Free Course Image Cyber security full course

Free online courseCyber security full course

Duration of the online course: 11 hours and 6 minutes

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Build real-world cybersecurity skills in a free online course for beginners—learn to protect networks, spot threats, and earn a certificate-ready edge.

In this free course, learn about

  • Core cybersecurity concepts: CIA triad, risk, threat, vulnerability, attack surface
  • Common attack types: phishing, malware, ransomware, DoS/DDoS, MITM, SQL injection
  • Basic networking for security: TCP/IP, ports, DNS, HTTP/HTTPS, firewalls and NAT
  • Security controls: preventive/detective/corrective, least privilege, defense-in-depth
  • Authentication & authorization basics: passwords, MFA, IAM concepts
  • Cryptography fundamentals: hashing, symmetric/asymmetric encryption, TLS/PKI overview
  • Secure system & network hardening: patching, configuration, endpoint security basics
  • Security monitoring basics: logs, SIEM concept, indicators of compromise
  • Incident response lifecycle: preparation, detection, containment, eradication, recovery
  • Vulnerability management: scanning concept, CVEs, prioritization and remediation
  • Web/app security basics: OWASP Top 10 awareness and secure coding principles
  • Governance basics: policies, compliance awareness, security best practices & hygiene

Course Description

Cybersecurity is no longer a niche specialty reserved for large companies or advanced engineers. It is a foundational skill for anyone who uses cloud services, works with data, manages devices, or wants a future-proof role in technology. This free online course is designed to help beginners understand how digital attacks happen and, more importantly, how to prevent them. You will gain practical awareness that applies to everyday work environments as well as to entry-level security opportunities.

Instead of focusing on theory alone, the course builds a clear mental model of modern security: how information moves across networks, where the most common weaknesses appear, and why attackers choose certain techniques. You will learn the language and mindset of cybersecurity so you can communicate with IT teams, evaluate risks, and make smarter decisions about systems and data. This foundation is essential whether you aim for a security role or you simply want to become more confident working in tech.

By the end, you should be able to recognize typical attack patterns, understand the purpose of key security controls, and follow best practices that reduce exposure to threats. You will also develop the habit of thinking defensively: verifying access, minimizing privileges, keeping environments hardened, and responding quickly when something seems off. These habits matter for individuals and organizations alike, and they translate well to real job scenarios.

If you are exploring the Technology and Programming field or considering a path into Cyber Security, this course is a strong starting point. It can help you build momentum for further study, interviews, and hands-on practice, while giving you a structured view of what cybersecurity work looks like day to day. Complete the training to strengthen your resume and show commitment to learning, especially if you plan to pursue a certificate later or expand into more advanced security topics.

Course content

  • Video class: Cyber Security Full Course 2023 | Cyber Security Course Training For Beginners 2023 | Simplilearn 11h06m

This free course includes:

11 hours and 6 minutes of online video course

Digital certificate of course completion (Free)

Exercises to train your knowledge

100% free, from content to certificate

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can I get a job with only this certificate?

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