Defined term
Null
Null: Dummy letter, letter symbol, or code group inserted into an encrypted message to delay or prevent its decryption or to complete encrypted groups for…
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Election Administration
Definition
Dummy letter, letter symbol, or code group inserted into an encrypted message to delay or prevent its decryption or to complete encrypted groups for transmission or transmission security purposes. (CNSSI-4009) (NISTIR)
Sources
1
The Cyber Glossary
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