Working from home has become more common than ever, especially during the COVID-19 pandemic. But how can you ensure that your home workstation is secure and that your data is protected when you access your office network remotely? One key technology that is crucial to enabling secure remote access to your organization’s internal network is a Virtual Private Network (VPN).
What is a VPN and how does it work?
A VPN allows you to create a secure virtual tunnel to your office network through the public network such as the internet. It protects confidentiality (data remains secret via encapsulation) and integrity (data remains unaltered via encryption) of data as it travels over the public internet. A VPN also provides authentication (data comes from a trusted source) and authorization (data can only be accessed by authorized users) of data by using certificates, passwords, tokens or other methods.
When you use a VPN, your device connects to a VPN server operated by your organization or a third-party provider. The VPN server assigns you an IP address from the office network and routes all your traffic to and from the office network. This way, you can access all the resources and services on the office network as if you were physically there, such as files, printers, databases, intranet websites, etc.
Why do you need a VPN at home?
Using a VPN at home has several benefits for both you and your organization. Here are some of them:
Privacy: A VPN prevents your internet service provider (ISP) from spying on your online activities and selling anonymized data about you to third parties. It also prevents advertisers and snoops from gathering data about you using advanced techniques like browser fingerprinting.
Security: A VPN protects you from hackers and cybercriminals who may try to intercept your data or infect your device with malware when you use public or unsecured Wi-Fi networks. It also protects you from phishing, spoofing, man-in-the-middle attacks and other threats that may compromise your data or identity.
Access: A VPN allows you to access geo-restricted or censored content on the internet by changing your IP address and location. For example, you can stream video from other markets or access websites that are blocked in your country.
Productivity: A VPN enables you to work from anywhere without compromising your performance or efficiency. You can access all the tools and applications that you need on the office network without any delays or interruptions.
How to set up a VPN at home?
In order to set up a VPN at home, you need two things: a VPN client on your device and a VPN server on your office network.
VPN client
A VPN client is a software application that you install on your device (such as a laptop, smartphone or tablet) that allows you to connect to a VPN server. There are different types of VPN clients depending on the protocol they use, such as IPsec, SSL/TLS, OpenVPN, WireGuard, etc. Some VPN clients are built-in to your operating system (such as Windows 10 or macOS), while others are provided by third-party vendors (such as NordVPN or Surfshark).
To use a VPN client, you need to configure it with the settings provided by your organization or VPN provider, such as the server address, username, password, certificate, etc. You may also need to adjust some settings on your device’s firewall or antivirus software to allow the VPN connection. Once configured, you can launch the VPN client and connect to the VPN server with a click of a button.
VPN server
A VPN server is a hardware device or software application that runs on your office network and accepts incoming VPN connections from remote devices. It acts as a gateway between the public internet and the private office network. It assigns IP addresses to remote devices and routes their traffic securely through the VPN tunnel.
In order to set up an office VPN (IPsec or SSL VPN) to support working from home, you’ll need to purchase, install and configure a hardware device known as VPN Gateway in your office location. This device connects to your office router or firewall and provides VPN functionality for multiple users simultaneously. You’ll also need to configure your office network to allow VPN traffic and assign VPN policies and permissions to your users.
Alternatively, you can use a software application known as VPN Server that runs on a computer or server on your office network and provides VPN functionality for a limited number of users. This option may be cheaper and easier to set up, but it may not offer the same level of performance, security and scalability as a VPN Gateway.
Conclusion
A VPN is a vital technology for working from home securely and productively. It allows you to create a secure virtual tunnel to your office network and access all the resources and services that you need remotely. It also protects your privacy and security from online threats and censorship. To set up a VPN at home, you need a VPN client on your device and a VPN server on your office network. You can choose between different types of VPN clients and servers depending on your needs and preferences.
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