At a time when online posts on a social networking platform by two students has created a furore in the online and offline worlds, security firm McAfee has come up with a survey which shares insights on how Indian teenagers behave online. The survey shows one in every four teens has been a victim of cruel behaviour online, 35 per cent willingly access pornography and almost all have been active in social networks since the age of 13. Here's a picture of the dark alleys of the online world. (Click on graphic)