CVE-2026-20833 - What is Kerberos and how to face RC4 deprecation - Theorical lesson

We are starting a new series of videos focused on CVE-2026-20833 and Microsoft's hardening on which AES256 will become the default encryption for service tickets. In this first theoretical video, we explain what Kerberos is, its encryption types, and the change Microsoft is proposing. In subsequent videos, I will show you: Decrypting msDS-SupportedEncryptionTypes and etypes Hardening remediation, temporary workaround Finding affected accounts Step by step: procedure for hardening