Meaning & use
Exfiltration
Last updated
The unauthorized transfer or removal of data from a computer system, or the covert extraction of a person from hostile or dangerous territory.
See it in a sentence
Security analysts detected an exfiltration of customer records to an external server overnight.
The team planned a nighttime exfiltration of the stranded operative by helicopter.
A note on using this word
Originally a military term for covertly removing personnel from enemy territory, now widely used in cybersecurity to describe stolen data leaving a network.
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