An organization has implemented an additional layer of authentication for all employee logins to the corporate network. Recently, several employees reported difficulty accessing their accounts, even after entering their passwords correctly. Which of the following is the most likely cause of this issue?
The organization has recently increased the password complexity requirements.
The authentication provider is experiencing a temporary service outage.
The employees are entering their usernames incorrectly.
The employees' time settings are not synchronized between their devices and the authentication service.