One of the most successful method is achieved with the used of keyloggers and spy software. There are lots of spyware, logging tools available today such as 007, RemoteSpy, Netvizor, Email Spy, Chat Spy, Spector Pro, eBlaster, Invisible Keylogger, to name a few. This software will create a self extracting or installation file, you can then run it in the computer for surveillance, or email it to your target. The only question is, how can you convinced the recipient to open it?

Most hackers does not really hacking passwords by penetrating Yahoo, Hotmail, Gmail, and AOL servers, instead they will go for the easy way - the end user, that's you. It's not what you see on the movies such like "Hackers," "SwordFish," and so on. Too good to be true! They don't actually hack, but logs every stroke on your keyboard including the passwords you have input.

Keep in mind that computer surveillance Programs should be used only if necessary, it was not created to invade someone's privacy. If you are going to use it, be a responsible user.