A suspicious e-mail was received at Greenway Medical Center and included an attachment. Three of the staff members opened the attachment. Within an hour, there were problems with the computer system throughout the office - response time was very slow, there were screens that appeared to be scrambled, and a dialogue (pop-up) box appeared in the middle of the screen that would not close. The office contracts out their information technology (IT) maintenance. After reviewing the situation, the IT consultant informed the office manager that the system was infected by a computer virus because the system was unprotected from outside access. How could the office have avoided such a situation?

What will be an ideal response?

Installing a firewall would have prevented this attack.