If you have a teen in the home, beware: there's a good chance he or she is hiding what they're doing on the Web.
According to security firm McAfee, a whopping 70 percent of teens aged 13 to 17 have admitted to hiding their online activities from parents. McAfee found that 43 percent of the surveyed teens access simulated violence on the Web, while 32 percent view nude content or pornography.
Interestingly, parents don't necessarily think that their children are doing anything wrong on the Web. In fact, McAfee, which surveyed a total of 2,017 people, found that about half of all parents believe their teens tell them everything they're doing online.
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Those sneaky teens: What they're really up to online | Security & Privacy - CNET News