Definition of "exfiltration"

exfiltration

noun
countable and uncountable, plural exfiltrations
1. (military) The process of exiting an area (usually behind enemy lines or in enemy territory).
2. (civil engineering) A method for managing storm water runoff.
3. (sciences) A filtering out (usually movement of a substance through a barrier).
4. (biology) A gradual movement of a substance to exterior (as through cell membrane to extracellular fluid or medium).
5. (computing) Covert extraction of data from a system.
  Quotations
  Phishing is sending emails or other electronic communications to fraudulently or unlawfully induce recipients to reveal personal or sensitive information, such as passwords, dates of birth, Social Security numbers, passport numbers, credit card information, financial information, or other sensitive information, or to gain access to accounts or records, exfiltration of documents or other sensitive information, payment and/or financial benefit.
  2023 July, Microsoft, Microsoft Services Agreement‎