exfiltrate

verb

ex·​fil·​trate eks-ˈfil-ˌtrāt How to pronounce exfiltrate (audio)
ˈeks-(ˌ)fil-
exfiltrated; exfiltrating

transitive verb

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
2
: to steal (sensitive data) from a computer (as with a flash drive)

intransitive verb

: to escape from a hostile area
exfiltration noun

Examples of exfiltrate in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Finally, a Play ransomware attack will encrypt an organization’s systems but also, as is the norm these days, exfiltrate information first so as to leverage extortion demands via leak sites. Davey Winder, Forbes, 11 Jan. 2025 In some cases, developers themselves may unknowingly include data-gathering code as part of a monetization software development kit, which stealthily exfiltrates detailed browsing data. Kurt Knutsson, Cyberguy Report, Fox News, 6 Jan. 2025 Over the following nine days, attackers allegedly exfiltrated terabytes of sensitive data, including Social Security numbers, financial information, and electronic health records. Lars Daniel, Forbes, 19 Dec. 2024 The use of overlays is increasingly common, and can be used across multiple apps to capture credentials that can be exfiltrated and used immediately. Zak Doffman, Forbes, 9 Dec. 2024 See all Example Sentences for exfiltrate 

Word History

Etymology

back-formation from exfiltration, from ex- entry 1 + (in)filtration

First Known Use

1947, in the meaning defined at transitive sense 1

Time Traveler
The first known use of exfiltrate was in 1947

Dictionary Entries Near exfiltrate

Cite this Entry

“Exfiltrate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/exfiltrate. Accessed 18 Jan. 2025.

Last Updated: - Updated example sentences
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