☛ Some Tips To Prevent Your Account From Hacking...

Do Always ~
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[1] Change your Account Password regularly and never reuse that again in future.
[2] Always sign out when you've finished reading your mail and only select Remember me option if you're signing in from a personal computer.
[3] Clear forms, passwords, cache, and cookies in your browser on a regular basis - especially on a public computer.
[4] Keep secrets! Never tell anyone your password, or your secret question and answer; if you do tell someone, change it as soon as possible
>> Use some special commands like !, @ , %, &, * etc in ur password its very difficult for Hackers. :)
~ Do Never ~
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[1] Do not run any script while logged in your Account ;)
[2] Do not click any unknown link on your Account,
[3] Do not post ORKUT-SCRAPS from outsideyour Account,
[4] Do not use other sites to access your Account.
Use some special commands like !, @ , %, &, * etc in ur password its very difficult for Hackers.

I advise you not to run and javascripts or log in to third party sites to scrap all your friends or to increase your scrap count :) Also take a look at the links below for more help on the issue..