Our results were similar in other parts of the world, with IVPN ranking near the top regardless of the test, day, or time. The exception was in Asia, where its Hong Kong servers didn’t perform well. At the time of our initial tests in spring of 2018, IVPN didn’t offer any other servers in Asia aside from Hong Kong. Since then, the company has added locations in Singapore and Tokyo, but we haven’t run a new series of standardized tests with either location.

ExpressVPN   has 148 locations in 94 different countries which means you can dial your IP address into 148 locations around the world. ExpressVPN delivers great performance - and it’s put the effort into its software too, with dedicated apps for Windows, Mac, Linux, iOS, Android and BlackBerry as well as some Smart TVs, Amazon Fire TV Sticks, Apple TV, PS4 and Xbox and even your router. Not only that but there are solid online tutorials too, so even if VPNs are dark magic to you they’ll have you up and running in no time. P2P is fully supported and it's super speedy so you can torrent using the maximum bandwidth of your broadband connection and there’s a kill switch that keeps your IP address hidden if anything goes wrong with the VPN or with your internet connection. ExpressVPN is reasonably priced, delivers a good service and has support for three simultaneous connections. There’s no free trial available but there is a no-fuss 30-day money back guarantee if the service doesn’t meet your requirements so that's a good way to test it out if you're unsure. We have used the 24/7 customer service a number of times and can vouch for its effectiveness - we had a couple of issues with using the service on a PC and were able to sort it within a few minutes using the instant online chat support.
Hardware-based VPNs tend to be less vulnerable than software implementations because their chip-based OSs are more lightweight (i.e., they have fewer features to exploit than general-purpose OSs). Also, because they don't sit on everyone's desktop, they're less used and understood, although exploits on them aren't unheard of. For example, security researchers recently discovered several security holes in Cisco's VPN concentrators. Make sure you subscribe to your VPN vendor's security update mailing list and promptly apply all security patches.
Natively on your operating system with the built-in VPN functionality (no apps required). Many operating systems natively support VPNs: Windows, Mac OS, Android, and iOS. To use this you will need to import your VPN’s configuration files onto your device. This will use the IPSec/IKEv2 or IPSec/L2TP protocols, rather than OpenVPN, since OpenVPN can only be used through apps. (PPTP is also sometimes supported, but this VPN protocol is not recommended due to security vulnerabilities.)

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There are several different VPN protocols, not all of which are used by all of the VPN services we reviewed. Most operating systems have built-in support for at least one of these protocols, which means you can use that protocol — and a willing VPN service — without client software. The full-fledged VPN services have online instructions for how to do this, as well as how to set up routers to connect directly to the services.
The heart of the security a VPN provides is its encryption keys—the unique secret that all your VPN devices share. If the keys are too short, VPN data is susceptible to brute-force cracking. You can often choose the key length to use in your VPN implementation. The longer you make keys, the harder they are to break, but the trade-off is that longer keys also require more processor power for encryption and might slow packet throughput. The minimum recommended key length now is 64 bits (128 bits, if possible) for the symmetric ciphers that encrypt the data and 2048 bits for public key cryptography such as RSA. Modern desktop computers can often crack 40-bit and shorter keys, such as those that DES uses.
Please be aware that some of the criteria for testing are based on objective raw data such as speed test results, while other testing criteria are based on subjective personal experience and interaction with the VPN software. Due to this, our findings may not reflect your personal view. As there is a money back guarantee after a certain number of days on all of the VPN products listed on this site you should make the most of this time and perform your own testing to see if a particular product caters to your needs. If you would like to know more on how we came to our findings then please click here.
Unlike traditional head-end concentrator hardware, which are capital intensive and have long lead times for distributed enterprises, CP Secure VPN allows IT managers to secure their expanding Edge Networks using architectures that scale quickly and are easy to maintain. Configured, deployed, and managed from the cloud, CP Secure VPN delivers a virtual private data network that minimizes both cost and complexity.
Once on the public internet, those packets travel through a bunch of computers. A separate request is made to a series of name servers to translate the DNS name ZDNet.com to an IP address. That information is sent back to your browser, which then sends the request, again, through a bunch of computers on the public internet. Eventually, it reaches the ZDNet infrastructure, which also routes those packets, then grabs a webpage (which is actually a bunch of separate elements), and sends all that back to you.
VPN services can also be defined as connections between specific computers, typically servers in separate data centers, when security requirements for their exchanges exceed what the enterprise network can deliver. Increasingly, enterprises also use VPN connections in either remote access mode or site-to-site mode to connect -- or connect to -- resources in a public infrastructure-as-a-service environment.
But even if you know who’s behind your VPN, you shouldn’t trust a free one. A free service makes you and your data the product, so you should assume that any information it gathers on you—whether that’s an actual browsing history or demographics like age or political affiliation—is being sold to or shared with someone. For example, Facebook’s Onavo provides an encrypted connection to Onavo’s servers like any VPN, shielding you from the prying eyes of your ISP or fellow network users. But instead of promising not to examine, log, or share any of your traffic, Onavo’s privacy policy promises the opposite. Covering the service, Gizmodo sums it up well: “Facebook is not a privacy company; it’s Big Brother on PCP.” Facebook collects information about your device, other applications you use, and even “information and other data from your device, such as webpage addresses and data fields.” And the company “may combine the information, including personally identifying information, that you provide through your use of the Services with information about you we receive from our Affiliates or third parties for business, analytic, advertising, and other purposes.” That means Facebook can collect anything it wants, and sell it to anyone it wants.

Once on the public internet, those packets travel through a bunch of computers. A separate request is made to a series of name servers to translate the DNS name ZDNet.com to an IP address. That information is sent back to your browser, which then sends the request, again, through a bunch of computers on the public internet. Eventually, it reaches the ZDNet infrastructure, which also routes those packets, then grabs a webpage (which is actually a bunch of separate elements), and sends all that back to you.
For large-scale implementations, choose a hardware device such as a VPN concentrator or VPN-enabled network appliance. Hardware-based VPNs perform better for larger installations. Also, the security of a software-based VPN built on a host with an OS such as Windows, UNIX, or Linux depends on the underlying security of that OS. Thus, you must keep the OS patched as well as keep an eye on the VPN software.
We considered native apps for Windows, Mac, and Android to be mandatory because they’re easier to use than open-source or third-party VPN apps like Tunnelblick; that in turn makes it easier to stay secure. For more-advanced users, adding VPN connections to Wi-Fi routers can help secure all connections on a home network without having to manage devices individually.
If HTTP browsing is a postcard that anyone can read as it travels along, HTTPS (HTTP Secure) is a sealed letter that gives up only where it’s going. For example, before Wirecutter implemented HTTPS, your traffic could reveal the exact page you visited (such as https://thewirecutter.com/reviews/best-portable-vaporizer/) and its content to the owner of the Wi-Fi network, your network administrator, or your ISP. But if you visit that same page today—our website now uses HTTPS—those parties would see only the domain (https://thewirecutter.com). The downside is that HTTPS has to be implemented by the website operator. Sites that deal with banking or shopping have been using these types of secure connections for a long time to protect financial data, and in the past few years, many major news and information sites, including Wirecutter and the site of our parent company, The New York Times, have implemented it as well.
If your VPN will primarily support remote users such as telecommuters and traveling employees and these users will access internal LAN resources that use a Network Address Translation (NAT) address rather than a routable IP address, you might have problems with some vendors' VPN products. NAT lets multiple internal network hosts use nonroutable IP addresses to access the Internet through one IP address on a firewall or router. This arrangement provides an additional level of security and lets a company be much more flexible with its address assignments than if it used real IP addresses for all its hosts.

The main reason to use a VPN is security - in theory, the data that travels across your VPN should be impossible for anybody else to intercept, so it can protect your online banking or confidential business communications - but there are other benefits too. VPNs can make it much harder for advertising to track you online, and they can overcome geography-specific blocks that prevent you from accessing some country-specific services such as online video.
These folks have been around since 2010, and don't log anything. They provide a generous five connections, a connection kill switch feature, and some good online documentation and security guidance. Our one disappointment is that their refund policy is 7-days instead of 30, but you can certainly get a feel for their excellent performance in the space of a week.