CompTIA Security+ Study Guide (2026)

CompTIA Security+ Study Guide 2026 – Pass on Your First Attempt

This CompTIA Security+ study guide covers all exam domains, key concepts, and real exam-style scenarios to help you pass on your first attempt. Learn what topics matter most, avoid common mistakes, and follow a structured plan based on the official exam blueprint.

Edureify AI helps you identify your strengths and weak areas using real exam-style questions, detailed explanations, and domain-level analysis. Get a personalized study plan, track your progress, and focus only on what will improve your CompTIA Security+ exam score.

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What should you study for the CompTIA Security+ exam?

To pass the CompTIA Security+ certification exam, you should focus on:

  • Attacks, Threats, and Vulnerabilities: Understanding the various types of security threats, vulnerabilities, and attacks that affect networks and systems.
  • Architecture and Design: Understanding the principles of secure network architecture and the implementation of security designs.
  • Implementation: Implementing security measures, technologies, and tools to safeguard systems and networks.
  • Operations and Incident Response: Understanding the processes and tools used to respond to incidents and manage ongoing security operations.
  • Governance, Risk, and Compliance: Understanding risk management concepts, frameworks, and compliance requirements in cybersecurity.

The exam tests your ability to apply concepts in real scenarios, not just memorize definitions.

CompTIA Security+ Exam Syllabus and Topics

The CompTIA Security+ exam is divided into 5 domains. Each domain tests specific skills and contributes to your overall score.

Attacks, Threats, and Vulnerabilities

Understanding the various types of security threats, vulnerabilities, and attacks that affect networks and systems.

24%
Weight
22
Questions
110
Marks

Malware and Ransomware

  • Types of Malware
  • Ransomware and its Impact
  • Malware Analysis and Detection

Phishing and Social Engineering

  • Phishing Techniques
  • Spear Phishing
  • Social Engineering Attacks

Common Vulnerabilities

  • Zero-Day Vulnerabilities
  • Buffer Overflow Attacks
  • Cross-Site Scripting (XSS)

Exploits and Mitigation

  • Exploit Techniques
  • Vulnerability Scanning
  • Patch Management

Architecture and Design

Understanding the principles of secure network architecture and the implementation of security designs.

21%
Weight
19
Questions
95
Marks

Network Topologies and Segmentation

  • LAN, WAN, and VPN
  • Network Segmentation Techniques
  • DMZ and its Importance

Firewalls and Intrusion Detection Systems

  • Firewall Types and Configurations
  • IDS/IPS Concepts
  • Network Traffic Filtering

Security Zones and Perimeter Defense

  • Perimeter Defense Techniques
  • Security Zones Concept
  • Role of Bastion Hosts

Redundancy and High Availability

  • Fault Tolerance
  • Load Balancing
  • High Availability Solutions

Implementation

Implementing security measures, technologies, and tools to safeguard systems and networks.

25%
Weight
23
Questions
115
Marks

Secure Network Protocols

  • SSL/TLS
  • IPsec
  • VPN Protocols

Firewalls and VPNs

  • Configuring Firewalls
  • VPN Types and Setup
  • Network Address Translation (NAT)

Authentication Protocols

  • RADIUS and TACACS+
  • Single Sign-On (SSO)
  • Multi-Factor Authentication (MFA)

Access Control Models

  • RBAC and DAC
  • Mandatory Access Control (MAC)
  • Access Control Lists (ACLs)

Operations and Incident Response

Understanding the processes and tools used to respond to incidents and manage ongoing security operations.

16%
Weight
15
Questions
80
Marks

Incident Response Phases

  • Preparation and Detection
  • Containment and Eradication
  • Recovery and Lessons Learned

Incident Handling

  • Digital Forensics
  • Malware Analysis
  • Log Management

Patch Management

  • Patch Deployment Strategies
  • Automated Patch Management Tools

Security Operations

  • Security Operations Centers (SOC)
  • Continuous Monitoring
  • Event Logging

Governance, Risk, and Compliance

Understanding risk management concepts, frameworks, and compliance requirements in cybersecurity.

14%
Weight
11
Questions
55
Marks

Risk Management Concepts

  • Risk Assessment and Analysis
  • Risk Mitigation Strategies
  • Risk Response Techniques

Compliance and Legal Regulations

  • GDPR
  • HIPAA
  • PCI DSS

Security Policies and Procedures

  • Developing Security Policies
  • Security Awareness Programs
  • Security Audits
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  • Topic-wise performance analysis
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Learning Progress

Attacks, Threats, and Vulnerabilities 85%
Architecture and Design 92%

Practice Test Scores

95%
Latest Score
Above passing threshold

Frequently Asked Questions