Perfect forward secrecy (PFS) explained
ExpressVPN uses perfect forward secrecy to make VPN connections resistant to hacks, protecting your data from past to future.
What is off-the-record messaging (OTR)?
OTR practices deniable authentication, making it impossible for an eavesdropper to tell solely from encrypted messages who is communicating with whom.
How to set up and use Pretty Good Privacy (PGP)
Learn how to use Pretty Good Privacy (PGP) to encrypts files, emails, text, and even disks.
The internet is safer now—but a VPN is still essential protection
The internet is a far more encrypted place than it was 10 years ago, but privacy and security experts still recommend a VPN for most users.
How to keep your mobile hotspot secure
Connecting to the internet using a portable router or hotspots created with your phone? There are easy ways to protect those connections.
Tips to safeguard your privacy before a device repair
Handing your device over for repairs can be nerve-racking. Here are ways to keep your files, personal information, and images safe.
Government hacking: How countries surveil their own citizens
There have been numerous incidents in which governments have broken into encrypted apps. This puts your privacy at risk and raises cybersecurity concerns.
How to hide your sensitive pictures
We’re not judging your naked selfies or NSFW pictures. But here’s how to hide them on your iPhone or Android, or in secure cloud storage.
To log in, just type. How typing biometrics makes life easier
The way you type is unique, and it might soon become a convenient method to authenticate your identity when you sign in to your accounts.
What your internet service provider knows from your online traffic
If you don't encrypt your online traffic, your ISP can potentially see everything. Let’s fix that.
