Popular Mechanics has a great article on identity theft and online fraud. Jon Erickson gives a synopsis on current digital dangers. Librarians are probably familiar with many of them, but your public might not be so familiar. Test your knowledge:
Zombie Computers - RAT's install hidden code that allows your computer to be controlled remotely.
Man-in-the-Middle attacks: Hackers pose as the real merchant letting victims sign in over Secure Sockets Layer connection and the hacker uses that information to steal credit card numbers or personal information.
Evil Twins: A fake wireless internet hot spot that allows for hackers to steal credit or personal information.
Read the entire article for more information on Phishing, Trojan Horses, URL Obfuscation, DNS Cache Poisoning and Pharming.