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.

University of Colorado System
Skills you'll gain: Cryptography, Data Integrity, Encryption, Authentications, Key Management, Data Security, Public Key Cryptography Standards (PKCS), Digital Communications
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Cryptography, Encryption, Python Programming, Data Security
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Cryptographic Protocols, Blockchain, Business Continuity Planning, Cryptography, Encryption, Business Continuity, Disaster Recovery, Data Management, Security Engineering, Digital Assets, Threat Modeling, Vulnerability Assessments, Security Architecture Review, Cybersecurity, Regulatory Compliance, Enterprise Security, Network Security, Asset Protection, Vulnerability Management, Data Security
Beginner · Specialization · 1 - 3 Months

Amazon Web Services
Skills you'll gain: Cloud Security, Amazon Web Services, Encryption, Data Security, Cryptography, Security Controls, Cryptographic Protocols
Mixed · Course · 1 - 4 Weeks

University of Maryland, College Park
Skills you'll gain: Hardware Design, Security Engineering, Computer Hardware, Hardware Architecture, Hardening, Computer Security, Threat Modeling, Threat Detection, Cybersecurity, Intrusion Detection and Prevention, Security Architecture Review, Application Specific Integrated Circuits, Cryptographic Protocols, Microarchitecture, Cryptography, Systems Design, Encryption, Exploitation techniques, Functional Design, Emerging Technologies
Mixed · Course · 1 - 3 Months

University at Buffalo
Skills you'll gain: Blockchain, Cryptography, Transaction Processing, Cryptographic Protocols, Network Protocols, Distributed Computing, Virtual Environment, Data Integrity, Virtual Machines, Algorithms, Verification And Validation
Beginner · Course · 1 - 4 Weeks

The Hong Kong University of Science and Technology
Skills you'll gain: Cryptography, Algorithms, Encryption, Theoretical Computer Science, Combinatorics, Arithmetic, Applied Mathematics, Logical Reasoning
Beginner · Course · 1 - 3 Months

Ball State University
Skills you'll gain: Cryptography, Application Security, Encryption, Authentications, Cybersecurity, Cryptographic Protocols, Data Encryption Standard, Advanced Encryption Standard (AES), Email Security, Network Security, Information Systems Security, Secure Coding, Key Management, Application Development, Public Key Infrastructure, Network Protocols, Data Integrity
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Blockchain, Cryptography, Cybersecurity, Cyber Threat Intelligence, Enterprise Application Management, Cyber Attacks, Emerging Technologies, Financial Trading, Digital Assets, Cyber Security Assessment, Cryptographic Protocols, FinTech, Payment Systems, Security Testing, Auditing, Transaction Processing, Data Integrity
Beginner · Course · 1 - 3 Months

Skills you'll gain: Cryptography, Model Evaluation, Exploratory Data Analysis, Event-Driven Programming, Encryption, Cryptographic Protocols, Server Side, Web Development, Regression Analysis, Apache, Model Training, Web Services, Classification Algorithms, Machine Learning Algorithms, Data Preprocessing, Secure Coding, Public Key Cryptography Standards (PKCS), Web Scraping, Natural Language Processing, Python Programming
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Incident Response, Vulnerability Management, Continuous Monitoring, Digital Forensics, Public Key Infrastructure, Security Management, Business Continuity Planning, Cryptography, Endpoint Security, Disaster Recovery, Computer Security Incident Management, Encryption, Incident Management, Network Security, Authentications, Mobile Security, OSI Models, Security Controls, Configuration Management, Risk Analysis
Beginner · Specialization · 1 - 3 Months

LearnKartS
Skills you'll gain: Distributed Denial-Of-Service (DDoS) Attacks, Penetration Testing, Vulnerability Scanning, Security Testing, Cyber Security Assessment, Cybersecurity, Network Security, Cyber Attacks, Cryptography, Kubernetes, Application Security, Cloud Infrastructure, Cloud Applications, Cyber Security Strategy, Cyber Threat Intelligence, Cyber Threat Hunting, Security Controls, Security Awareness, Cyber Risk, Security Strategy
Beginner · Specialization · 1 - 3 Months