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 Illinois Urbana-Champaign
Skills you'll gain: Distributed Computing, File Systems, Cloud Computing, Operating Systems, Transaction Processing, Network Security, Data Centers, Authorization (Computing), Apache Hadoop, Data Store, Authentications, Cryptography, NoSQL, Algorithms
Mixed · Course · 1 - 3 Months

Fractal Analytics
Skills you'll gain: Cloud Computing, Information Technology, Cybersecurity, Machine Learning Algorithms, Critical Thinking, Simulations
Beginner · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Blockchain, FinTech, Emerging Technologies, Cryptography, Law, Regulation, and Compliance, Financial Regulation, Regulatory Requirements, Regulatory Compliance, Encryption, Technology Strategies, Business Logic, Payment Systems, Data Integrity, Digital Assets, Financial Services, Public Key Infrastructure, Innovation, Distributed Computing, Due Diligence, Network Protocols
Intermediate · Course · 1 - 3 Months

Universidad de los Andes
Skills you'll gain: Cryptography, Security Requirements Analysis, Encryption, Data Security, Security Management, Personally Identifiable Information, Threat Management, ISO/IEC 27001, Cyber Security Policies, Information Assurance, General Data Protection Regulation (GDPR), Cybersecurity, Information Privacy, Security Awareness, Threat Detection, Cyber Risk, Human Factors, Authentications, Data Integrity, Authorization (Computing)
Beginner · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Cybersecurity, TCP/IP, Network Protocols, Data Security, Litigation Support, Network Security, General Networking, Record Keeping, Data Storage, Data Integrity, Cryptography, File Management, File Systems, Encryption, Data Validation, Command-Line Interface, Technical Writing, Linux Commands, Unix Commands, Algorithms
Intermediate · Course · 1 - 3 Months

Palo Alto Networks
Skills you'll gain: Network Security, Cloud Security, Cybersecurity, Cloud Infrastructure, Firewall, Network Infrastructure, Docker (Software), Virtual Private Networks (VPN), Software As A Service, Hybrid Cloud Computing, Containerization, Threat Detection, Data Centers, Threat Management, OSI Models, Enterprise Security, Network Protocols, Dynamic Host Configuration Protocol (DHCP), Vulnerability Scanning, Incident Response
Beginner · Professional Certificate · 3 - 6 Months

Cisco Learning and Certifications
Skills you'll gain: Key Management, Data Security, Cryptography, Encryption, Cybersecurity, Network Security, Security Information and Event Management (SIEM), Network Monitoring, Network Analysis, Intrusion Detection and Prevention, Event Monitoring, Continuous Monitoring, Threat Detection, Incident Response
Mixed · Course · 1 - 4 Weeks

The University of Sydney
Skills you'll gain: Blockchain, Distributed Computing, Security Engineering, Network Security, Scalability, Cryptography, Data Integrity, Transaction Processing, Algorithms
Beginner · Course · 1 - 3 Months

Skills you'll gain: Audit Planning, Service Level Agreement, Data Governance, Systems Development Life Cycle, Data Loss Prevention, Security Testing, Network Security, Software Development Life Cycle, IT Management, Systems Development, Incident Management, Problem Management, Database Management Systems, Control Objectives for Information and Related Technology (COBIT), Cryptography, Cloud Management, Software Development Methodologies, Auditing, Risk Management Framework, Internal Controls
Intermediate · Specialization · 3 - 6 Months

Universidad de los Andes
Skills you'll gain: IT Security Architecture, Computer Security Incident Management, Network Security, Incident Response, Cryptography, Security Requirements Analysis, Penetration Testing, Information Systems Security, Cybersecurity, Threat Detection, Cloud Security, Vulnerability Assessments, Threat Modeling, IT Management, Encryption, Vulnerability Management, Exploitation techniques, Data Security, Security Management, Personally Identifiable Information
Beginner · Specialization · 1 - 3 Months

EC-Council
Skills you'll gain: Network Security, Mobile Security, Public Key Infrastructure, Cryptography, Security Controls, Cybersecurity, Authorization (Computing), Encryption, Identity and Access Management, Wireless Networks, Cloud Computing, Cloud Security, Network Monitoring, Data Security, Internet Of Things, Virtualization and Virtual Machines
Beginner · Course · 1 - 3 Months

Skills you'll gain: Algorithms, Computer Hardware, Cryptography, Python Programming, Computer Programming, Computational Thinking, Emerging Technologies, Technical Documentation, Theoretical Computer Science, Linear Algebra, Simulations
Beginner · Course · 1 - 3 Months