Cryptography courses can help you learn encryption techniques, hashing algorithms, digital signatures, and secure communication protocols. You can build skills in threat modeling, cryptanalysis, and implementing security measures to protect sensitive data. Many courses introduce tools like OpenSSL, GnuPG, and various programming libraries that facilitate secure coding practices and help you apply cryptographic principles in real-world applications.

Macquarie University
Skills you'll gain: Cryptography, Encryption, Network Security, Cybersecurity, Security Engineering, Network Protocols, Federated Learning, Security Management
★ 4.8 (13) · Beginner · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Cryptography, Brute-force attacks, Cryptographic Protocols, Encryption, Key Management, Cybersecurity, Computer Security, Information Assurance, Theoretical Computer Science, Threat Modeling, Communication Systems
★ 4.5 (551) · Intermediate · Course · 1 - 4 Weeks

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Public Key Infrastructure, Cryptography, Public Key Cryptography Standards (PKCS), Cryptographic Protocols, Encryption, Authentications, Data Encryption Standard, Advanced Encryption Standard (AES), Key Management, Network Protocols, Email Security, Cybersecurity, Network Security, Security Software, Data Integrity, Multi-Factor Authentication, Firewall
Intermediate · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Public Key Infrastructure, Key Management, Cryptography, Cryptographic Protocols, Encryption, Authentications, Algorithms
★ 4.7 (284) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Key Management, Cryptography, Cryptographic Protocols, Advanced Encryption Standard (AES), Cybersecurity, IT Security Architecture, Public Key Infrastructure, Public Key Cryptography Standards (PKCS), Encryption, Cyber Security Policies, Network Security, Computer Security, Quantum computing, NIST 800-53, Information Privacy, Security Management, Risk Management, Network Protocols, Negotiation, Communication
Beginner · Course · 1 - 4 Weeks

University of Leeds
Skills you'll gain: Cryptographic Protocols, Cryptography, Encryption, Public Key Cryptography Standards (PKCS), Data Security
★ 4.4 (16) · Beginner · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Data Encryption Standard, Advanced Encryption Standard (AES), Cryptography, Encryption, Key Management, Brute-force attacks, Algorithms
★ 4.6 (285) · Intermediate · Course · 1 - 3 Months

Macquarie University
Skills you'll gain: DevSecOps, Secure Coding, Cryptography, Application Security, Security Testing, IT Security Architecture, Cyber Threat Intelligence, Cyber Risk, Encryption, Network Security, AI Integrations, DevOps, Cybersecurity, CI/CD, Security Awareness, Cloud Security, Software Development, Security Controls, Artificial Intelligence and Machine Learning (AI/ML), Software Architecture
★ 4.7 (41) · Beginner · Specialization · 3 - 6 Months
Skills you'll gain: IT Security Architecture, Information Systems Security, Network Security, Application Security, Security Controls, Security Awareness, Cybersecurity, Cyber Attacks, Encryption, Data Security, Cryptography, Security Strategy, Security Management, Computer Security Awareness Training, Cyber Security Policies, Authorization (Computing), Threat Management, Firewall, Authentications, Identity and Access Management
★ 4.8 (26K) · Beginner · Course · 1 - 3 Months

University at Buffalo
Skills you'll gain: Blockchain, Cryptography, Transaction Processing, Cryptographic Protocols, Network Protocols, Payment Systems, Distributed Computing, Virtual Environment, Data Integrity, Virtual Machines, Algorithms, Verification And Validation, User Accounts
★ 4.6 (7.8K) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Cryptography, Encryption, Brute-force attacks, Python Programming, Applied Mathematics, Programming Principles, Computational Logic, Algorithms, Code Reusability, File I/O, File Management
Mixed · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Threat Modeling, Open Web Application Security Project (OWASP), Secure Coding, Cryptography, Authentications, Exploit development, Encryption, Penetration Testing, Security Strategy, Security Testing, Data Security, Application Security, Exploitation techniques, Software Design, C and C++, Linux Administration, System Design and Implementation, Java, Programming Principles, Cybersecurity
★ 4.5 (617) · Intermediate · Specialization · 3 - 6 Months