Information Security Overview


Basic InfoSec Concepts

Mechanisms That Ensure Information Security

  • Laws and Legal Duties
  • Contracts
  • Organizational governance documents
    • form the basis for an information security program
    • include:
      • Policies
        • top level of governance documents
        • tells an organization how it must act and the consequences for failing to act properly
        • needs top-level management support
      • Standards
        • state the activities and actions needed to make policy goals
        • do not refer to particular tech, OS, or types of hardware and software
      • Procedures
        • are step-by-step checklists that explain how to meet security goals
        • tailored to certain type of technology
        • can be limited to the activities of a specific department and users
      • Guidelines
        • recommended actions and guides for employees
        • tell about information security concerns and potential solutions
        • flexible for use in many situations
    • Data protection models
      • used to classify different types of information at different levels of sensitivity

US National Security Information

  • Executive Order 13526 describes a system for classifying national security information
    • Signed by President Obama in Dec. 2009
    • Establishes 3 classification levels:
      • confidential
        • describes information that could cause damage to U.S. security if disclosed to an unauthorized person
        • lowest level
      • secret
        • describes information that could cause serious damage to U.S. security if disclosed to an unauthorized person
      • top secret
        • information that could cause exceptionally grave damage to U.S. security if disclosed to an unauthorized person
        • highest level
    • sets forth rules to follow when using national security information
    • states how information must be marked and identified
    • gives instructions on how long it must remain classified
    • species when to release such information to the public

Voluntary Organizations

  • Individuals and organizations may belong to voluntary membership groups that seek to promote information security
  • Group members often have rules that they agree to follow
    • set forth behavior expectations
    • ethical in nature
    • called code of practice or code of ethics
  • E.g. Internet Commerce Association (ICA)
    • adopted a code of conduct for fair practice in domain name industry