The main System Administrator of Sirius Technologies AG has attended and passed the renewal exam for the GIAC GCWN certification.

GIAC Certified Windows Security Administrators (GCWNs) have the knowledge, skills and abilities to secure Microsoft Windows clients and servers, including technologies such as PKI, IPSec, Group Policy, AppLocker, and PowerShell.

https://www.giac.org/certified-professional/arsne-von-wyss/104593