- The CIA triad helps organizations consider and mitigate risk.
- Cybersecurity analysts use the CIA triad to establish a successful security posture.
- Model: Informs how organizations consider risk when setting up systems and security policies.
- Elements: Confidentiality, Integrity, and Availability.
- Purpose: Maintain an acceptable level of risk and ensure systems and policies uphold these elements.
- Definition: Only authorized users can access specific assets or data.
- Enhancement: Implement design principles like the principle of least privilege.
- Principle of Least Privilege: Limits users' access to only the information they need for work-related tasks.
- Purpose: Maintains the confidentiality and security of private data.
- Definition: Data is verifiably correct, authentic, and reliable.
- Verification: Protocols to ensure data authenticity.
- Cryptography: Transforms data so unauthorized parties cannot read or tamper with it.
- Encryption: Converts data from a readable format to an encoded format to prevent unauthorized access and tampering.
- Purpose: Ensures data authenticity and reliability.
- Definition: Data is accessible to those authorized to use it.
- Implementation: Systems must adhere to both availability and confidentiality principles.
- Remote Access: Organizations allow remote employees to access internal networks for their jobs.
- Access Limitation: Access to data on the internal network is limited based on job requirements.
- Purpose: Ensures that data is available when needed by authorized users.
- Importance: The CIA triad is essential for establishing an organization’s security posture.
- Understanding: Knowing and applying the CIA triad helps understand how security teams protect organizations and the people they serve.