Decryption
nouncandidate·updated May 12, 2026
The process of changing ciphertext into plaintext using a cryptographic algorithm and key.
MWENISTIR 7298: Glossary of Key Information Security Terms, Revision 2
Senses
SANS Glossary of Security Terms
Decryption is the process of transforming an encrypted message into its original plaintext.
National Initiative for Cybersecurity Careers and Studies (NICCS) Cybersecurity Lexiconextended definition available
The process of transforming ciphertext into its original plaintext.
ISACA Cybersecurity Glossary
A technique used to recover the original plaintext from the ciphertext so that it is intelligible to the reader The decryption is a reverse process of the encryption.
NISTIR 7298: Glossary of Key Information Security Terms, Revision 2
The process of transforming ciphertext into plaintext.
NISTIR 7298: Glossary of Key Information Security Terms, Revision 2sense 3 pending review
Conversion of ciphertext to plaintext through the use of a cryptographic algorithm.
Wordset Dictionary
the activity of making clear or converting from code into plain text
Classifications
Entity Type
Process0%rule-basedmulti_axis_classifier_low_confidence.v1
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Sensitivity
—85%llm-generatedllm:claude-haiku-4-5
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Information Class
—90%llm-generatedllm:claude-haiku-4-5
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Variants
- synonym
- decipherdecodedecodingdecrypt
- plural
- Decryptions
- possessive
- Decryption's
- pluralpossessive
- Decryptions'