Blog

Come and Meet NSFOCUS Next Week at RSA Conference 2022

RSA Conference 2022 will kick off in San Francisco on June 6, 2022. The theme of RSA Conference 2022 is Transform[i], which is a further extension of last year's theme Resilience. Resilience can be the emergency and recovery capabilities of small and medium organizations facing cyber threats, and the survival...

Millions of Devices May Be Affected, and Yeskit Botnet Family Spreads on a Massive Scale by Exploiting F5 BIG-IP Vulnerability

Background   On May 4, 2022, F5 issued a security bulletin regarding a remote code execution vulnerability in iControlREST component of BIG-IP products. The CVE number of the vulnerability is CVE-2022-1388. The vulnerability can bypass authentication and remotely execute arbitrary code with a vulnerability score of CVSS up to 9.8....

Research and Analysis of Middlebox-based TCP Reflective Amplification Attacks

Abstract In August 2021, Kevin Bock and his team from the University of Maryland and the University of Colorado Boulder proposed a new TCP reflective amplification attack method initiated by the middlebox at the USENIX conference. (See more details at https://geneva.cs.umd.edu/papers/usenix-weaponizing-ddos.pdf) In mid-April this year, NSFOCUS spotted that one of...