This article outlines a step-by-step network setup process: from infrastructure planning to firewall configuration. It targets system administrators, DevOps engineers, and technically skilled SMB owners. However, for production environments, engaging qualified specialists is. Establish, implement, and actively manage (track, report on, correct) the security configuration of network infrastructure devices using a rigorous configuration management and change control process in order to prevent attackers from exploiting vulnerable services and settings. Why is this CIS. This document was developed in furtherance of NSA's cybersecurity missions. This includes its responsibilities to identify and disseminate threats to National Security Systems, Department of Defense information systems, and the Defense Industrial Base, and to develop and issue cybersecurity. Identifying vulnerabilities in your IT equipment is the first step towards fortifying your defences, and conducting security audits, assessing network security, and testing for weaknesses are essential components of this process. Since information technology (IT) equipment is capable of processing, storing or communicating sensitive or classified data, it is important that an IT equipment management policy is developed, implemented and maintained to ensure that IT equipment, and the data it processes, stores or. For improved network security, the Trusted Computing Group (TCG) is developing standards/guidance that specifically addresses the security of networking equipment.