Innocent Man's Life Destroyed by Anonymous Topix Poster
Georgia father was besieged by startling, unfounded allegations online.
Courtesy of Gene Cooley
Gaga's Twitter Hacked: Are You Next?
If it happened to Lady Gaga, it can happen to you.
Lester Cohen/WireImage/Getty Images
Review: Tools for Monitoring Your Kids' Facebook Use
An in-depth look at three Facebook monitoring solutions.
Stay Safe Online
PHOTO: Five ways to help you handle and prevent cyber-bullying.
5 Ways to Handle and Prevent Cyber-Harassment Tips from online security expert and "20/20" contributor Mary Kay Hoal.
PHOTO: Jamey Rodemeyer, 14, was found dead outside his home of an apparent suicide.
Cyberbullying: What It Is and What to Do About It Jamey Rodemeyer's suicide created an uproar. Will it help?
Mobsters, Taunters, More: 4 Kinds of Hackers Hackers are evolving, organizing and uniting.
Would Your Child Pass a Social Media Background Check? Employers can hire companies to check Facebook, Twitter accounts.
11 Kids Websites Parents Can Trust A global expert in online security offers tips to parents.
PHOTO: From The Bachelorette Bentley and Ashley Herbert
'The Bachelorette' and Online Security Online dating is like hiring: There's no substitute for face-to-face interviews.
We Find Them Cybercrime Special
20/20 6/17: Homeless Beauty Queen
20/20 6/17: Homeless Beauty Queen Blair Griffith's family was evicted weeks she was crowned Miss Colorado USA.