As virus scanners, firewalls, anti-spyware etc. improves, phishing becomes (is?) the next big threat. Studies show that many will reveal their password when asked. Other people will send their credit card information by email or in the phone based on 'you won' ads. Read this excellent NGS whitepaper - The Phishing Guide - Understanding & Preventing Phishing Attacks. Is your web safe? I also stumbled across another interesting homepage - the Anti-Phishing Working Group.