Phishing is a term used to describe a scam, a malicious attempt aimed at trying to trick you into divulging sensitive information via electronic communication. One recent avenue for this type of attack is through emails appearing to come from your IT helpdesk requesting information, such as your username and password.
I think that the materials that the Privacy Commissioner of Canada is promoting are great. Everyone should follow the advice they present to teach their families about online privacy. Here are the links to three great tools they have launched on their www.youthprivacy.ca website.