Which of the following is a security approach that combines multiple security controls and defenses? A)Cumulative security. B)Layered security. C)Network security. D)Countermeasure security. E)Perimeter security.
The correct answer is B) Layered security.
Layered security, also known as defense-in-depth, is an approach to security that involves combining multiple security controls and defenses to protect against various threats and vulnerabilities. This approach recognizes that relying on a single security control is inadequate as it can be bypassed or compromised. Instead, multiple layers of security are implemented to provide a more robust and comprehensive defense.
Each layer in layered security is designed to address a specific aspect of security, such as network security, application security, physical security, and so on. By implementing different security controls across multiple layers, organizations can ensure that even if one layer is breached, other layers will still provide protection.
Layered security typically involves a combination of technical controls, such as firewalls, intrusion detection systems, and encryption, as well as administrative controls, such as security policies, user awareness training, and incident response procedures. This multi-layered approach reduces the likelihood of successful attacks and provides a more resilient and effective security posture.
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