What do Citigroup, Lady Gaga, Sony and the CIA have in common? They've all been recent targets of hacks that resulted in embarrassing press, loss of user data, and sometimes serious financial consequences. Come find out what you can do to secure your site against such attacks! We will discuss the most common types of exploits currently used by hackers, and we will share a number of practical, simple solutions for improving your site's security without having to invest in costly new services.