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

Definition of exfiltrate

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

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Other Words from exfiltrate

exfiltration \ ˌeks-​(ˌ)fil-​ˈtrā-​shən How to pronounce exfiltration (audio) \ noun

Examples of exfiltrate in a Sentence

Recent Examples on the Web CallStranger can also be used to exfiltrate data inside networks even when they’re protected by data loss prevention tools that are designed to prevent such attacks. Dan Goodin, Ars Technica, "UPnP flaw exposes millions of network devices to attacks over the Internet," 11 June 2020 Once inside the network, officials said, the hackers were able to download and exfiltrate data from Equifax to computers outside the United States. Eric Tucker, Anchorage Daily News, "US charges 4 members of Chinese military in enormous 2017 Equifax data breach," 10 Feb. 2020 The company will also pay $500,000 for exploits that exfiltrate data out of a Pixel or bypass its lock screen. Dan Goodin, Ars Technica, "Google will pay $1.5 million for the most severe Android exploits," 21 Nov. 2019 And then it was complicated from there because the U.S. forces had to clear the tunnel, obtain DNA and exfiltrate the force. NBC News, "Meet the Press - October 27, 2019," 27 Oct. 2019 The New Jersey man created a programming script designed to exfiltrate data. Dan Goodin, Ars Technica, "Man planted keyloggers in companies’ networks and stole their data," 24 Oct. 2019 The departing Americans did manage to exfiltrate some of the most notorious IS prisoners being held in north-eastern Syria. The Economist, "Another fine mess Donald Trump triggers a Turkish invasion and trashes the national interest," 17 Oct. 2019 The Times also notes that the CIA had tried to exfiltrate the informant in late 2016 – for reasons that had nothing to do with Trump’s handling of classified info, since Trump was not yet in office. Victor Davis Hanson, National Review, "CNN: Everything but the News," 17 Sep. 2019 An attacker could potentially exfiltrate data to a thumb drive or external hard drive, replace a server's operating system with a malicious one, or even take the server down. Wired, "Supermicro Bug Could Let "Virtual USBs" Take Over Corporate Servers," 3 Sep. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'exfiltrate.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of exfiltrate

1947, in the meaning defined at transitive sense 1

History and Etymology for exfiltrate

ex- entry 1 + infiltrate

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Time Traveler for exfiltrate

Time Traveler

The first known use of exfiltrate was in 1947

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Statistics for exfiltrate

Last Updated

27 Jun 2020

Cite this Entry

“Exfiltrate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/exfiltrate. Accessed 15 Aug. 2020.

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