Anti-Virus is the Check Point software blade that prevents malicious files from entering a network using virus signatures and anomaly-based protections from ThreatCloud. Anti-Virus scans files and email attachments for viruses, worms, trojans, and other types of malware. It also uses ThreatCloud, a collaborative network that delivers real-time dynamic security intelligence, to detect unknown malware based on their behavior. Firewall is a software blade that enforces security policy by inspecting and controlling network traffic. Application Control is a software blade that enables administrators to control access to web applications. Anti-spam and Email Security is a software blade that protects email infrastructure from spam, phishing, and malware attacks.