Users from 16 countries will be required to use the solution when accessing web resources.
Access management firm Cafesoft sold the solution to NASA.
"We are proud to become a part of the infrastructure that secures web access for the ISS users," said Gary Gwin, Cafesoft president and CEO.
ISS has configured authentication by stacking login modules for
Microsoft Active Directory servers and Sun Java System
Directory LDAP servers.
Access to some resources will be restricted according to the user's country of origin and authentication levels.
The NASA Johnson Space Center (JSC) hosts ground operations that provide support services for ISS.