Security

This is a complete, free study companion for Security — built around what the exam actually asks. The topics examiners repeat most are Private Security Agencies Regulation Act, 2005, Email address symbols, domain part and Compose Mail interface, and Files, folders and deleting a file or folder. The syllabus runs to 4 chapters. Below you'll find the full topic-frequency ranking, the exam paper pattern, every chapter, a step-by-step study plan, and the official downloads — everything in one place.

Everything here is free. We're an independent student resource, not the official CBSE body, so always confirm the current syllabus and exam dates on the official CBSE website before you rely on them.

Key information

Level: Class 10
Programme: CL10
Exam: All India Senior School Certificate Examination
Conducted by: Central Board of Secondary Education (CBSE)

Most frequently examined topics

#	Topic	Times asked
1	Private Security Agencies Regulation Act, 2005	4
2	Email address symbols, domain part and Compose Mail interface	4
3	Files, folders and deleting a file or folder	4
4	Fire emergencies, evacuation and fire extinguishing methods	4
5	First aid, CPR, rescue breathing and shock signs	4
6	Drill, Savdhan command, Tez Chal and benefits of drill	3
7	Security guard grooming, uniform and personal hygiene	3
8	CCTV, DVR, RFID and security monitoring equipment	3
9	Security forces: CBI, NSG, ITBP, BSF, Air Force and Army	3
10	Disaster Management Act, village disaster setup and ERT	3
11	Human body basics: skeleton, bones, digestive system and nervous system	3
12	Access control through biometric identification and restricted entry	2

Counted across the official previous-year question papers we have analysed for this subject. It shows what has been asked before — it does not predict what will appear in your exam. Always confirm the current syllabus on the official portal.

What you will study (chapters)

Chapter 1: Security Concepts and Terminology
Chapter 2: Threats, Vulnerabilities and Risk Assessment
Chapter 3: Information Security Principles
Chapter 4: Cybersecurity Basics

Official textbook

Security — official textbook / study material — Free download from the official source.

How to study Security and score well

Start with the highest-frequency topics — In Security, Private Security Agencies Regulation Act, 2005, Email address symbols, domain part and Compose Mail interface, Files, folders and deleting a file or folder, and Fire emergencies, evacuation and fire extinguishing methods appear again and again in past papers. Master these first — they return the most marks for the time you put in.
Practise with previous-year papers — Solve the last 5–10 years of CBSE Security papers under timed, exam-like conditions. Past papers show exactly which topics repeat and how questions are worded.
Revise actively, not passively — Write a one-page summary for each of the 4 chapters — key definitions, formulas and the points examiners reward — then re-test yourself instead of re-reading.
Mark your answers with the official scheme — After each practice paper, score yourself against the official marking scheme. It shows how marks are awarded step-by-step, so you learn to present answers the way examiners expect.

Exam tips: how to score higher in Security

Where students lose marks: rushing the high-weightage questions, skipping the steps the marking scheme rewards, and saving easy sections for last. Read the whole paper first, attempt your strongest section early to bank marks, and always show your working.

Manage your time: split your time in proportion to the marks each section carries, keep a few minutes at the end to check, and never leave a question blank — a partial, structured answer still earns partial marks.

Frequently asked questions

What are the most important topics in Security?

Based on past papers, the most frequently asked topics include Private Security Agencies Regulation Act, 2005, Email address symbols, domain part and Compose Mail interface, Files, folders and deleting a file or folder. The full ranked list with how often each appears is in the "Most important topics" section above.

Where can I download Security previous-year question papers?

Official CBSE previous-year question papers are available on the official CBSE website. Open the Question Papers section for the direct link, plus the exam pattern and the topics that repeat most.

How can I prepare for Security faster?

Start with the highest-frequency topics, learn the exam pattern so you know how each section is marked, and practise with past papers. A subject-aware study tutor can quiz you on exactly these topics.

A Gyani AI tutor trained on the Security syllabus and past papers can quiz you on the most-asked topics and show you exactly what to revise.