Security controls and the CIA Triad: how to protect data effectively (Security+)

🔐 Why security controls matter

Knowing the CIA Triad is not enough.

👉 You must understand how to protect it.

🛡️ Controls for Confidentiality

• Encryption
• MFA
• Access control

👉 Prevent unauthorized access

🛡️ Controls for Integrity

• Hashing
• Digital signatures
• Logging

👉 Ensure data accuracy

🛡️ Controls for Availability

• Backup
• Redundancy
• Failover systems

👉 Keep systems running

🎯 Exam question mindset

Security+ often asks:

👉 “Which control protects X?”

You must map:

• Control → CIA principle

🚀 Practice here

👉 https://www.certifyquiz.com/certifications/security-plus/security-fundamentals

🔗 Explore certification

👉 https://www.certifyquiz.com/certifications/security-plus