Hyderabad: The total number of distributed denial-of-service (DDoS) decreased by 38.8 per cent in the second quarter of 2021 globally when compared with the same period last year. This was a decrease of 6.5 per cent in comparison to the previous quarter in 2021.
Globally China became the leader in the number of devices from which secure shell attacks were carried out. At the same time, China continued to lose ground in terms of the total number of DDoS attacks which is 10.2 per cent. The USA remains the leader with 36 per cent share in this category for the second quarter in a row, while Poland and Brazil are new entries in the top five.
Recently, scammers have been looking for ways to amplify DDoS attacks – the number of attacks through the Session Traversal Utilities for NAT (STUN) protocol has increased. Another visible trend is the exploitation of the TsuNAME vulnerability in DNS resolvers to attack DNS servers. In particular, this led to interruptions in the work of Xbox Live, Microsoft Teams, OneDrive and other Microsoft cloud services. Internet service providers also fell victim to DDoS attacks, says a report by Kaspersky.
On average, the number of DDoS attacks fluctuated between 500 and 800 per day. On the quietest day, only 60 attacks were recorded, and on the most intense, this reached 1164.
Chris Connell, Managing Director, Kaspersky (APAC) said, “The decrease in the number of DDoS attacks is definitely a good sign, but it should not mean that the companies and enterprises can neglect the risks of falling prey to a DDoS attack and relax their security measures. Developing an incident response plan is the first and the most critical step to be taken while executing a robust defense strategy.”
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