Ann. An employee in the payroll department, has contacted the help desk citing multiple issues with her device, including: Slow performance Word documents, PDFs, and images no longer opening A pop-up Ann states the issues began after she opened an invoice that a vendor emailed to her. Upon opening the invoice, she had to click several security warnings to view it in her word processor. With which of the following is the device MOST likely infected? a. Spyware
b. Crypto-malware
c. Rootkit
d. Backdoor

d. Backdoor

Explanation:

A backdoor is a type of malware that overrides security checks and authentications to access a computer or embedded device.

When this is done, remote access is granted and databases and servers can be accessed and modified. Attackers can also give remote commands to the system.

What happened to Ann in the payroll department is probably a backdoor attack that affected her device.

only #2 represents an object at rest on a table.

in #1, there is no normal force due to the table; the object is accelerating downward.

in #3, the vertical forces are not balanced; the object is accelerating downward.

in #4, neither the vertical nor the horizontal forces are balanced. the object is accelerating upwards and to the right.