Why Should You Use a Virtual Private Network (VPN) When Surfing Internet
A VPN is typically a paid service that keeps your web browsing secure and private over public Wi-Fi hotspots. VPNs can also get past regional restrictions for video- and music-streaming sites and help you evade government censorship restrictions—though that last one is especially tricky.
Your PC connects to a VPN server, which can be located in the United States or a foreign country like the United Kingdom, France, Sweden, or Thailand. Your web traffic then passes back and forth through that server. The end result: As far as most websites are concerned, you’re browsing from that server’s geographical location, not your computer’s location.
Once you’re connected to the VPN and are “inside the secure tunnel,” it becomes very difficult for anyone else to spy on your web-browsing activity. The only people who will know what you’re up to are you, the VPN provider (usually an HTTPS connection can mitigate this), and the website you’re visiting.
When you’re on public Wi-Fi at an airport or café, that means hackers will have a harder time stealing your login credentials or redirecting your PC to a phony banking site. Your Internet service provider (ISP), or anyone else trying to spy on you, will also have a near impossible time figuring out which websites you’re visiting.
On top of all that, you get the benefits of spoofing your location. If you’re in Los Angeles, for example, and the VPN server is in the U.K., it will look to most websites that you’re browsing from there, not southern California.
While VPNs are an important tool, they are far from foolproof. The problem with anonymity is there are so many issues to consider—most of which are beyond the scope of this tutorial. Does the VPN you want to use have any issues with data leakage or weak encryption that could expose your web browsing? How much information does your VPN provider log about your activity, and would that information be accessible to the government? Are you using an anonymous identity online on a PC that you never use in conjunction with your actual identity?
Anonymity online is a very difficult goal to achieve. If, however, you are trying to remain private from prying eyes or evade NSA-style bulk data collection as a matter of principle, a reputable VPN will probably be good enough.
How to Choose a Virtual Private Network (VPN) That's Right for You
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