Companies may need to keep the locations of their remote workers secret (which a VPN alone cannot do) or browse the competition’s Web site without being noticed. People facing threats or harassment and employees in danger of reprisals need to protect themselves. Anyone living in - or visiting - a country where the state monitors communications might need to keep prying eyes away from his or her online message board visits. There are a lot of people on the Internet for whom this is critical functionality. Your page requests enter the Tor cloud cloaked in SSL encryption, so no one monitoring you can track your activity, and they come out at a random endpoint that cannot be connected back to you. That’s what Tor can help you out with: Tor is a virtual network that funnels your HTTP traffic through an encrypted, distributed network of volunteer-run nodes. Annoying advertisers, crooks, and Big Brother can still track you through cookies, JavaScript tricks, and straight-up IP address logging - at least, if you’re using a run-of-the-mill Web browser. Simply logging out of pervasive Web services like Google and Facebook isn’t sufficient to protect your anonymity online, however. Want to throw a wrench in attempts to track your online life? Have a look at Tor. Seems like every couple of months, a major security breach story hits the news - and I don’t mean thieves cracking into Sony’s account servers I mean the police breaking down some dissident’s door in a political trouble-spot, or even companies like Apple and Google tracking everything you do without your knowledge.
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