Your school is in a safe neighborhood, but there have been a few thefts at ATMs. You work part-time in your school's campus security office and have been asked to prepare tips for students about ATM safety.

Which of the following will you NOT recommend?
a. Using ATMs during daylight hours
b. Checking the surroundings for suspicious individuals
c. Using well-lit ATMs in busy areas
d. Sharing your PIN with a trusted friend