Which of the following is NOT an advantage of Office 365?

A) Microsoft Office 365 changes a company's expenses for software, because it pays only for the number of users who actually use the software
B) Because users can log in from multiple places that may not be secure, their accounts are at a risk of having their passwords hacked or stolen by keyloggers.
C) Microsoft guarantees that Office 365 will be available 99.9 percent of the time.
D) Office 365 provides secure access to and storage of company records and files using geo-redundant data centers

B