Primary definition
A device that allows investigators to examine media while preventing data writes from occurring on the subject media. (SP 800-72) (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 aswrite-blocking device · forensic write blocker · hardware write blocker · software write blocker · write protection device
1 sources cited4 related termsReviewed Aug 10, 2026
— The Cyber GlossaryView source
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TCG
A device that allows investigators to examine media while preventing data writes from occurring on the subject media. (SP 800-72) (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). Write Blocker. In Election Security Glossary. Retrieved August 22, 2026, from https://electionsecurityglossary.com/glossary/write-blocker
Sources
1 cited · last checked Aug 10, 2026
01
The Cyber Glossary
The Cyber Glossary
Single-source
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