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edX: Try It: Cybersecurity Basics

Do you want to add cybersecurity to your professional skill set? Join this free introductory course to learn cybersecurity basics — and without any prior experience. You’ll learn about the Confidentiality, Integrity, and Availability (CIA) Triad, and how it applies to the daily tasks of a cyber professional. You’ll also examine the basics of cryptography and apply them in an encryption-decryption challenge.

Try It: Cybersecurity Basics
1 weeks
1–2 hours per week
Progress at your own speed
Access to course at no cost

There is one session available:

5,656 already enrolled! After a course session ends, it will be archivedOpens in a new tab.
Starts Nov 29

About this course

Skip About this course

Cybersecurity as a profession is projected to grow much faster than the national average for all occupations.1 Want to break into the field?

This beginner-friendly and asynchronous course will help you jumpstart your cybersecurity career. Engage in an online learning experience tailored to your experience level.

In it, you will learn to think like a cyber pro, at your own pace. Study the key elements of the CIA Triad, cryptography basics, and the daily responsibilities of cybersecurity professionals working in the field today.

Key concepts covered in this course include:

  • Cybersecurity
  • CIA Triad
  • Cryptography
  • Plaintext
  • Ciphertext
  • Encryption
  • Decryption
  • Cipher
  • Key
  • Caesar Cipher
  • Symmetric encryption

No prior experience or technical installations is required to join or complete this course.


1 Occupational Outlook Handbook: Information Security Analysts. (2022). U.S. Bureau of Labor Statistics. March 14, 2023.

At a glance

  • Institution:


  • Subject: Engineering
  • Level: Introductory
  • Prerequisites:
  • Language: English
  • Video Transcript: English

What you'll learn

Skip What you'll learn
  • Recognize the basics and the importance of cybersecurity.
  • Define and apply the CIA Triad to different scenarios.
  • Examine cryptography basics and how they apply to cybersecurity.

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