Cisco PIX/ASA devices are one of the best security devices on the market, Circle IT has implemented Cisco firewall solutions for over 5 years, the firewalls can require a higher technical expertise than most due to thier complexity but are the most robust on the market. The iminent retirement of the PIX range of firewalls will see the introduction of the ASA models which include an even greater feature set.

The Cisco Self-Defending Network offers architectural security solutions that meet evolving security requirements. Security is built into the technology, so by using a lifecycle services approach you can design, implement, operate and optimise enterprise network platforms that defend your critical business processes against attack and disruption, protect privacy, and support policy and regulatory compliance controls. By using your network as your security solutions platform, you can help keep people and IT assets safe, make your organisation more resilient and reliable and get the maximum business benefit from IT investments

Use your Cisco Self-Defending Network to help ensure compliance with security regulations, provide secure unified communications and mobility solutions, help secure data centres and branch locations.

Cisco ASA (Adaptive Security Appliances)
Cisco ASA 5500 Series Adaptive Security Appliances are easy-to-deploy solutions that integrate world-class firewall, Unified Communications (voice/video) security, SSL and IPsec VPN, intrusion prevention (IPS), and content security services in a flexible, modular product family. Designed as a key component of the Cisco Self-Defending Network, the Cisco ASA 5500 Series provides intelligent threat defence and secure communications services that stop attacks before they impact business continuity. Designed to protect networks of all sizes, the Cisco ASA 5500 Series enables organisations to lower their overall deployment and operations costs while delivering comprehensive multilayer security