Petyr Has Been Called into Fictional Corp to Perform a Security

Multiple Choice

Petyr has been called into Fictional Corp to perform a security audit of their systems. One of the things that he notes on his report is that the sales department is using FTP to remotely upload scanned copies of physical order sheets from customers. Why is this an issue?

A) Sales reps may not be comfortable using an FTP client; a web browser interface would be much easier for them to use.
B) FTP will time out their sessions if inactive for 10 minutes.
C) FTP is considered insecure.
D) Sales reps may be tempted to share their username and password with others to perform the task for them.