An email user has been lured into clicking a link in an email sent by their company's security organization. The webpage that opens reports that it was safe, bu...

An email user has been lured into clicking a link in an email sent by their company's security organization. The webpage that opens reports that it was safe, but the link may have contained malicious code.
Which type of security program is in place?

A. user awareness B. brute force attack C. physical access control D. social engineering attack