“Understanding System Security” Chapter 1 discusses levels of security requirements and describes three sources of security failures.

“OpenVMS Security Model” Chapter 2 introduces the reference monitor concept of security design and provides an overview of the operating system's security features.

“Using the System Responsibly” Chapter 3 provides information for the general user about the login and logout processes and the responsible use of passwords.

“Protecting Data” Chapter 4 and “Descriptions of Object Classes” Chapter 5 describe object protection features in detail.

“Managing the System and its Data” Chapter 6 describes the general tasks of a security administrator.

“Managing System Access” Chapter 7 describes methods of controlling system access.

“Controlling Access to System Data and Resources” Chapter 8 describes methods of controlling access to system data and resources.

“Using Encryption” Chapter 9 describes how to use encryption. which transforms a file into unrecognizable, unintelligible data, even if someone manages to gain access to it.

“Securing a Cluster” Chapter 10 describes security-auditing features.

“Security Auditing” Chapter 11 describes how to recognize when a system is under attack and how to protect and defend your system.

“System Security Breaches” Chapter 12 describes security-related actions specific to clustered systems, such as setting up common system files and synchronizing authorization data.

“Security in a Network Environment” Chapter 13 describes security considerations for systems using networking.

“Using Protected Subsystems” Chapter 14 describes how to set up and manage protected subsystems.

“Assigning Privileges” Appendix A provides a summary of all the user privileges available on the operating system and describes who may need them.

“Protection for OpenVMS System Files” Appendix B lists the protection codes and ownership that HP provides for critical system files.

“Alarm Messages” Appendix D provides examples of security alarm messages.