“Phishing is a way of attempting to acquire information such as usernames, passwords, and credit card details by masquerading as a trustworthy entity in an electronic communication.” http://en.wikipedia.org/wiki/Phishing
“Phishing is typically carried out by e-mail spoofing or instant messaging” http://en.wikipedia.org/wiki/Phishing
The effect of phishing can result can result in the loss of someone’s identity personal details such as credit card details, running up of huge debts and even repossessions of vehicles and property. They are usually addressed to a ‘valued customer’ whereas a bank or something else would call you by your name.
In school they could prevent people from accessing certain websites such as some things that email sends links for such as pages where you will ad any personal details into.