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Network Hardening

Network hardening is the process of securing a network by reducing its attack surface and strengthening defenses against unauthorized access and threats. It involves configuring routers and firewalls securely, disabling unnecessary services and open ports, enforcing strong authentication, segmenting networks to limit lateral movement, and applying DNS and monitoring protections. The goal is to prevent attacks, contain potential breaches, and ensure the confidentiality, integrity, and availability of network resources—treating even a home network with the same discipline as a small business environment.