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security Beginner 21 lessons

CompTIA Security+

The foundational security certification. Master core cybersecurity principles, threats, cryptography, and compliance to start your career.

Security+ is the industry standard entry-level certification. This course covers the core knowledge required for any cybersecurity role. You will learn the CIA Triad (Confidentiality, Integrity, Availability), identify common threats like Phishing and Ransomware, and understand basic cryptography. We cover secure network architecture, identity management, and the basics of risk and compliance. This is the first step for 90% of security professionals.

100% Free & Lifetime Access
⏱️ 5-Minute Lessons (Bite-sized learning)
🚀 21-Lesson Path (Independent modules)
📱 Mobile Friendly (Learn anywhere)
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Secure Enrollment via SSL

Complete Course Syllabus

  • 1
    Attacks & Threats
    Social engineering, malware, and application attacks.
  • 2
    Architecture & Design
    Secure network topology and cloud concepts.
  • 3
    Implementation
    Configuring secure protocols and wireless security.
  • 4
    Ops & Incident Response
    Monitoring, logging, and basic forensics.
  • 5
    Governance & Risk
    Policies, regulations, and risk assessments.

Estimated completion time: 21 lessons • Self-paced learning • Lifetime access

Career Outlook

Estimated Salary
$70k - $100k

Career Paths

Junior Security Analyst $70k-$95k
Systems Administrator $75k-$100k
Security Specialist $80k-$110k

What You Will Learn

Identify and mitigate common security threats and vulnerabilities
Understand secure network architecture and design
Implement identity and access management controls
Explain basic cryptography concepts and PKI
Navigate risk management and compliance regulations

Skills You Will Gain

Threat Analysis Network Security IAM Basics Cryptography Concepts Risk Management

Who Is This For

IT Support
Aspiring Security Pros
Students

Prerequisites

None
Network+ helpful

CompTIA Security+ FAQs

First cert?

Yes, highly recommended as the first security cert.

Hard to pass?

Requires study, but accessible for beginners.

DoD approved?

Yes, meets DoD 8570 baseline requirements.

Coding?

No coding required, just concepts.

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