A user at an organization receives a phone call in which the caller introduces himself as a member of the IT department. He explains that he received an alert that there may be a virus on the…

A user at an organization receives a phone call in which the caller introduces himself as a member of the IT department. He explains that he received an alert that there may be a virus on the machine and that her data may be at risk. The user has been working on a major project and does not want to lose her data, so she asks the caller if he can help backup her data just in case. The caller explains that he can, but he will need her user id and password in order to login remotely. Happy someone from the IT department will help her personally, the user provides the caller with both. What has just taken place?