There are several types of security in a network, covering both physical and digital aspects. Here’s an overview of some key types: 1. Physical Security Surveillance Systems: Includes CCTV cameras, motion detectors, and access control systems to monitor and secure the physical premises where network hardware is located. Access Control: Securing access to data centers, server rooms, and network cabinets through locks, biometric systems, key cards, etc. 2. Network Security Firewalls: Devices or software that monitor and control incoming and outgoing network traffic based on security rules. Intrusion Detection and Prevention Systems (IDPS): Tools that detect and possibly prevent unauthorized access or attacks. Virtual Private Network (VPN): Secure connections over public networks, ensuring data privacy and encryption. Network Access Control (NAC): Policies and protocols that restrict unauthoriz