Fire Wall
Fire Walls are the first line of defense. Like intrusion prevention systems, fire walls block undesirable packets. Fire Walls generally "block everything not explicitly allowed" while IPS "allow everything except what is explicitly denied".

Discovery and Mitigation
Discovery tools analyze network traffic to find evidence of new devices and vulnerable or infected software (including worms and viruses) that appear inside your perimeter. Mitigation attempts to remove the threats.

Secure Web Filtering
Helping companies enforce policies with Web Filtering tools that monitor and block inapt Internet access and downloading. Web Filtering protects users from malicious web sites that can infect their computers while improving productivity.

Managed Security Services
They provide rapid notification and analysis. Advanced services also give early warning and help determine when and where to act to protect against new vulnerabilities and exploits.