Virtual Private Networks (VPNs) let you establish a secure communications channel between your computing device and a server. After connecting to the server, you could gain access to a private network that has work files or applications, or use the server as a relay point to then access Internet content when browsing from a public network.
There are several reasons for using a VPN: you might need to remotely access information held on corporate servers while travelling or working from home; you might be wary of the insecure wireless networks you’re using; or you might want to access online content that’s blocked on the network you’re connected to but is accessible from the server somewhere else. Sometimes a company will require you to use a VPN, meaning the company will dictate the security and type of VPN you use (for example, your employer). Whereas when you make a consumer decision to use a VPN you’re responsible for making these decisions on your own.
In the wake of Edward Snowden’s revelations, a large number of consumer VPN providers have sprung up, and security experts now often suggest that you use a VPN when accessing the Internet from an insecure network (e.g., a café, public library, or other free Wi-Fi hotspot). This blog post will help you understand what to look for when choosing between different VPN services.
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