What is IKEv2?

September 29th, 2023 in Privacy deep dives

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 […]

Is Amazon Alexa spying on you?

September 26th, 2023 in Privacy deep dives

“Amazon and third parties (including advertising and tracking services) collect smart speaker interaction data. We find that Amazon processes voice data to infer user interests and uses it to serve targeted ads on-platform (Echo devices) as well as off-platform (web). Smart speaker interaction leads to as much as 30X higher ad bids from advertisers. Finally, […]

What is a VPN kill switch and when should you use one?

September 15th, 2023 in Privacy deep dives

A kill switch is a security feature that protects your privacy. It ensures that you don’t connect to the internet thinking you’re protected by a VPN when you aren’t.  When you use a virtual private network (VPN), your device connects to VPN server run by a VPN service such as Proton VPN. The connection between […]

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

September 12th, 2023 in Privacy deep dives

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 deep dives

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 deep dives

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 […]

Introducing Proton VPN for Business

August 21st, 2023 in Privacy deep dives

Today, we’re happy to announce the official launch of Proton VPN for Business. Since 2016, Proton has been progressively bringing our privacy and security services to enterprises. Today, over 50,000 organizations around the world trust Proton to secure their business, representing over 10% of Proton’s annual turnover. Ever since we launched Proton VPN, we’ve received […]

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

August 17th, 2023 in Privacy deep dives

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 […]

What is a VPN?

June 26th, 2023 in Privacy deep dives

An almost daily drumbeat of data breaches and online privacy violations has fueled public interest in VPN services such as Proton VPN. This article explains what VPNs are, what they do, and whether you need one. Its sister article, How does a VPN work?, provides a more detailed and technical overview of how a VPN […]

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 contact@protonvpn.com. It may take us longer to respond.

Email us