For software developers and architects, project leaders and managers of distributed systems, system administrators, network administrators, and security officers. In today's distributed computing environment, there are serious security issues which must be addressed before trust can be placed in these systems. This book reveals the security and integrity problems of PCs, OS/2, Windows NT and UNIX systems, and shows how to effectively employ the exciting new distributed technologies of Kerberos, SNMP Monitors and Alerts, Encina and CICS to regain trust in the distributed environment