How to change your IP address on Windows

November 16th, 2023 in Privacy basics

This artcile was updated and refreshed November 2023. We discuss how to change the IP address of your Windows 10 or Windows 11 device. This doesn’t change your IP address on the internet, although we’ll look at that as well.  Changing your IP address on Windows An IP address uniquely identifies every device connected directly […]

What is content filtering?

November 14th, 2023 in Privacy basics

Businesses and other organizations use content filtering to block employees or customers from accessing certain online content.  There are a few reasons they may do this: In this article, we’ll dig deeper into why organizations use content filtering and how they implement it.  Why use content filtering? A business or organization may implement content filtering […]

What is a zero-day exploit and why are they dangerous?

October 20th, 2023 in Privacy basics

A zero-day is a software vulnerability or security flaw in a computer system that its developers or vendors are unaware of. The term zero-day (also known as 0-day) refers to the fact that, since the developer or vendor is unaware of the vulnerability, they have zero days available to mitigate against it.  A zero-day exploit […]

What is a dedicated IP address and how can it help your business?

October 6th, 2023 in Privacy basics

A dedicated IP address is a fixed or static internet protocol (IP) address that’s guaranteed not to change for as long as you lease it. An lP address is a number that uniquely identifies every device that connects directly to the internet (where devices connect to the internet via a router/modem, for example, the IP […]

What is IKEv2?

September 29th, 2023 in Privacy basics

IKEv2 is a VPN protocol used to secure VPN connections. Part of the IPSec protocol suite, it is sometimes (and strictly speaking, more correctly) referred to as IKEv2/IPSec. A VPN protocol is a set of instructions or rules that determine how the connection between your device and the VPN server is made. Learn more about […]

Guest networks – What they are, why you need one, and how to set them up

September 12th, 2023 in Privacy basics

A guest network is a separate WiFi network within your home or office network designed specifically for your guests or customers to use.  Although run from the same router (which may also be your modem), a guest network operates as an entirely separate WiFi network, providing guests with internet access without giving them access to […]

Can someone see my internet history if we use the same WiFi?

September 1st, 2023 in Privacy basics

Before WiFi, you had to connect your internet-capable device to a router via an Ethernet cable. The router then connected to a modem, which connected your device to the internet. Routers and modems are so often housed in the same device, that the term “router” usually refers to a combined router and modem.  These cables […]

Why use a VPN for business?

August 23rd, 2023 in Privacy basics

These days, virtual private networks (VPNs) are most commonly associated with commercial consumer-facing VPN services, such as Proton VPN, that allow individuals to bypass censorship, access the internet privately, and “spoof” their geographic location.  However, VPNs were originally developed to let remote workers securely access corporate intranets as though they were physically connected to their […]

What is a MAC address, and what can it reveal about you?

August 17th, 2023 in Privacy basics

Every device that connects to a network does so through a network interface controller (NIC). Devices that can connect to multiple networks will have a separate NIC for each connection they support. For example, a laptop that supports WiFi, Ethernet (wired), and Bluetooth connections would have three NICs (each with its own MAC address).    Every […]

your internet

Get Proton VPN
Get Proton VPN

Contact us

Support form

Tell us about the problem and we'll get back to you as soon as we can.

Open support form

Live chat

Get help from a support agent in real time. Available with a paid VPN subscription.

Chat with us

Secure email

Send us an encrypted message at It may take us longer to respond.

Email us