Security — Syllabus & Chapters

The complete syllabus for Security — every chapter you need to study, and how the exam paper is structured.

What you will study (chapters)

Chapter 1: Concepts of Security
Chapter 2: CIA Triad: Confidentiality, Integrity and Availability
Chapter 3: Data Protection and Privacy
Chapter 4: Common Cyber Threats and Attacks
Chapter 5: Legal and Ethical Dimensions of Security
Chapter 6: Best Practices for Personal Security

Frequently asked questions

How many chapters are there in Security?

The Security syllabus has 6 chapters, listed in full above. Cover the high-weightage chapters first using the exam pattern as a guide.

How do I know which Security chapters carry the most marks?

Compare the chapter list above with the exam pattern and the last few years of question papers — the topics that appear most often and the units with the highest marks are where to focus first. Always confirm weightage against the official syllabus for your exam year.

Has the Security syllabus changed this year?

Boards occasionally revise the syllabus or remove topics for a session. Always download the official syllabus for your exact exam year from the official CBSE portal rather than relying on an older copy or a social-media list.

How can I prepare for Security faster?

Begin with the most-frequently-asked topics and the last few years of question papers, then test yourself under timed conditions. If you want guided help, you can use the free AI study tutor for Security — practise past-paper questions and get instant feedback — or a focused Security study guide that condenses the syllabus into the topics that matter most — both are free to start.