Understanding Windows Authentication

The NTLM authentication protocol just won't die.

Customer lessons learned when disabling RC4 in Active Directory.

Managed Service Accounts in Windows allow administrators to automate password management for accounts. Here's how they work.

I recently recorded a presentation on the internals of hybrid Windows authentication. Go watch it.

Active Directory delegation is an often misunderstood technology. Here's an in-depth look at how it works.

User Account Control is a local authorization mechanism. Can you bypass it by going through the network? No. Here's why.

FIDO is how we're tackling passwordless authentication. Have you ever wondered how it works?

FAST Armoring is a Kerberos extension intended to improve the security of the Kerberos protocol.

Network Level Authentication is critical for secure RDP connections. Don't turn it off.

Let's talk a bit about how Microsoft does Privileged Access.