The vulnerability (CVE-2021-44228) in the well-known Java library Log4j was published a few days ago and affects countless applications and network devices.
The webinar “Die Log4j-Lücke – der Praxis-Ratgeber für Admins” by heise Academy together with Frank Ully, CTO Oneconsult Deutschland AG, will help you with this issue.
[read the German article]