Within the context of the three recognized data states, what term describes information that an application is actively reading from or writing to volatile memory, thereby exposing it in plaintext during the processing cycle?
'Data in use' refers to data actively processed within system memory (RAM) by applications or services. Because this data must be available to the CPU, it is typically in an unencrypted state and is vulnerable to threats such as memory-scraping malware or unauthorized access. Securing data in use requires different techniques (for example, memory encryption or secure enclaves) than those applied to data at rest or in transit.
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Why is 'data in use' more vulnerable compared to 'data at rest' or 'data in transit'?
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What are some security measures used to protect 'data in use'?
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How does 'data in use' differ from 'data at rest' and 'data in transit' in terms of encryption needs?