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A software-defined perimeter (SDP), sometimes referred to as a black cloud, is a method of enhancing computer security.The SDP framework was developed by the Cloud Security Alliance to control access to resources based on identity.
Governments use perimeter security not only for the safety of their citizens, but to control the flow of commerce and immigration, as well as to protect vital infrastructure from vandals and terrorists. Property owners and organizations of all sizes use various man-made technology to achieve varying degrees of perimeter security.
In 2010 the term zero trust model was used by analyst John Kindervag of Forrester Research to denote stricter cybersecurity programs and access control within corporations. [7] [8] [9] However, it would take almost a decade for zero trust architectures to become prevalent, driven in part by increased adoption of mobile and cloud services.
In computer security, a DMZ or demilitarized zone (sometimes referred to as a perimeter network or screened subnet) is a physical or logical subnetwork that contains and exposes an organization's external-facing services to an untrusted, usually larger, network such as the Internet.
The military strategy revolves around having a weaker perimeter defense and intentionally yielding space to buy time, envelop, and ultimately counter-attack an opponent, whereas the information security strategy simply involves multiple layers of controls, but not intentionally ceding ground (cf. honeypot.) The onion model of defense in depth
An example of a physical security measure: a metal lock on the back of a personal computer to prevent hardware tampering. Computer security (also cybersecurity, digital security, or information technology (IT) security) is the protection of computer software, systems and networks from threats that can lead to unauthorized information disclosure, theft or damage to hardware, software, or data ...
A fence-mounted perimeter intrusion detection system installed on a chain link fence. A perimeter intrusion detection system ( PIDS ) is a device or sensor that detects the presence of an intruder attempting to breach the physical perimeter of a property, building, or other secured area.
Security controls can also be classified according to the implementation of the control (sometimes termed control categories), for example: Physical controls - e.g. fences, doors, locks and fire extinguishers; Procedural or administrative controls - e.g. incident response processes, management oversight, security awareness and training;