How to prevent hacking of iPhone?

I left my iPhone with family while I was out. They accessed my text messages and used my Facebook account to start drama. How to prevent hacking of iPhone?

Don't leave your iPhone out and set the passcode lock.

http://ipod.about.com/od/iphonetroubleshooting/a/iphone-security.htm

- Dominic

Set a passcode. How-to video.

http://www.youtube.com/...Dw0q_P9Ad4

Use a passcode, thats common sense. Set it to autolock in 3 minutes, so if you set it down it will lock by itself.

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