![]() Phishing and social engineering: Attackers exploit human weakness these are getting increasingly common, as seen in the recent GoDaddy breach.Malware and keyloggers: Developers frequently store unencrypted SSH keys on their workstations, which can be compromised by malware.Password reuse: Longstanding issue, and the cause of several data breaches.SSH authentication is a secure way to connect to remote machines, but it can be vulnerable to some challenges and risks like: Source: Wait, Isn't SSH Authentication Secure? The most popular YubiKeys are USB-A/NFC, USB-C/NFC and USB-C/Lightning. The keys are IP68 rate, crush resistant, with no batteries or moving parts, making them really ideal for long term use. ![]() YubiKey supports multiple authentication protocols, including U2F, FIDO2/WebAuthn, OpenPGP, OTP, and smart card, and ships in USB A/C, NFC and Lightning form factors. YubiKey is a hardware security key from Yubico, providing strong multi-factor authentication for a wide range of applications and services. Let's explore this at length with YubiKey and SSH authentication today. ![]() Security keys can also replace passwords entirely for strong, and passwordless, single factor authentication. In fact, companies like Google have reported zero successful phishing attempts since they enforced security keys for their employees. FIDO2-based hardware security keys like Google Titan and YubiKey are probably the only known phishing resistant techniques available today. Sure, any MFA is better than none, but all legacy MFA schemes like PIN, SMS/Email OTP, TOTP apps, and mobile push, are vulnerable to phishing attempts and malware. ![]() Not all multi-factor authentication (MFA) schemes are created equal. ![]()
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