Employees receive a benefits enrollment email from the company’s human resources department at the beginning of each year. Several users have reported receiving the email but are unable to log in to the website with their usernames and passwords. Users who enter the URL for the human resources website can log in without issue.
Which of the following security issues is occurring?
A . Several users’ computers were not configured to use HTTPS to access the website
B . The human resources servers received a large number of requests, resulting in a DoS
C . The internal DNS server was compromised, directing users to a hacker’s server
D . Users received a social engineering email and were directed to an external website
Answer: D