DDoS Mitigation

Deep Analysis of Memcached Large DRDoS Attacks – China Telecom DamDDoS & NSFOCUS Jointly Released

March 5, 2018 | Adeline Zhang

Recently, many domestic and foreign security companies and agencies issued warnings about the Memcached Distributed Reflection Denial of Service attack, which aroused the concern of all parties. According to our monitoring, the peak traffic for this attack has now reached 1.35T. On Feb. 27, Memcached’s reflection DDoS attacks ranged from hundreds of megabytes to a maximum of […]

Traceback of a DDoS Attack

January 1, 2018 | Adeline Zhang

An abnormal increase in the CPU usage of a telecom carrier’s 4G firewall substantially slowed down the access from some iPhone users to the Apple website. We suspected that the carrier was hit by a DDoS attack. With the visualized traceback function of NSFOCUS Big Data Security Analytics (BSA), we made a drill-down analysis of […]

Phantom Squad – DDoS Threat

September 26, 2017 | Adeline Zhang

Overview It appears that the new syndicate of the Armada Collective referred to as the Phantom Squad is planning to launch a global DDoS attack on September 30th.  Below you will find a screenshot of the mass spear-phishing email that has been distributed to many organization and companies around the world. They are currently asking […]

Does a Dropbear DDoS in the Woods?

February 28, 2017 | grosefelt

Author: Guy Rosefelt – Dir, PM Threat Intelligence & Web Security Recently, NSFOCUS has seen some interesting DDoS behavior.  Since Q4 of last year, there has been a rise in SSL/VPN and SSH based DDoS attacks.  Most people would not equate VPN or SSH as a viable mechanism for what is usually considered a volumetric […]

2016 Q3 Report on DDoS Situation and Trends

February 7, 2017 | Devika Jain

Sources of Data NSFOCUS collects data from all of their DDoS Protection Solutions deployed worldwide that are being managed by their managed service offering. The botnets that are used across the world can be tracked by NSFOCUS, and those details are used to formulate many of the attack trends shown in this report. NSFOCUS is […]