
2.3.1 System Integrity, Assurance and Trust
Figure 16. System Integrity, Assurance and Trust
Key Points
System integrity and assurance are the “cornerstone” for security in an
operating system.
Presentation Script
System Integrity:
While there are specific IBM definitions of system integrity
that differ for each system, in general terms, system integrity is the ability of an
operating system to prevent the circumvention or bypassing of its security
mechanisms. System integrity has been an important characteristic of IBM′s
MVS operating system since 1973 and of IBM′s VM operating system since 1983.
In 1990, IBM announced support for system integrity in OS/400. ...