The following are the different types of data erasure methods: You can read our blog on difference between data erasure and data deletion. However, data erasure does not mean permanent deletion of files by pressing SHIFT + DEL keys on Windows or Option + Command + Delete keys on macOS. In some instances, data erasure could also mean performing a device-specific Block Erase procedure or sanitizing the cryptographic key in Self-Encrypting Drives (SEDs). Types of data erasure methods for the different media typesīefore diving into the data erasure methods, based on using specific techniques and standards, be aware that “data erasure” technically means overwriting the memory locations on a storage media with binary patterns like ones and zeroes. Ideally, your organization would seek the best data erasure method for any storage media type such as rack-mount servers, RAID-configured Network-Attached Storage (NAS), laptops and workstation machines, standalone hard disk drives and solid-state drives, USB flash storage, etc. Effective erasure of this data is crucial to attain compliance with data protection laws and safeguard your business from data breach risks.Ĭonsidering this need, knowing the appropriate data erasure method(s) for specific storage media types is crucial in the overall data destruction strategy. Summary: This blog provides insight into the various data erasure methods for erasing (or wiping) magnetic storage media such as HDDs and tapes and flash storage media, including SSDs, USB pen drives, memory cards, and smartphone internal storage.Īs an organization, you might have several data storage devices with sensitive information such as customers’ personal data and business intelligence.
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