Chapter 2 Overview of Security on the MPE/iX Computer System

Table of Contents

Physical Security

Procedural Security

System Security

Identification

Authentication

Authorization

Components of the Account Structure

The Individual Account

Using Files

Standard Characteristics

Creating Naming Conventions

User Names

Group Names

File Names

Hierarchical file system (HFS)

HFS file names

HFS syntax

Designing an Account Structure

Controlling Access to System Resources

Auditing System Usage

Security Policy

Security Considerations

General Security Threats

Loss of Use

Loss of Performance

Disclosure of Information

Loss of Integrity

Recognizing Security Incursions

General Defenses Against Security Threats

Defenses Against Loss of Use

Prevention of Access

Defenses Against Loss of Performance

Defenses Against Data and Performance Loss Due to Sabotage

Defenses Against Information Disclosure

• Physical security - control of access to system components.

• Procedural security - establishment and control of security procedures.

• System security - control of system access using the security features provided by the MPE/iX operating system.

• Components of the Account Structure.

• Security policy.

• General security threats.

• Defense against security threats.