Patching is a modification to software, or the underlying computer system, designed to fix a security vulnerability or a a performance issue (bug), or add new features.


Usually patching is a part of software lifecycle management, and a strong strategy and plan can improve the usability and performance of an environment. From a cyber threat resilience standpoint, a robust patch management program is crucial as a significant percentage of security issues arise from systems where there is a known vulnerability and an existing patch is available.


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