Beginner Topic 1 of 51 Security & Cryptography
CIA Triad
Confidentiality, integrity and availability goals of security.
How it works
Confidentiality prevents unauthorized disclosure, Integrity prevents unauthorized change, Availability ensures access when needed. Security controls map to these goals.
Where it is used
Framing risk analysis.
Common pitfall
Focusing only on confidentiality and ignoring availability attacks like ransomware.
Where it fits in the course
CIA Triad is topic 1 of 51 in Security & Cryptography, rated Beginner. It is the first topic in this area. The next topic is Threats and Vulnerabilities.
Practice and explore
- Open the interactive lesson, with a mini quiz.
- Take the Security & Cryptography quiz.
How to study this topic
- Read the explanation above and restate the definition in your own words.
- Open the interactive lesson and answer its mini quiz.
- Read the common pitfall, then write a short example that avoids it.
- Check your understanding in the Security & Cryptography quiz, and revisit the topic if you miss a question.
Frequently asked questions
What is CIA Triad?
Confidentiality, integrity and availability goals of security. It belongs to Security & Cryptography and is a beginner-level topic.
Where do people use CIA Triad?
Framing risk analysis.
What is the most common mistake with CIA Triad?
Focusing only on confidentiality and ignoring availability attacks like ransomware.
What should I learn before this topic?
Nothing earlier in Security & Cryptography is required. This is where the area begins.
How can I practice it?
Answer the mini quiz in the interactive lesson, then take the Security & Cryptography quiz.
Is CIA Triad hard to learn?
It is a Beginner topic, so it works as an entry point. If the terms are new, read the explanation twice and try the visualizer before the quiz.
How long does it take to learn CIA Triad?
Most learners can read the explanation and finish the interactive lesson in under an hour. Fluency comes from applying the idea, so plan a few short practice sessions with the quiz.
Which topics are related to CIA Triad?
Threats and Vulnerabilities, Passwords and Hashing, Salting are closely connected. The full list is in the related topics section of this page.
What should I study after CIA Triad?
Continue with Threats and Vulnerabilities, the next topic in Security & Cryptography.
Related topics
- Threats and Vulnerabilities (Security & Cryptography)
- Passwords and Hashing (Security & Cryptography)
- Salting (Security & Cryptography)
- Multi-Factor Authentication (Security & Cryptography)