Security Objectives and OSI Architecture
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Questions and Answers

Which of the following are part of the CIA triad in security objectives?

  • Authentication
  • Availability (correct)
  • Integrity (correct)
  • Confidentiality (correct)
  • Confidentiality ensures that information is disclosed to unauthorized individuals.

    False

    What is the purpose of accountability in security?

    To trace the actions of an entity uniquely to that entity.

    A loss of _ is the unauthorized modification or destruction of information.

    <p>integrity</p> Signup and view all the answers

    What does authenticity in security mean?

    <p>The property of being genuine and verifiable.</p> Signup and view all the answers

    The OSI Security Architecture provides a standardized way to organize security requirements.

    <p>True</p> Signup and view all the answers

    What is data integrity?

    <p>Ensuring that data is changed only in a specified and authorized manner.</p> Signup and view all the answers

    Study Notes

    Security Objectives

    • Confidentiality: Protects information from unauthorized access or disclosure. A loss of confidentiality occurs when unauthorized individuals gain access to private information.
    • Integrity: Maintains the accuracy and consistency of data. A loss of integrity occurs when data is modified or destroyed without authorization.
    • Availability: Ensures that systems and data are accessible to authorized users when needed. A loss of availability occurs when authorized users cannot access or use systems or data due to disruption.
    • Authenticity: Verifies the genuineness of data or users. Ensures user identity and data source authenticity.
    • Accountability: Tracks all actions performed on a system to determine who is responsible for changes or security breaches. Enables fault isolation, after-action recovery, and legal actions.

    OSI Security Architecture

    • Defining a general security architecture for Open Systems Interconnection (OSI) provides a framework for managing security tasks.
    • The OSI Security Architecture outlines key concepts to address security requirements.
    • Security Attacks: Actions that compromise the security of information owned by an organization.
    • Security Attacks: Attempts to gain unauthorized access to information resources or services, or cause harm or damage to information systems.

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    Related Documents

    Security Attacks PDF

    Description

    This quiz covers key security objectives including confidentiality, integrity, availability, authenticity, and accountability. It also discusses the Open Systems Interconnection (OSI) security architecture for a comprehensive understanding of information security principles.

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