PowerStoreOS 3.5 and later offers STIG mode. Compliance with the U.S. Federal Security Technical Implementation Guide requirements (STIG compliance) is a highly requested item from many users in the federal space. STIG compliance is also a prerequisite for the Approved Products List (APL) certification, which is a requirement for some Department of Defense (DoD) organizations. STIG mode on PowerStore applies configuration changes to the core of the product so that the underlying containers meet STIG requirements related to the SLES operating system, embedded web server, internal database use, and various networking functions. For more information about this feature, see the .