http://www.care2.com/causes/womens-r...nude-pictures/

"In a stark reminder that there is no such thing as security and privacy online, a man in California has plead guilty to gleaning personal information from women's facebook pages, using it to hack into their email and facebook accounts. He then searched for any sexually explicit photos and sent them to the women's contacts or posted them online."

How can you protect yourself? Or do we really have to accept the above conclusion, that there is no security or safety onlilne?