This document discusses phishing, which is an attempt to acquire personal information like usernames, passwords, and credit card details through fraudulent emails or websites. Phishing works by tricking users into entering information on fake websites designed to look like legitimate ones. It outlines the history and techniques of phishing, as well as the large financial and trust impacts it has. The document also provides tips on how to prevent phishing and examines a case study of the Mumbai mafia phishing IT professionals in Bangalore through benami bank accounts.