Top 10 countries: The above diagram shows the top 10 regions with most malicious IP addresses from the NSFOCUS IP Reputation databases at December 21, 2018. But the United States has the largest allocated IP addresses in the world and China is in the second place. So, report IP Reputation...
Category: DDoS Mitigation
IP Reputation Report-11162018
Top 10 countries: The above diagram shows the top 10 regions with most malicious IP addresses from the NSFOCUS IP Reputation databases in October. But the United States has the largest allocated IP addresses in the world and China is in the second place. So, report IP Reputation as a...
Deep Analysis of Memcached Large DRDoS Attacks – China Telecom DamDDoS & NSFOCUS Jointly Released
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...
Traceback of a DDoS Attack
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...


