Primary definition
Data storage device with built-in cryptographic processing that may be utilized to encrypt and decrypt the stored data, occurring within the device and without dependence on a connected information system. Source: NIST SP 800-88 Rev 1 (adapted)
Also known asSED · self-encrypting drives · self-encrypting storage devices · hardware-encrypted drives · encrypted storage devices
1 sources cited4 related termsReviewed Aug 10, 2026
— Committee on National Security Systems Glossary CNSSI 4009-2015View source
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CNSSGC
Data storage device with built-in cryptographic processing that may be utilized to encrypt and decrypt the stored data, occurring within the device and without dependence on a connected information system. Source: NIST SP 800-88 Rev 1 (adapted)
Committee on National Security Systems Glossary CNSSI 4009-2015 · 2024
Cite this term
Permanent URL · stable across revisions
Election Security Glossary. (2026). Self Encrypting Devices / Self Encrypting Drives (sed). In Election Security Glossary. Retrieved August 20, 2026, from https://electionsecurityglossary.com/glossary/self-encrypting-devices-self-encrypting-drives-sed
Sources
1 cited · last checked Aug 10, 2026
01
Committee on National Security Systems Glossary CNSSI 4009-2015
Committee on National Security Systems Glossary CNSSI 4009-2015
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