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CS0-003Free Study Guide

CompTIA CySA+ CS0-003The Complete Beginner's Guide

Complete CySA+ CS0-003 study guide — threat detection, vulnerability management, incident response, and reporting.

100 chapters
~42 hours total read
Free — no signup required
By Johnson Ajibi · Security Systems Architect · MSc IT Security · IEEE Senior Member

How to use this guide

This guide works best as a loop: read a chapter, test yourself with practice questions, look up unfamiliar terms in the glossary, then move to the next chapter.

① Read a chapter② Answer practice questions③ Review missed answers④ Repeat
Study Chapters

100 chapters covering every exam objective. Each chapter includes key concepts, exam tips, common traps, comparison tables, and a 5-question quiz at the end.

Start Chapter 1
Practice Questions

Free timed and untimed practice with instant feedback and full explanations. Pick 10–120 questions per session. Filter by domain to drill your weak areas.

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Glossary

Every CS0-003 term defined and searchable. Use it when a chapter mentions a concept you haven't seen before or want a quick refresher on.

Browse glossary
Exam Overview

Exam blueprint, domain weights, passing score, duration, cost, and registration links. Start here if you're new to this certification.

View exam guide

Security Operations (33%)

40 chapters

Domain overview
1

Threat Intelligence and Threat Hunting

Objective 1.1 · Security Operations

25m
2

SIEM Log Analysis

Objective 1.2 · Security Operations

25m
3

Network Traffic Analysis

Objective 1.3 · Security Operations

25m
4

Endpoint Detection and Response

Objective 1.4 · Security Operations

25m
16

MITRE ATT&CK Framework for SOC Analysts

Objective 1.1

25m
17

Cyber Kill Chain and Diamond Model

Objective 1.1

25m
18

Threat Hunting Techniques and Hypothesis Development

Objective 1.1

25m
19

OSINT Sources for Threat Intelligence

Objective 1.1

25m
20

Malware Analysis: Static vs Dynamic

Objective 1.2

25m
21

Critical Windows Event IDs for Security

Objective 1.2

25m
22

SOAR Platforms and Automation

Objective 1.2

25m
23

User and Entity Behaviour Analytics (UEBA)

Objective 1.2

25m
24

IOCs vs IOAs and Threat Indicators

Objective 1.1

25m
40

Splunk SPL Queries for Security Analysts

Objective 1.2

25m
41

Elastic Stack (ELK) for Log Analysis

Objective 1.2

25m
42

Microsoft Sentinel for CySA+

Objective 1.2

25m
43

SIGMA and YARA Detection Rules

Objective 1.2

25m
44

Snort and Suricata IDS/IPS Rules

Objective 1.3

25m
45

Zeek for Network Traffic Analysis

Objective 1.3

25m
46

DNS Analysis and Anomaly Detection

Objective 1.3

25m
47

Packet Capture: Wireshark and tcpdump

Objective 1.3

25m
48

NetFlow and Traffic Flow Analysis

Objective 1.3

25m
49

Email Header Analysis for Phishing

Objective 1.2

25m
50

Malware IOCs: Hashes, IPs, Domains, URLs

Objective 1.1

25m
51

Malware Sandboxing and Detonation

Objective 1.2

25m
52

Advanced Persistent Threat (APT) Groups

Objective 1.1

25m
53

Dark Web Monitoring and Threat Feeds

Objective 1.1

25m
54

Information Sharing (ISAC, ISAO, AIS)

Objective 1.1

25m
55

AWS CloudTrail and Azure Audit Log Analysis

Objective 1.2

25m
56

Container and Kubernetes Security Analysis

Objective 1.4

25m
57

Identity-Based Attack Patterns: Pass-the-Hash, Kerberoasting

Objective 1.2

25m
58

SOC Tier 1, Tier 2, and Tier 3 Analyst Roles

Objective 1.2

25m
87

Network Baseline and Anomaly Detection

Objective 1.3

25m
88

Honeypots and Deception Technologies

Objective 1.1

25m
89

Geolocation Analysis in Threat Hunting

Objective 1.1

25m
90

Phishing Email Analysis Techniques

Objective 1.2

25m
92

Threat Emulation and Purple Team Exercises

Objective 1.1

25m
93

Attack Simulation Tools: Atomic Red Team

Objective 1.1

25m
95

EDR vs XDR vs MDR Platforms

Objective 1.4

25m
100

Privileged Access Management and PAM Tools

Objective 1.4

25m

Vulnerability Management (30%)

24 chapters

Domain overview

Incident Response and Management (20%)

22 chapters

Domain overview

Reporting and Communication (17%)

14 chapters

Domain overview

Ready to test your knowledge?

Free CS0-003 practice questions with full explanations. Test what you learn chapter by chapter.

CS0-003 Practice Questions