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Intermediate Cybersecurity Free

Network Security Fundamentals

By the end of this course, learners should be able to explain Lesson 1: Security mindset and threat models

Embark on your learning journey with Network Security Fundamentals. This course is designed to be accessible to beginners while providing enough depth to challenge experienced learners.

You'll gain hands-on experience through interactive coding exercises, quizzes, and real-world projects. Our community forum provides support whenever you need it.

Invest in your future today and join the next generation of African tech leaders.

What you will learn

  • By the end of this course, learners should be able to explain Lesson 1: Security mindset and threat models
  • By the end of this course, learners should be able to explain Lesson 2: Common attack surfaces
  • By the end of this course, learners should be able to explain Lesson 3: Secure authentication basics
  • By the end of this course, learners should be able to explain Lesson 1: Identify vulnerabilities safely
  • By the end of this course, learners should be able to explain Lesson 2: Harden applications and servers
Learn Practice Build Prove

Skills you will develop

Web and API security

Skills you’ll develop

Web and API security

Course completion demonstrates these skills. Verification requires assessment or reviewed challenge work.

What you will build and prove

  • Practice: Practice: Lesson 3: Encrypt data in transit and at rest
  • Project: Apply Network Security Fundamentals
  • Quiz: Lesson 3: Encrypt data in transit and at rest check (pass 70%)
  • Final assessment: Network Security Fundamentals — course assessment (pass 70%)
4 Modules
12 Lessons
6h Study time
12 With video

Course journey

How this free course is structured — watch, practise, and progress module by module.

  1. Week 1: Security Foundations
  2. Week 2: Core Security Skills
  3. Week 3: Ethical Hacking
  4. Week 4: Security Project

Practice

1 optional practice exercise — apply what you learned. Practice is not required to complete the course.

Assessment

  • Lesson 3: Encrypt data in transit and at rest check · pass mark 70%
  • Network Security Fundamentals — course assessment · pass mark 70%

Prove

Course completion means finishing required lessons , and the course assessment . That grants a certificate of completion — not a professional certification. Optional practice does not block completion.

Curriculum

Week 1: Week 1: Security Foundations

  • Lesson 1: Security mindset and threat models Preview 35min
  • Lesson 2: Common attack surfaces Preview 22min
  • Lesson 3: Secure authentication basics 34min

Week 2: Week 2: Core Security Skills

  • Lesson 1: Identify vulnerabilities safely 31min
  • Lesson 2: Harden applications and servers 43min
  • Lesson 3: Encrypt data in transit and at rest Practice 31min

Week 3: Week 3: Ethical Hacking

  • Lesson 1: Identify vulnerabilities safely 33min
  • Lesson 2: Harden applications and servers 37min
  • Lesson 3: Encrypt data in transit and at rest 38min

Week 4: Week 4: Security Project

  • Lesson 1: Identify vulnerabilities safely 33min
  • Lesson 2: Harden applications and servers 21min
  • Lesson 3: Encrypt data in transit and at rest 31min
Free

Free to enroll — no purchase required.

4.60 rating (150)

Instructor: Africoders

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