In the field of computer security, phishing is the criminally fraudulent process of attempting to acquire sensitive information such as usernames, passwords and credit card details by masquerading as a trustworthy entity in an electronic communication.

Phishing is typically carried out by e-mail or instant messaging, and it often directs users to enter details at a fake website whose look and feel are almost identical to the legitimate one. (Wikipedia)

Did you know that clicking on an innocent link on a webpage while logged into Twitter allows a malicious cracker to update your Twitter status without you knowing? This links is usually invisible or placed under a commonly used button.This is known as click jacking.

An example of clickjacking on Twitter was revealed by James Padolsey who also recommended that one install the NoScript firefox addon as a method of protection. See his article to get an example of clickjacking in action.