These solutions include firewalls, intrusion detection systems (IDS), virtual private networks (VPNs), and endpoint security tools. As organizations digitize more processes, integrating these solutions becomes critical for operational continuity. Read on to explore the different types of network security, their real-world applications, and how they work together to defend your organization. Network security protects your IT infrastructure from threats like unauthorized access, malware, and data breaches by combining tools, policies, and. Network security involves tools, techniques, and policies to protect digital assets from unauthorized access and cyber threats.