NeoBux

This is a popular one am sure you must have heard about it somewhere
anyways its security is impressive but first you have register by Clicking this link

ok now i guess you have successfully logged into the account now click View Advertisements now you will see some small kind of banners there
click on one of them and click on the small image that appears and it will open in a new window and on the top you will see the progress bar and that takes about 30 seconds and after that the logo will change to Advertisement validated! then you can close that page and open a new one
If you close it beforehand then you wont get any money

You know what the good part is now this site has changed its minimum payout to $2 so you can cash-out as soon as you have $2

ok now here's something i found mentioned on the site which 99% of people wont even try to find out so here it is

• We have the right to suspend your account at any time for any valid reason including, but not limited to, the disrespect of our Terms of Service.
  
• All suspended accounts will have all their balances reset, all referrals taken away and no refunds will be given.
  
• All suspended accounts will be archived and you cannot register using the same username or email addresses.
  
• After 30 days of inactivity, your account will be temporarily suspended and permanently suspended after 60 days of inactivity. An inactive user for 72 hours after registration will have the account permanently suspended.
  
• We won't delete user's accounts for any reason even if they are active, terminated or suspended.
  

Be sure to keep these points in mind.