exfiltrate
verb
ex·fil·trate
eks-ˈfil-ˌtrāt 
ˈeks-(ˌ)fil-
exfiltrated; exfiltrating
1
: to remove (someone) furtively from a hostile area
Kublinski avoided detection. He was exfiltrated from Poland, with his family, only after being compromised by a leak from the U.S. government.—
Radek Sikorski
Radek Sikorski2
: to steal (sensitive data) from a computer (as with a flash drive)
: to escape from a hostile area
Examples of exfiltrate in a Sentence
Recent Examples on the Web
These attacks can manipulate AI systems into exfiltrating sensitive data or performing unauthorized actions across enterprise systems.
—Vinod Bijlani, Forbes.com, 10 Sep. 2025
Once inside, the attackers exfiltrate sensitive data and deploy additional backdoors that provide persistent access for future use.
—Dan Goodin, ArsTechnica, 23 July 2025
Rather than trying to scrape and exfiltrate personal data, a phishing attack simply tricks the user into giving away sensitive credentials.
—PC Magazine, 20 July 2025
See All Example Sentences for exfiltrate
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Vinod Bijlani, Forbes.com, 10 Sep. 2025
Once inside, the attackers exfiltrate sensitive data and deploy additional backdoors that provide persistent access for future use.
—Dan Goodin, ArsTechnica, 23 July 2025
Rather than trying to scrape and exfiltrate personal data, a phishing attack simply tricks the user into giving away sensitive credentials.
—PC Magazine, 20 July 2025
See All Example Sentences for exfiltrate
Cite this Entry
“Exfiltrate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/exfiltrate. Accessed 17 Sep. 2025.
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