ASA 5520 Appliance Content Security allows enterprises to make full use of the Internet without the risk and costs associated with infections and threats impacting client systems. Combining enterprise-grade firewall and high-quality malware protection, ASA 5520 Appliance Content Security delivers a powerful all-in-one solution that provides strong protection and control for business network communications, stops network threats including viruses, worms, spyware, spam and phishing, and controls unwanted mail and Web content while reducing the operational costs and complexity of deploying and managing multiple point solutions.