25 Best Cryptography Courses Online

Cryptography

Offered by Birla Institute of Technology & Science, Pilani

This course is designed to give you a solid foundation in how information is protected in the digital age. Step into the world of cryptography—the science behind secure communication. This course aims to prepare you for...

Introduction to Applied Cryptography

Offered by University of Colorado System

Cryptography is an essential component of cybersecurity. The need to protect sensitive information and ensure the integrity of industrial control processes has placed a premium on cybersecurity skills in today’s informat...

Cryptography I

Offered by Stanford University

Cryptography is an indispensable tool for protecting information in computer systems. In this course you will learn the inner workings of cryptographic systems and how to correctly use them in real-world applications. Th...

An Introduction to Cryptography

Offered by University of Leeds

Cryptography is an essential part of secure but accessible communication that's critical for our everyday life and organisations use it to protect their privacy and keep their conversations and data confidential. This co...

Basic Cryptography and Programming with Crypto API

Offered by University of Colorado System

In this MOOC, we will learn the basic concepts and principles of crytography, apply basic cryptoanalysis to decrypt messages encrypted with mono-alphabetic substitution cipher, and discuss the strongest encryption techni...

Number Theory and Cryptography

Offered by University of California San Diego

A prominent expert in the number theory Godfrey Hardy described it in the beginning of 20th century as one of the most obviously useless branches of Pure Mathematics”. Just 30 years after his death, an algorithm for encr...

Fundamentals of Network Security and Cryptography

Offered by Packt

Updated in May 2025. This course now features Coursera Coach! A smarter way to learn with interactive, real-time conversations that help you test your knowledge, challenge assumptions, and deepen your understanding as yo...

Applied Cryptography

Offered by University of Colorado System

This specialization is intended for the learners interested in or already pursuing a career in computer security or other cybersecurity-related fields. Through four courses, the learners will cover the security of inform...

Python Cryptography: Analyze & Break Ciphers

Offered by EDUCBA

Advance your Python cryptography skills by learning how to analyze and break classical ciphers through practical coding challenges. Designed for learners with Python hacking fundamentals, this intermediate course is idea...

Security Risk Management & Cryptography Fundamentals

Offered by Total Seminars

This course launches the CompTIA Security+ Specialization with the foundational security concepts that underpin every other domain on the exam. Covering approximately 4 hours of expert instruction across exam preparation...

Security+ Certification - Cryptography Domain

This course is for beginners and IT pros looking to get certified and land an entry level Cyber Security position paying upwards of six figures!  There are currently over a million Cyber Security job openings global and...

PKI & Cryptography Basics: Certificates, TLS & OpenSSL!!

This course introduces the fundamental concepts of Public Key Infrastructure (PKI), cryptography, encryption, certificates, TLS, and OpenSSL in a clear, theory-focused way. It is designed as a no-configuration, no-lab le...

Blockchain and Cryptography Overview

Offered by SkillUp

The Blockchain and Cryptography Overview course is a part of the Certified Blockchain Security Professional (CBSP) Exam Prep Specialization and introduces you to fundamental cryptographic principles. You will gain insigh...

Applied Python: Web Dev, Machine Learning & Cryptography

Offered by EDUCBA

This hands-on specialization equips learners to build and deploy dynamic web applications, apply supervised machine learning techniques, and implement real-world cryptographic systems using Python. Across five project-ba...

Python Hacking & Cryptography Mastery

Offered by EDUCBA

The Python Hacking & Cryptography Mastery Specialization takes learners from beginner to advanced levels in both Python programming and cybersecurity fundamentals. Through a structured series of practical, hands-on cours...

Cryptography and Computer Security

In today’s digital world, the protection of information is more critical than ever. Cryptography and Computer Security is a comprehensive course designed to equip learners with the foundational knowledge and practical sk...

Cyber Defense: Penetration Testing, Threat Hunting, and Cryptography

Offered by IBM

This course focuses on the basics of penetration testing, threat hunting, and cryptography. It enables learners to gain an understanding of different vulnerabilities and techniques to mitigate and remediate against those...

Unlocking Information Security I: From Cryptography to Buffer Overflows

Offered by Tel Aviv University

Learn how systems are hacked and defended.

Web3 and Blockchain Transformations in Global Supply Chains

Offered by INSEAD

The global supply chain is a $50 trillion industry and is the foundation of our global economy. While information technology has improved the flow of goods globally over the last few decades, as the COVID-19 crisis revea...

Design and Analyze Secure Networked Systems

Offered by University of Colorado System

In this MOOC, we will learn the basic cyber security concepts, how to identify vulnerabilities/threat in a network system. We will apply CIA basic security services in the triage of recent cyberattack incidents, such as...

Fundamentals of Computer Network Security

Offered by University of Colorado System

This specialization in intended for IT professionals, computer programmers, managers, IT security professionals who like to move up ladder, who are seeking to develop network system security skills. Through four courses,...

Cybersecurity for Data Science

Offered by University of Colorado Boulder

This course aims to help anyone interested in data science understand the cybersecurity risks and the tools/techniques that can be used to mitigate those risks. We will cover the distinctions between confidentiality, int...

Cybersecurity and Its Ten Domains

Offered by Kennesaw State University

This course is designed to introduce students, working professionals and the community to the exciting field of cybersecurity. Throughout the MOOC, participants will engage in community discourse and online interaction....

Cyber Security: DevOps

Offered by Macquarie University

This Specialization combines three advanced, industry-aligned courses, Cyber Security: Applied Cryptography, Cyber Security: DevSecOps, and Cyber Security: Security of AI, to provide a comprehensive pathway into the secu...

Cyber Security: Data & Identity Security

Offered by Macquarie University

This Specialization brings together three industry-aligned courses, Data Security and Information Privacy, Identity and Access Management (IAM), and Applied Cryptography to provide a complete toolkit for safeguarding dig...