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.

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, Security Management, Governance Risk Management and Compliance, Incident Management, Cryptographic Protocols, Threat Detection, Security Strategy, Mobile Security, Vulnerability, Security Awareness, Vulnerability Assessments, Vulnerability Scanning
★ 4.7 (56) · Beginner · Specialization · 1 - 3 Months

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

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

Skills you'll gain: Cryptography, Network Security, Cryptographic Protocols, OSI Models, Public Key Infrastructure, Cybersecurity, Key Management, Network Protocols, Encryption, Remote Access Systems, Firewall, Brute-force attacks, Emerging Technologies, TCP/IP, Wireless Networks, Local Area Networks, Authentications, Quantum computing
★ 4.8 (11) · Advanced · 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

The Hong Kong University of Science and Technology
Skills you'll gain: Probability, Computational Logic, Combinatorics, Bayesian Statistics, Algorithms, Theoretical Computer Science, Mathematical Software, Mathematical Theory & Analysis, Cryptography, Logical Reasoning, Deductive Reasoning, Computational Thinking, Computer Science, Encryption, Data Structures, Arithmetic, General Mathematics, Public Key Cryptography Standards (PKCS), Problem Solving, Cybersecurity
Beginner · Specialization · 3 - 6 Months

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

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, Compliance Management, Network Security, Security Architecture Review, Infrastructure Security, Cloud Security, Hardening
★ 4.7 (27) · 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
★ 4.4 (18) · Intermediate · 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, Security Strategy, Risk Analysis
★ 4.3 (6) · Beginner · Specialization · 1 - 3 Months

LearnKartS
Skills you'll gain: Security Controls, Cybersecurity, Encryption, Cyber Attacks, Information Systems Security, Cryptographic Protocols, Threat Management, Vulnerability Assessments, Vulnerability, Cyber Security Assessment, Vulnerability Scanning, Threat Detection, Cloud Security, Key Management, Asset Protection, Security Awareness, Gap Analysis
★ 4.7 (38) · Beginner · Course · 1 - 4 Weeks

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