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Security Perimeter Definition: A security perimeter is a boundary implemented through a combination of physical and logical controls to protect an organization's network and systems from unauthorized access and threats.
Security Perimeter refers to the boundary that separates an organization's internal network and systems from external entities. It consists of security measures such as firewalls, intrusion detection systems, and access controls to protect against unauthorized access and cyber threats from the outside. The security perimeter helps to safeguard sensitive data and resources by defining a clear line where security measures are enforced to reduce the risk of unauthorized access or data breaches.