Physical layer (OSI) #shorts
Physical security is considered to be part of the first layer of the OSI model, which is the physical layer. This layer includes all physical components involved in networking such as wires, fiber, radio waves, hubs, Network Interface Cards (NICs), and connectors.
The physical layer is responsible for the transmission of signals between different nodes on the network, and physical security is essential to ensure secure communication.
Physical security measures such as secure wiring, locked doors, and secure server rooms are important for preventing unauthorized access to the network.
In addition, the physical layer is also responsible for the transmission of signals, which means that any physical disruption on the network can cause the communication to be interrupted.
Therefore, it is important to ensure that all physical components of the network are secure to guarantee smooth communication.
Welcome to the world of Cyber Security with the Certified Information System Security Professional (CISSP). This video will give you an overview of security fundamentals and teach you the skills necessary to become a certified professional.
We’ll cover network security, data security, and access control topics. You’ll learn the principles of authentication, encryption, and digital signatures and how to detect and mitigate security threats. We’ll also discuss the technical aspects of security, including firewalls, intrusion detection systems, and vulnerability management.
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