Memory in computing refers to the hardware components, such as RAM, that temporarily store data and instructions for quick access by the CPU. It enables computers to perform tasks efficiently by providing fast, short-term storage for active processes and data. In cybersecurity, memory is a critical area because sensitive information, like passwords or encryption keys, can reside there during operation. Attackers may target memory using various techniques to intercept, manipulate, or extract data, making its protection essential for system security.