What is meant by equipment decommissioning and data sanitization?

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Equipment decommissioning and data sanitization mean retiring hardware in a way that permanently protects the data it contains and handles the disposal in a compliant, responsible manner. The best answer reflects both secure data erasure and proper handling of the asset through the end-of-life process, so privacy is preserved and environmental or regulatory requirements are met. Data sanitization isn’t just about deleting files; it involves methods that prevent data from being recovered, such as overwriting data, degaussing, cryptographic erasure, or physical destruction when appropriate, plus verification that the process is complete. Documentation and a clear chain of custody are important to prove that the data was properly handled and the equipment was disposed of or recycled according to applicable laws and environmental standards. In contrast, simply removing items from inventory while leaving data intact still leaves sensitive information accessible; selling or shredding without proper data erasure or documentation creates data and compliance risks.