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.

Skills you'll gain: Cryptographic Protocols, Network Security, Encryption, OSI Models, Cryptography, IT Security Architecture, Network Performance Management, Network Architecture, Computer Networking, General Networking, Communication Systems, Remote Access Systems, TCP/IP, Network Infrastructure, Network Protocols, Wireless Networks, Virtual Private Networks (VPN), Virtual Networking, Endpoint Security, Cloud Security
★ 4.7 (11) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cryptography, Data Security, Encryption, Authorization (Computing), General Data Protection Regulation (GDPR), Cryptographic Protocols, Public Key Infrastructure, Authentications, Key Management, Identity and Access Management, Web Development, Application Security, Web Applications, Data Integrity, Multi-Factor Authentication, Security Strategy
★ 4.6 (7) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Cryptography, Network Security, Virtual Networking, Software-Defined Networking, Network Infrastructure, Network Architecture, Encryption, Network Performance Management, Virtualization, Program Development, Hardware Architecture, Open Source Technology, Performance Tuning, Unit Testing
★ 4.6 (137) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Cryptography, Encryption, Risk Management Framework, Multi-Factor Authentication, Cyber Attacks, Cybersecurity, Identity and Access Management, Authentications, Security Controls, Threat Management, Data Security, Information Privacy, Cyber Risk, Authorization (Computing)
★ 4.6 (41) · Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Penetration Testing, MITRE ATT&CK Framework, Public Key Infrastructure, Cybersecurity, Cryptography, Exploitation techniques, Security Testing, Key Management, Encryption, Technical Writing, Human Factors (Security), Technical Communication
★ 3.9 (9) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Cryptography, Object Oriented Design, Object Oriented Programming (OOP), File I/O, Encryption, Cryptographic Protocols, Data Structures, Program Development, Software Development, Model Evaluation, Automation, Model Training, Machine Learning Algorithms, Database Application, Plot (Graphics), Python Programming, Algorithms, Software Installation, Code Reusability, Functional Design
★ 4.7 (105) · Beginner · Specialization · 3 - 6 Months

LearnQuest
Skills you'll gain: Blockchain, Cryptography, Data Storage, Systems Architecture, Network Architecture, FinTech, Distributed Computing, Cryptographic Protocols, Programming Principles, Emerging Technologies, Computing Platforms, Scalability, Data Integrity
★ 4.7 (14) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Blockchain, Digital Assets, Financial Inclusion, FinTech, Cryptography, Distributed Computing, Financial Services, Digital Transformation, Ledgers (Accounting), Cryptographic Protocols, Network Security, Information Privacy, Transaction Processing, Cost Reduction
★ 4.7 (40) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Security Controls, Threat Management, Cybersecurity, Threat Detection, Zero Trust Network Access, Cyber Attacks, Authentications, Application Security, Cyber Risk, Information Systems Security, Data Security, Encryption, Multi-Factor Authentication, Cryptography, Authorization (Computing), Identity and Access Management
★ 4.9 (7) · Intermediate · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Computer Security Incident Management, Vulnerability Management, Cyber Security Strategy, Cyber Governance, Incident Response, Cyber Operations, Cyber Threat Intelligence, Encryption, Cyber Attacks, Governance Risk Management and Compliance, Incident Management, Cryptographic Protocols, Threat Detection, Security Strategy, Mobile Security, Network Model, Vulnerability, Security Awareness, Vulnerability Assessments, Vulnerability Scanning
★ 4.6 (50) · Beginner · Specialization · 1 - 3 Months

LearnKartS
Skills you'll gain: Distributed Denial-Of-Service (DDoS) Attacks, Cryptography, Vulnerability Scanning, Kubernetes, Cloud Infrastructure, Cloud Applications, Security Testing, Cyber Security Strategy, Email Security, SQL
★ 4.7 (51) · Intermediate · Course · 1 - 4 Weeks

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Theoretical Computer Science, Mathematics and Mathematical Modeling, Applied Mathematics, Algorithms, Cryptography, Data Management
Beginner · Course · 1 - 3 Months