What is a VPN and how does it actually work? VPNs are used by millions of people, but most use them incorrectly. Some turn one on once a week when they need to access a blocked website. Some believe a VPN makes them anonymous online. Some choose the first free service they find, log in …
YubiKey 5.4 vs 5.7+: what changed, and should you replace your key?
How does YubiKey firmware 5.4 differ from 5.7+, and is it worth replacing your key? The hardware looks identical from the outside: USB-A or USB-C, with or without NFC, and the same gold touch sensor. Inside, however, the differences between firmware 5.4.x and 5.7.x are substantial. Before going any further, there is one important point …
How to set up two-factor authentication on GitHub using Yubikey?
Hello everyone! Setting up two-factor authentication on GitHub with a YubiKey is one of the most reliable ways to keep your developer account safe. Not everyone knows how to ensure this security using modern methods. And to do so, all you need is to be the happy owner of a YubiKey hardware security key for …
Which FIDO2 Keys Are Compatible with Delta?
Compatible devices, recommendations, and common errors FIDO2 keys for Delta are the most reliable way to secure access to the combat situational awareness system of the Armed Forces of Ukraine. Delta uses multi-factor authentication (MFA), and a physical security key based on the FIDO2 standard is the most phishing-resistant method. This guide will help you …



