Web Reference: Data sanitization is the secure and permanent erasure of sensitive data from devices and media to prevent recovery. Learn about the different strategies, applications, and challenges of data sanitization, as well as the NIST guidelines and government policies for data sanitization. Learn what data sanitization is and why it is important for data security and privacy. Explore the four methods of data sanitization and how Imperva can help with data discovery and masking. Mar 14, 2026 · The seven proven methods of data sanitization are degaussing, overwriting, physical destruction, secure erase, cryptographic erasure, shredding, and electromagnetic destruction. Choosing the right one depends on your device type, data sensitivity, and whether you want to reuse the hardware.
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