Designed with the most demanding messaging networks in mind, WatchGuard™ XCS 770, 970 and 1170 Extensible Content Security Appliances are easy-to-use, enterprise-class email security, privacy and compliance solutions that protect against inbound threats and control outbound information to prevent data loss. They offer the most effective enterprise-class messaging security solution for protection from spam, viruses, malware, blended threats, spyware, phishing, and network attacks, as well as automated content security of outbound communications to prevent data leakage across email and web.