–verb (used without object)I just heard the word used (with an object) to refer to the unauthorized sending of information out of a computer—or more generally out of an organization—e.g., by spyware.
1. to escape furtively from an area under enemy control.
–verb (used with object)
2. to smuggle (military personnel) out of an area under enemy control.
The worm infiltrated the corporate IT system and then exfiltrated the company's personal records.