1. the act of secretly removing or extracting someone or something from a place, especially a person from a dangerous or hostile location
Usage: often used in military, intelligence, or security contexts
2. the unauthorized transfer or theft of data or information from a computer system or network
Usage: cybersecurity and information security term

Examples

• The special forces team planned the exfiltration of the diplomat from the war zone.
• Military personnel conducted a successful exfiltration under cover of darkness.
• The cybersecurity team detected an exfiltration of customer data from the company's servers.
• Hackers used malware to enable the exfiltration of sensitive financial records.
• The spy's exfiltration from enemy territory required months of careful planning.
• Network monitoring tools can help prevent unauthorized exfiltration of proprietary information.