Primary definition
A software process that replaces data previously stored on storage media with a predetermined set of meaningless data or random patterns. (CNSSI-4009) (NISTIR) Cyber Glossary A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Also known asdata overwrite · secure overwrite · overwriting · data erasure · secure erasure · data destruction
1 sources cited4 related termsReviewed Aug 10, 2026
— The Cyber GlossaryView source
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TCG
A software process that replaces data previously stored on storage media with a predetermined set of meaningless data or random patterns. (CNSSI-4009) (NISTIR) Cyber Glossary A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
The Cyber Glossary · 2024
Cite this term
Permanent URL · stable across revisions
Election Security Glossary. (2026). Overwrite Procedure. In Election Security Glossary. Retrieved August 13, 2026, from https://electionsecurityglossary.com/glossary/overwrite-procedure
Sources
1 cited · last checked Aug 10, 2026
01
The Cyber Glossary
The Cyber Glossary
Single-source
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