AccessEnforcer by Calyptix Security Corporation is a Unified Threat Management (UTM) firewall designed for small and medium-sized businesses (SMBs). AccessEnforcer provides network security and management capabilities, automatically blocking threats like hackers and malware while keeping network connections fast and reliable. It comes in multiple models to accommodate different network sizes, supporting up to 350 users. AccessEnforcer includes a range of security features such as intrusion detection and prevention, web filtering, VPN, and quality of service management, all included in its standard licensing for a single price.