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Blog posts tagged
"Authentication"

Massimiliano Gori
31 March 2026

How to manage Ubuntu fleets using on-premises Active Directory and ADSys

Cloud and server Ubuntu tech blog

The “hybrid fleet” is today’s reality: organizations diversify operating systems while Microsoft Active Directory (AD) remains the dominant identity “source of truth.” IT administrators must ensure Linux machines, like Ubuntu desktops and servers, behave as first-class citizens in this environment. Efficient Linux management demands unifi ...

Massimiliano Gori
30 March 2026

How to Harden Ubuntu SSH: From static keys to cloud identity

Cloud and server Ubuntu tech blog

30 years after its introduction, Secure Shell (SSH) remains the ubiquitous gateway for administration, making it a primary target for brute force attacks and lateral movement within enterprise environments. For system administrators and security architects operating under the weight of regulatory frameworks like SOC2, HIPAA, and PCI-DSS, ...

Massimiliano Gori
27 March 2026

Modern Linux identity management: from local auth to the cloud with Ubuntu

Cloud and server Ubuntu tech blog

The modern enterprise operates in a hybrid world where on-premises infrastructure coexists with cloud services, and security threats evolve daily. IT administrators are tasked with a difficult balancing act: maintaining traditional local workflows while managing the inevitable shift toward cloud-native architectures. Identity has emerged ...

Stephanie Domas
29 April 2025

Extra Factor Authentication: how to create zero trust IAM with third-party IdPs

Security Ubuntu tech blog

In this article, I’ll explore an original and robust method for using third-party IdPs that allows you to maintain a zero trust security posture, thanks to Extra Factor Authentication. Find it on our Charm hub! ...

Holly Hall
17 June 2021

Two-factor authentication coming to Ubuntu One

Security Ubuntu tech blog

What is 2-factor authentication (2FA)? Two factor authentication (2FA) increases your account security further than just using a username and password. In addition to a password (the first factor), you need another factor to access your account. A great example to demonstrate this is when you withdraw money from an ATM. To access your ban ...