What is a VPN? Why Should I Use a VPN? | Microsoft Azure (2024)

What is a VPN? Why Should I Use a VPN? | Microsoft Azure (1)

What does a good VPN do?

Now that you know the advantages of using a VPN, as well as its various types, protocols, and use cases, let's explore what to look for in a VPN provider. There are plenty of options on the market, but you'll want to select a reputable company with clear expertise, a proven track record, and trustworthy values. Here are some of the features you should look for in a good VPN provider:

Strong protocols

The most important feature of any VPN provider is security, so it's essential to choose a service that uses an industry-standard protocol with 256-bit encryption—the same kind of encryption used by banks and military. In today's landscape, this means being aware of the limitations of older protocols like L2TP/IPSec, while avoiding obsolete protocols like PPTP altogether. Instead, opt for services that use OpenVPN, SSTP, IKEv2/IPSec, or WireGuard. The top providers support multiple protocols and should allow you to toggle between them, depending on the use case.

IP address protection

Greater anonymity is a pivotal reason to use a VPN. When looking for a provider, you'll want to choose one that provides you with options for rerouting your IP address. A shared IP address groups multiple users together under one IP, protecting you from within the crowd, while quick and easy server switching allows you to choose your location from wherever your provider's servers are located.

A range of servers across many locations

When using a VPN, you may notice a slowdown in performance if your provider only runs a select number of servers in a select number of locations. By using a service comprised of many servers located near and far, including ones closer to you, your data travels a shorter distance, improving on speed. The more servers there are around the world, the more spread out the users, the faster the performance. And if you're looking to switch to an IP address from a particular region, you'll want to see that your provider has a server there that supports your chosen protocol.

Zero-log policy

You may be hidden from third parties, but in theory, a VPN provider has the power to potentially see everything you do under its protection. Because of this, it's important to go with a company that practices transparency around their logging policy. A zero-log, or no-log VPN provider keeps a record of your email address, payment information, and VPN server, but it shouldn't log or store any data that gets sent while you're securely connected. This includes usage logs, connection logs, session data, or even your IP address.

Kill switch

If your secure VPN connection gets interrupted, your computer reverts to your real IP address, in turn compromising your identity. A kill switch prevents this from happening by cutting off your Internet connection as soon as your VPN connection disrupts.

Mobile compatibility

Mobile activity gets risky when it's happening on an unsecured Wi-Fi network. If you're looking for a safer mobile experience, then it may be useful to look for a provider that offers support for mobile VPN, particularly the ability to switch to the IKEv2/IPSec protocol when roaming. This ensures that your connection is secure, even when you move from public Wi-Fi to cellular data.

Options for authentication

When a computer attempts to connect to a VPN server, the VPN must first authenticate the user before the connection is successful. This typically means entering your credentials via a login page or desktop client, though it's best to consider additional options for authentication. Multi-factor authentication, for instance, requires that you authorize your login with your mobile device through an app. You may also want to use a physical security key, which you plug into your USB port, for even more security.

Customer support

Like other software companies, a VPN provider must have a reliable support team for you to contact for any issues that may arise. This support team should be knowledgeable, helpful, and easy to get in touch with.

Premium pricing

In general, it's best to avoid free VPNs altogether. By choosing a paid provider, you are choosing a real and credible company, backed by quality technology and infrastructure. A paid provider is also less likely to log your activities and sell that information to advertisers. A premium VPN may require a monthly fee, but the value of safety, security, and peace of mind is well worth the cost.

What is a VPN? Why Should I Use a VPN? | Microsoft Azure (2024)

FAQs

Why do we need VPN in Azure? ›

Azure VPN Gateway connects your on-premises networks to Azure through Site-to-Site VPNs in a similar way that you set up and connect to a remote branch office. The connectivity is secure and uses the industry-standard protocols Internet Protocol Security (IPsec) and Internet Key Exchange (IKE).

What is VPN why it is needed? ›

A VPN, which stands for virtual private network, protects its users by encrypting their data and masking their IP addresses. This hides their browsing activity, identity, and location, allowing for greater privacy and autonomy. Anyone seeking a safer, freer, and more secure online experience could benefit from a VPN.

What is the benefit of using a VPN? ›

Using a VPN masks your real IP address and location, making your online activity more private. Advertisers, websites, and even internet service providers (ISPs) can't track your browsing habits if you're using a VPN. Security. A VPN creates an encrypted tunnel between your device and a VPN server.

What is the purpose of a VPN in cloud computing? ›

A cloud virtual private network (cloud VPN) is a form of technology designed to help users access their organization's applications, data, and files through a website or an application. Unlike traditional or static VPNs, a cloud VPN provides a secure connection that can be rapidly deployed globally.

How safe is Azure VPN? ›

A VPN connection is made through highly secure protocols at a level of encryption that has never been cracked.

What is the use of an Azure VPN client? ›

Remote Access: With Azure VPN, users can remotely access resources in their Azure virtual network from anywhere with an internet connection. This is particularly useful for remote workers who need to access company resources from outside the office.

When should you use a VPN? ›

VPNs offer the best online security, so keeping it on will protect you against data leaks and cyberattacks, especially while you're using public Wi-Fi. It can also safeguard against intrusive snoopers such as ISPs or advertisers. Always use a VPN when you go online.

How important is a VPN really? ›

A VPN will hide the contents of your web traffic from some observers and can make it harder for you to be tracked online. But a VPN can, at best, provide only limited protection against the threats you're most likely to encounter on the web: malware, social engineering scams, and phishing sites.

Do VPNs actually protect you? ›

It's important to remember that VPNs do not work in the same way as comprehensive anti-virus software. While they will protect your IP and encrypt your internet history, but that is as much as they can do. They won't keep you safe, for instance, if you visit phishing websites or download compromised files.

Is there a downside to VPN? ›

Security and trust concerns

VPN servers can also become targets for cyberattacks, especially if they are not properly maintained or lack security updates. A compromised VPN server exposes users' data and potentially provides unauthorized access to attackers.

How to use a VPN and why? ›

The basic process for using a VPN is to install a VPN app on your device, fire it up, log into your account and select a server. For the fastest speeds, you'll typically want to choose a server geographically nearby, but for accessing region-specific content, pick a VPN server in your desired country.

Can VPN be tracked? ›

You can't be tracked using a VPN because it encrypts your data. As a result, your ISP or bad actors can't get any information out of your traffic. They only see the VPN server's IP address (e.g. if you're connected to a US server, the US IP address is visible), while your real IP and online activities stay hidden.

What is the need of use VPN? ›

A VPN is essential to protect private data from hackers, especially when connecting to public hotspots. In addition, it lets users access home content securely while traveling. Businesses and organizations. Companies use VPNs for remote access.

What is Azure VPN? ›

Azure VPN Gateway is a service that can be used to send encrypted traffic between an Azure virtual network and on-premises locations over the public Internet. You can also use VPN Gateway to send encrypted traffic between Azure virtual networks over the Microsoft network.

Do you need a VPN if everything is in the cloud? ›

Ideally now, all computing would be Cloud Computing. It is the fastest, most secure, most flexible way of working. However, if you have older programmes that are not yet Cloud Based or files on your server that you haven't stored in the cloud, your only option may be VPN. With Cloud Computing you just log in.

Do you need a VPN for Azure AD? ›

If you are looking to just use on-prem AD, then you would need a VPN to connect it. I would recommend using Azure AD Connect to sync your current structure to Azure AD, this would likely be the best for you.

What is the use of point-to-site VPN in Azure? ›

This solution is useful for telecommuters who want to connect to Azure VNets from a remote location, such as from home or a conference. P2S VPN is also a useful solution to use instead of S2S VPN when you have only a few clients that need to connect to a VNet.

What is Azure always on VPN? ›

With Always On, the active VPN profile can connect automatically and remain connected based on triggers, such as user sign-in, network state change, or device screen active. You can use gateways with Always On to establish persistent user tunnels and device tunnels to Azure.

Does Azure Virtual Desktop require VPN? ›

You also use a VPN or ExpressRoute for your users with the Remote Desktop client to connect to the virtual network. Keeping traffic within the Microsoft network improves security and keeps your data safe. This article describes how Private Link can help you secure your Azure Virtual Desktop environment.

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