ACS Password Leaks Are A Security Issue On IBM i

February 17, 2025 Alex Woodie

IBM i shops that are relying on the old WINLOGON process with their Access Client Solutions (ACS) installations will need to find a new way to synchronize passwords between Windows clients and IBM i servers. According to a new report from Silent Signal, the passwords could still be compromised.

In early January, Big Blue published an IBM Support document about problems that IBM i shops were having after they applied the Windows 11 24H2 update, which Microsoft had started rolling out in October 2024. IBM i customers who used the ACS Windows Application Package told IBM they were no longer …