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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.
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 zero trust architecture (ZTA) is an enterprise's cyber security plan that utilizes zero trust concepts and encompasses component relationships, workflow planning, and access policies. Therefore, a zero trust enterprise is the network infrastructure (physical and virtual) and operational policies that are in place for an enterprise as a ...
[6] [7] RASP aims to close the gap left by application security testing and network perimeter controls, neither of which have enough insight into real-time data and event flows to either prevent vulnerabilities slipping through the review process or block new threats that were unforeseen during development. [8]
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
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.
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.
A firewall is a sophisticated filtering device that separates LAN segments, giving each segment a different security level and establishing a security perimeter that controls the traffic flow between segments. Firewalls are most commonly deployed at the Internet Edge where they act as boundary to the internal networks.