The Cisco SA 500 Series Security Appliances, part of the Cisco Small Business Pro Series, are comprehensive gateway security solutions that combine firewall, VPN, and optional intrusion prevention and web and email security capabilities, helping you feel confident that your business is protected and resilient. These easy-to-use security appliances let you control access to network resources, enabling you to protect business data and maximize network uptime. The Cisco SA 500 Series also helps increase employee productivity by controlling web access, spam emails, phishing attacks, unauthorized intrusions, and other emerging threats, as well as by freeing IT resources from virus eradication and system cleanup activities.