An organization discovered files with proprietary financial data have been deleted. The files have been recovered from backup, but every time the Chief Financia...

An organization discovered files with proprietary financial data have been deleted. The files have been recovered from backup, but every time the Chief FinancialOfficer logs in to the file server, the same files are deleted again. No other users are experiencing this issue. Which of the following types of malware is MOST likely causing this behavior?

A. Logic bomb B. Cryptomalware C. Spyware D. Remote access Trojan