The Linux system specific information consists of the /var/log folder and its contents, and includes mainly the information included in any Linux server for example hostname, subnet masks, IP Addresses, PIDs Process IDs) etc.
2. PAM application specific information
The PAM specific logs consists of MySQL logs, Tomcat Catalina logs and other specific logs which in turn contain related hostnames, user names, LDAP groups (if integrated with LDAP), target account names/internal IDs, target application names/internal IDs, database tables names (from the PAM database), etc. Basically, any information that can be managed by PAM except passwords in clear text.