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.

Duke University
Skills you'll gain: Rust (Programming Language), Command-Line Interface, Build Tools, Encryption, Package and Software Management, Application Development, Cryptography, Software Engineering
Beginner · Guided Project · Less Than 2 Hours

EC-Council
Skills you'll gain: Cryptography, Encryption, Systems Development Life Cycle, Human Factors (Security), Threat Management, Systems Development, Security Management, Information Assurance, Cryptographic Protocols, Security Awareness, Cybersecurity, Cyber Attacks, Computer Security Awareness Training, Cyber Security Policies, Threat Detection, ISO/IEC 27001, Data Security, Security Controls, Cyber Threat Intelligence, Network Security
Beginner · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Public Key Infrastructure, Cybersecurity, Information Systems Security, Data Security, Cyber Attacks, Information Assurance, Network Security, Risk Management Framework, Security Controls, Cryptography, Cryptographic Protocols, Key Management, Security Engineering, Threat Modeling, Security Management, Authorization (Computing), Encryption, Email Security, Data Integrity, Authentications
Intermediate · 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)
Intermediate · Course · 1 - 3 Months

Packt
Skills you'll gain: Threat Management, Vulnerability Assessments, Incident Response, Incident Management, Computer Security Incident Management, Public Key Infrastructure, IT Security Architecture, Disaster Recovery, Vulnerability Management, Law, Regulation, and Compliance, Threat Detection, Cyber Security Assessment, Risk Management, Risk Management Framework, Network Security, Infrastructure Security, Cloud Security, Hardening, Security Engineering, Enterprise Application Management
Beginner · Specialization · 1 - 4 Weeks

Skills you'll gain: Digital Forensics, Infrastructure as Code (IaC), Endpoint Security, Vulnerability Management, Risk Management, Cryptography, Cybersecurity, Risk Management Framework, Cloud Computing Architecture, Network Security, Incident Response, Threat Management, Cloud Security, Risk Analysis, Cryptographic Protocols, Cyber Attacks, Business Risk Management, Encryption, Cyber Security Policies, Cyber Threat Intelligence
Intermediate · Specialization · 3 - 6 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
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Distributed Denial-Of-Service (DDoS) Attacks, Metasploit, Penetration Testing, Exploit development, Vulnerability Scanning, Malware Protection, Exploitation techniques, Database Management, Cyber Security Assessment, Security Testing, Cyber Security Strategy, Cyber Threat Intelligence, Cyber Operations, Vulnerability Assessments, Brute-force attacks, Cryptography, Cybersecurity, Intrusion Detection and Prevention, Linux, Linux Administration
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: MITRE ATT&CK Framework, Threat Modeling, Threat Management, Cybersecurity, Application Security, IT Security Architecture, Security Strategy, Internet Of Things, Secure Coding, Security Controls, Microsoft Azure, Identity and Access Management, Asset Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Cryptography, Network Security, Cryptographic Protocols, OSI Models, Public Key Infrastructure, Cybersecurity, Advanced Encryption Standard (AES), Key Management, Network Protocols, Encryption, Threat Modeling, Data Encryption Standard, Remote Access Systems, Firewall, Brute-force attacks, Emerging Technologies, TCP/IP, Wireless Networks, Local Area Networks, Authentications
Advanced · Course · 1 - 4 Weeks

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

Skills you'll gain: Cryptography, Network Security, Cryptographic Protocols, 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
Beginner · Course · 1 - 4 Weeks