Network hardening involves implementing measures such as configuring firewalls, securing remote access points, blocking unused network ports, removing unnecessary protocols, implementing access lists, and encrypting network traffic to mitigate unauthorized access and bolster the. Network hardening involves implementing measures such as configuring firewalls, securing remote access points, blocking unused network ports, removing unnecessary protocols, implementing access lists, and encrypting network traffic to mitigate unauthorized access and bolster the. Network hardening is the process of securing a computer network by reducing its vulnerabilities and strengthening its defenses against potential cyber threats. It involves implementing a series of measures designed to protect the network from unauthorized access, data breaches, malware, and other. One effective approach is known as systems or security hardening. In this blog, we define security hardening, explain its importance in cyber defense, and outline some best practices using specific tools and guidelines to effectively reduce risk. In addition to cybersecurity efforts, Chief Risk. Network hardening matters because most attackers do not need a perfect environment to succeed – they just need avoidable weaknesses, excess trust, or neglected configurations. It's not always apparent where your network's weaknesses may lie.