focusing on millions of home IoT devices, such as building a botnet using a webcam and an Internet router to conduct DDoS. attack. Because Mirai does not require any security measures to detect it, it can launch a larger attack than ever before.
According to a report by Arbor Networks at the end of 2016, IoT devices have become a source of DDoS attacks. So far, these large-scale attacks have not been developed using reflection/magnification techniques. Relevant data shows that the number of DDoS attacks has increased significantly in 2015, and the average size and time of attacks have also increased. According to Kaspersky's DDoS Intelligence Report for the fourth quarter of 2016, DDoS attacks lasted up to 292 hours (or 12.2 days), significantly longer than the previous quarter (184 hours or 7.7 days), setting a record for 2016.
The researchers said that the target companies are currently suffering an average of eight DDoS attacks per day, both caused by unsafe IoT devices and DDoS rental services. While large-scale DDoS attacks are getting media attention, this is only a small part of the attack. Most interesting, however, is that the fifth DDoS attack in the second quarter of 2017 was conducted using multiple media to circumvent security software detection. Currently, it only costs $20 an hour, and any hacker can use a botnet to launch an attack against a target company. In addition, cybercriminals have used DDoS attacks as a profitable development project, which means that denial of service attacks will continue.
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