An investigator recently discovered that an attacker placed a remotely accessible CCTV camera in
a public area overlooking several Automatic Teller Machines (ATMs). It is also believed that user
accounts belonging to ATM operators may have been compromised. Which of the following
attacks has MOST likely taken place?

A.
Shoulder surfing

B.
Dumpster diving

C.
Whaling attack

D.
Vishing attack

Explanation: