Use a military base to protect your internet traffic with Proton VPN's 75% off Cyber Monday deal

A Belarusian border guard with a service dog
(Image credit: Getty Images / NATALIA KOLESNIKOVA)

How secure is your VPN? Is it: server hosted inside a former military base in Iceland, secure? Didn't think so. Switch to the Proton VPN's Cyber Monday deal and it will be.

Proton VPN is a security-first service and a big advocate for digital privacy. So, alongside heavy AES-256 network traffic encryption and exchange keys with 4096-bit RSA, a Proton VPN subscription also includes access to its Secure Core system.

One of those hardened server sites is hosted in a former military based in Iceland. It's believed to be at Naval Air Station Keflavik (NASKEF) – a former United States Navy air station at Keflavík International Airport, Iceland.

Switzerland uses biometric locks, Sweden uses underground hosting, and Iceland relies on the repurposed military site.

Proton has chosen these Secure Core sites in places with dependable privacy laws and what we do know is that they are all intentionally hard to reach. For example, Switzerland uses biometric locks, Sweden uses underground hosting, and Iceland relies on the repurposed military site.

These physical securities reduces the chance that a server can be tampered with, seized, or quietly monitored.

That means Proton can offer security guarantees at these tightly control Secure Core facilities, as opposed to servers located in high-risk regions such as Turkey or the UAE, where infrastructure may be inspected or monitored by local authorities.

Proton VPN: 3.59 $2.49/month

Proton VPN: $3.59 $2.49/month

Proton VPN's 2-year plan is now discounted to $2.49 a month, giving users affordable access to its full security stack. In addition to sleek, hacker-chic apps for all platforms, users get:

✅ NetShield ad blocker
✅ Swiss-grade privacy reassurances
✅ Stealth protocol (evades VPN bans)

Plus, with a 30-day money-back guarantee, there's plenty of time to try Proton VPN out before committing to a long-term plan.

Secure Core isn't necessary for everyday use, nor is it meant for every user. However, it's relevant when connecting to regions with aggressive monitoring or content restrictions.

Take a look at Proton VPN's Cyber Monday deal with 75% discounts on its 2-year plans still available. That slashes the price to just $2.49 a month ($59.76 total), making it one of the most affordable ways to shore up your digital privacy over the holidays.

If you're looking for a more lightweight, but still impactful, way to shore up your digital security, it's well worth checking out Surfshark's Alternative ID tool. It spins up an entirely new online persona (complete with name and email address) that you can use in place of your real details. It's included in all Surfshark plans, but we think Surfshark One offers the most value at $2.19 per month (roughly $60 in total).

VPN and cybersecurity expert

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