Vpn what is

Think of how many devices in your home connect to the internet. You have your laptops, tablets, smart phones, and voice assistants. You might even have smart appliances that access the web. Some VPN providers might offer different plans that allow for a higher or lower number of simultaneous connections.

In general, you can expect to pay more for a greater number of connections. Top providers allow you to connect 10 or more devices simultaneously. Pop-up ads can be annoying and dangerous. Even worse, cybercriminals often use pop-up ads — if you click on them — to infect your computer with malware. You want a VPN service that blocks ads, then. Again, most paid services will do this. And you can see that each VPN provider in our list does block ads.

What if your connection with your VPN provider drops? Usually, your laptop, smartphone or other device will revert back to public Internet Protocol address provided by your home Internet Service Provider. This means that snoops could then be able to track your online activity and see your IP address until you connect back with your VPN provider. Some VPN providers offer a kill switch feature to deal with this. If the VPN connection drops, the kill switch is designed to instantly sever your connection to the internet.

The logging of data is why many tech experts recommend that consumers avoid free VPN services. These services might log your data and then sell them to others as a way to make money because they are not collecting monthly subscriptions. Remember, the purpose of a VPN is to protect your online privacy. Learning about VPNs may seem like it requires a specialized vocabulary. Encryption is essential to helping keep your data unreadable by hackers, private companies, and possibly by government agencies.

Encryption jumbles up your data so that others can't make sense of it without the specific decryption key. In , AES became the U. It has since become the standard form of encryption for the rest of the world, too. A record of all your internet activity using a particular web browser, including keywords you searched for and websites you accessed. One of the main reasons users rely on VPNs?

They want to get around geo-restrictions. These restrictions are often put in place by entertainment companies that only want to distribute content to certain regions. Check your streaming service agreement for its Terms of Service, and also be mindful that some countries may have penalties for using VPN to circumvent its rules.

IPsec is a series of protocols, or rules, that virtual private networks use to secure a private connection between two points, usually a device such as a laptop or smartphone and the Internet. Without these protocols, VPNs would not be able to encrypt data and ensure the data privacy of users. Short for Internet Service Provider, this is a service you pay for to connect to the internet. ISPs can record your browsing history and may be able to sell it to third parties, for marketing or other purposes.

Users sign up with a VPN provider for online privacy and data security. This means that your online activity can now be tracked. A kill switch, though, prevents this from happening. This way, your online activity won't be monitored by others. Not all VPN providers offer this feature, so look for it when shopping around. L2TP on its own, though, does not encrypt data, so does not provide complete privacy for users.

A wireless network in a public place that allows you to connect a computer or other device to the internet. Public Wi-Fi is often unprotected and potentially accessible to hackers. A service that allows you to search for information using keywords on the internet. Many popular search engines record your search history and can make money off that information. A company that provides a virtual private network — essentially routing your connection through a remote server and encrypting the data.

You probably have plenty of devices connected to the internet at any one time, everything from your smartphone to your laptop to the desktop computer in your home office. Many VPN providers now offer protection for all your simultaneous internet connections with one account. This is important: You might think to log into a VPN before searching the internet on your laptop.

A VPN gives you online privacy and anonymity by creating a private network from a public internet connection. It masks your internet protocol address to keep your online actions private. It provides secure and encrypted connections to provide greater privacy and security for the data you send and receive.

A virtual private network connection allows you to access the internet through a remote server, hiding your actual location and browser history, and encrypting your data.

This refers to the privacy that using a VPN provides. For instance, a VPN encrypts your data, disguises your location, and conceals your browsing history and the data you transmit via the internet.

A VPN client makes it easier for users to connect to a virtual private network. That's because it is the actual software that is installed on your computer, phone or tablet. However, many users choose to work with third-party VPN clients that offer different features and user interfaces.

VPN protocols are similar to a set of instructions. VPN providers use these protocols to make sure that users are able to connect securely to a virtual private network. There are several VPN protocols available, all with their own strengths and weaknesses.

OpenVPN is one of the more popular protocols. Users like OpenVPN because it is secure and works with most operating systems. The biggest downside of OpenVPN? It can offer slower connection speeds than other protocols.

Synonymous with VPN service, this is a service you sign up for that allows you to connect to a virtual private network by providing a temporary IP address that hides your actual address. VPN services allow you to connect to the internet through remote servers that they either own or have access to. This disguises your location. A service you sign up for that allows you to connect to a virtual private network by providing a temporary IP address that hides your actual address.

You might sometimes hear your virtual private network referred to as a VPN tunnel. This is just another name for the encrypted connection between your device — a laptop, phone, tablet or desktop computer — and the internet. Once you are using a VPN tunnel to connect to the internet, your ISP, private companies, or the government can no longer see the sites you are browsing or the links you are clicking.

Instead of showing your real location, the sites you surf will only register the location of the VPN provider with which you are working. A web browser that includes a built-in VPN service, allowing you to hide your browsing activity on the internet. A record of what you searched for on the internet. Your internet service provider and your web browser likely have a complete history of your internet search activity. A wireless network using a radio frequency to connect your computer and other devices to the internet and each other.

A virtual private network, better known as a VPN, protects your identity and browsing activity from hackers, businesses, government agencies, and other snoops. When connecting to the internet, your data and IP address are hidden by a type of virtual tunnel. This keeps others from spying on your online activity. When you sign up with a VPN provider, you first log onto that service before you connect to the internet.

Your VPN provider will encrypt your data, scrambling it so that hackers, government agencies, and businesses can't see what websites you visit, messages you send, social media sites you use, or files you download.

A quality VPN is a safer way to search the internet. Without a VPN, your browsing and downloading activity could be visible to hackers, snoops, and cybercriminals. A hacker could intercept your email messages, mine personal data such as your Social Security number, or uncover the password to your online banking portal or credit card.

Any of this could expose you to identity theft or fraud. That's why logging onto a VPN, which protects your privacy, is one of the safest ways to browse the web. VPNs are not illegal in the United States. However, not all countries have the same laws regarding these services. You should know, too, that if you commit an illegal act online using a a VPN, that act is still illegal. Customers often use VPNs so that they can stream sporting events and TV shows that they may be blocked from accessing in their own region.

Using a VPN to pretend that you are logging onto the internet from a different location might violate the service agreements of streaming services. You can choose from many free VPNs. This could be useful if you are on a limited budget. Be aware, though, that free VPN services might not provide the same type of browsing privacy that pay services offer.

Free VPNs have to make money somehow. They might do this by tracking and collecting your browsing data and selling it to third parties, like advertisers. Others might hit you with a steady stream of online ads. Free VPNs might be easier on your wallet, but using one might compromise some of your privacy. Torrenting is a common name for a specific protocol used to transfer data and files over the web, but not the actual types of files.

Piracy, on the other hand, is completely illegal regardless of the tools that you use to do it. Most of the quality VPN solutions in the market will allow torrenting. Another aspect worth considering when choosing a VPN for torrenting is the download speeds that the service can offer. Of course, this sort of information can be hard to come by; most of the time you only find out after you buy the VPN.

But like with most things on this list, it all comes down to the specific VPN that you use. The way Netflix and Hulu block some of their content in parts of the globe is based on location filters. VPNs make this easy to fix. Since you can select the server that you want to connect with, all you need to do to unlock certain Netflix shows is connect to a server in a country where that show is available.

Both platforms let you set up a VPN connection rather easily. We also did our own VPN permissions test here. Your smart TVs and Kodi boxes are yet more things that require a live internet hookup to provide you with their goodies.

Other VPNs in the market provide you with similar options. NordVPN has a great blog post on how to watch movies on Kodi. In that scenario, you no longer need to install individual apps on your mobile devices, laptops, smart TVs or anything else with web access. First, make sure that your router is compatible with VPNs. This can be done on the website of the manufacturer that produced the router. Even though Tor and VPN are fundamentally different, they can still be used together for maximum security and online privacy.

All you need to do is grab the official Tor web browser. At this stage, you have the VPN connection and the Tor web browser running at the same time. Tor on its own slows down your experience noticeably, and when combined with a VPN, the results can be even more dramatic. On the plus side, it gives you super privacy , which is a huge plus. A kill switch is a feature that automatically kills your internet access if the encrypted, safe connection should ever drop.

IP leaks are a known vulnerability with some setups people use to access the web. For example, you want to access a geo-restricted show on Netflix, so you change the server to an approved country and reload the page. Then you realize that the content is still blocked. This means that your real IP might have just been leaked.

The best VPNs all have some clever scripts programmed into their apps to minimize this risk. Sometimes the configuration of your computer and the many apps within are to blame.

Even the browser you use and the add-ons installed in it can cause IP leaks. Overall, use a VPN if your web privacy, security, and anonymity are important to you.

VPNs are incredibly useful as another layer of security on top of SSL protocols on websites, having a good antivirus program, not downloading shady software, not sharing too much private information on social media, and so on.

There are not many downsides to them. Perhaps the only one being that your connection can sometimes slow down. What do you think? Are you convinced of the idea of a VPN and thinking about getting one? Take a look at our plentiful reviews comparing more than 70 popular VPNs. Here is our list of best VPN services. But how does it exactly work?

It tracks you via an IP address. Your network traffic is routed through your ISP's servers, which can log and display everything you do online. ISPs can also fall victim to attacks by cyber criminals: If they are hacked, your personal and private data can be compromised. This is especially important if you regularly connect to public Wi-Fi networks. You never know who might be monitoring your internet traffic and what they might steal from you, including passwords, personal data, payment information, or even your entire identity.

You should rely on your VPN to perform one or more tasks. The VPN itself should also be protected against compromise. These are the features you should expect from a comprehensive VPN solution:. Since humans have been using the internet, there has been a movement to protect and encrypt internet browser data.

The US Department of Defense already got involved in projects working on the encryption of internet communication data back in the s. At the internet level, local networks and devices could be connected to the universal network — and this is where the risk of exposure became clear. In the following year, Wei Xu developed the IPSec network, an internet security protocol that authenticates and encrypts information packets shared online.

Contiguous to Singh-Pall developing PPTP, the internet was growing in popularity and the need for consumer-ready, sophisticated security systems emerged.

At that time, anti-virus programs were already effective in preventing malware and spyware from infecting a computer system. However, people and companies also started demanding encryption software that could hide their browsing history on the internet.

The first VPNs therefore started in the early s, but were almost exclusively used by companies. However, after a flood of security breaches, especially in the early s, the consumer market for VPNs started to pick up.

According to the GlobalWebIndex , the number of VPN users worldwide increased more than fourfold between and In countries such as Thailand, Indonesia and China, where internet use is restricted and censored, one in five internet users uses a VPN. One of the biggest drivers for VPN adoption in recent years has been the increasing demand for content with geographical access restrictions.

For example, video streaming services such as Netflix or YouTube make certain videos available only in certain countries. With contemporary VPNs, you can encrypt your IP address so that you appear to be surfing from another country, enabling you to access this content from anywhere. A VPN encrypts your surfing behavior, which can only be decoded with the help of a key.

Different VPNs use different encryption processes, but generally function in three steps:. There are many different types of VPNs, but you should definitely be familiar with the three main types:. Often not all employees of a company have access to a company laptop they can use to work from home. During the corona crisis in Spring , many companies faced the problem of not having enough equipment for their employees. In such cases, use of a private device PC, laptop, tablet, mobile phone is often resorted to.

In this case, companies fall back on an SSL-VPN solution, which is usually implemented via a corresponding hardware box. The prerequisite is usually an HTMLcapable browser, which is used to call up the company's login page.

HTML-5 capable browsers are available for virtually any operating system. Access is guarded with a username and password. A site-to-site VPN is essentially a private network designed to hide private intranets and allow users of these secure networks to access each other's resources.

Site-to-site VPNs are also useful if you have two separate intranets between which you want to send files without users from one intranet explicitly accessing the other. Site-to-site VPNs are mainly used in large companies. However, they are the most effective way to ensure communication within and between large departments. Connecting via a VPN client can be imagined as if you were connecting your home PC to the company with an extension cable. Employees can dial into the company network from their home office via the secure connection and act as if they were sitting in the office.

However, a VPN client must first be installed and configured on the computer. This essentially shortens the tunnel phase of the VPN journey. Instead of using the VPN to create an encryption tunnel to disguise the existing internet connection, the VPN can automatically encrypt the data before it is made available to the user.

It prevents third parties from accessing and compromising the network connection and encrypts data all the way to the provider. It also prevents ISPs from accessing data that, for whatever reason, remains unencrypted and bypasses any restrictions on the user's internet access for instance, if the government of that country restricts internet access. The advantage of this type of VPN access is greater efficiency and universal access to company resources.

For example, customers of the company cannot even tell whether the employee is at work in the company or in their home office. Before installing a VPN, it is important to be familiar with the different implementation methods:.

Software must be installed for standalone VPN clients. This software is configured to meet the requirements of the endpoint. When setting up the VPN, the endpoint executes the VPN link and connects to the other endpoint, creating the encryption tunnel. In companies, this step usually requires the entry of a password issued by the company or the installation of an appropriate certificate.

By using a password or certificate, the firewall can recognize that this is an authorized connection. Some browsers, including Opera, even have their own integrated VPN extensions. Extensions make it easier for users to quickly switch and configure their VPN while surfing the internet.

However, the VPN connection is only valid for information that is shared in this browser. Using other browsers and other internet uses outside the browser e. While browser extensions are not quite as comprehensive as VPN clients, they may be an appropriate option for occasional internet users who want an extra layer of internet security.

However, they have proven to be more susceptible to breaches. Users are also advised to choose a reputable extension, as data harvesters may attempt to use fake VPN extensions.