Executive Summary In recent years, more and more protocols that may cause UDP reflection attacks have come into our sight, such as CoAP[1], Ubiquiti[2], WS-Discovery[3], OpenVPN[4], and a certain DVR protocol[5]. These attack patterns are different from DNS, SSDP, NTP, Memcached, and other reflection attacks that are well familiar to...
Category: DDoS Mitigation
Botnet Trend Report -3
Botnets can pose a variety of cyber threats. NSFOCUS Security Labs has been focused on the capture, track, and study of botnet-related threats. In 2019, the Labs further upgraded its capturing and tracking techniques and capabilities and expanded its scope of interest to cover more diverse threats, including cryptojacking, ransomware...
IP Reputation Report-07192020
1.Top 10 countries in attack counts: The above diagram shows the top 10 regions with the most malicious IP addresses from the NSFOCUS IP Reputation databases at July 19, 2020. (more…)
2019 Cybersecurity Insights -12
Ransomware In 2019, ransomware was still a major type of threats that haunted people around the world. The most prominent families were GlobeImposter, GandCrab, and WannaCry, which were extremely active and had far more variants than others. According to NSFOCUS Security Labs' observation, the number of ransomware families and variants...
Design of Protection Against HTTPS-Targeted DDoS Attacks
As more and more Internet business is switched to the encrypted HTTPS from the plaintext HTTP, distributed denial of service (DDoS) attacks against HTTPS are also on the rise, including attacks targeting the SSL/TLS handshake and HTTPS services. Protecting against HTTPS-targeted DDoS attacks has always been a hard nut to...
A Newcomer in Anti-DDoS Solutions: BGP FlowSpec
With the robust development of the Internet, more and more companies have put their services online. While the Internet conveniences people's lives, how to secure it becomes an increasingly severe challenge. Distributed denial-of-service (DDoS) is one of the most common types of cyberattacks. It paralyzes the target network, disrupts services,...
