Reuters reporter Joe Menn, author of "Fatal System Error," talks with Markkula Center Campus Ethics Director David DeCosse. Menn traces the history of hacking from a phenomenon involving mostly young people who were breaking into computers for sport to the years 2003-4 when spammers, blocked from many email systems, used viruses to take control of unsuspecting people's computers to send spam. Hacking now is more about organized crime, political, and geopolitical issues. Menn discusses the importance of protecting yourself online: Never use debit cards online Have a good security suite Don't open strange attachments o email