Over the past week Radware’s Emergency Response Team (ERT) detected a new type of SYN flood which is believed to be specially designed to overcome most of today’s security defenses with a TCP-based volume attack. Within a 48-hour period two different targets in two different continents were targeted with this new technique and have experienced very high attack volumes.
more here.............http://blog.radware.com/security/2014/10/tsunami-syn-flood-attack/
more here.............http://blog.radware.com/security/2014/10/tsunami-syn-flood-attack/