Clear, easy-to-understand definitions of viruses, spyware, and hackers will help you understand what you're up against every time you go online. Then, you'll learn about other threats, such as identity theft, phishing, and other potential dangers you'll face in your everyday computing. Find out how to search out and destroy spyware, malware and other viscious programs that could potentially harm your computer. Then find out how to lock out hackers, spammers, and theives for good.