Most recent Edition should always be available in this ALE TKC article (requires MyPortal login credentials)
The ALE Network Business Division (NBD) published this overview ALE TKC article (requires MyPortal login credentials)
The ALE Communication Business Division (CBD) published the following statement on Log4j version CVE-2021-4104 and CVE-2021-45105 (not vulnerable to both) ALE TKC article (requires MyPortal login credentials)