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A virtual private network ? better known as a VPN ? is a key way to help protect your privacy when online, especially when you’re logging on from a public space such as a hotel lobby, coffee shop, library, or airport. When you sign up with a VPN provider, you first log onto that service before you connect to the internet. When you do this, government agencies, businesses, hackers or others don’t see your IP address when you’re searching the web.<img width="305" src="">Most VPN providers charge for their services. Others, though, don’t. You might be tempted to sign up for one of these free services. After all, who doesn’t like to save money? But are http://cqms.skku.edu/b/lecture/242625 to use? Maybe not.Free VPNs are more likely to track your data. The CSIRO study said 65 percent of paid VPN providers didn’t track users’ online activity, but only 28 percent of free services did the same. Why? Free services need to make money somewhere. If they're not charging you to use their service, how else do they earn a profit to support the product they provide? At the same time, paid VPNs are more likely to provide stronger encrypting services. That’s because they’re profiting from subscriptions. They’re more likely then, arguably, to spend the money necessary for stronger encryption methods.