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 London
Skills you'll gain: Key Management, Security Management, Cyber Attacks, Cryptography, Cyber Security Policies, Cybersecurity, Encryption, Cyber Risk, ISO/IEC 27001, Threat Management, Risk Management Framework, Security Controls, Data Integrity
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Network Security, Data Security, Emerging Technologies, Quantum computing
Intermediate · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Blockchain, Network Security, Application Security, Computer Security, Cryptography, Cryptographic Protocols, Secure Coding, Encryption, Vulnerability Assessments, Scalability, Distributed Computing, Data Integrity, Exploitation techniques, Transaction Processing, Algorithms
Beginner · Course · 1 - 3 Months

Skills you'll gain: Identity and Access Management, Business Continuity, Cryptographic Protocols, Network Security, Cryptography, Encryption, User Provisioning, Security Management, Penetration Testing, ISO/IEC 27001, Threat Management, Network Performance Management, Information Systems Security, Network Architecture, Cyber Operations, Data Management, Software Development Methodologies, Cybersecurity, Configuration Management, White-Box Testing
Beginner · Specialization · 3 - 6 Months

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, IT Security Architecture, Vulnerability, Security Awareness, Vulnerability Assessments, Vulnerability Scanning
Beginner · Specialization · 1 - 3 Months
University of California, Irvine
Skills you'll gain: Blockchain, Cryptography, Cryptographic Protocols, Encryption, FinTech, Data Sharing, Public Key Infrastructure, Transaction Processing, Key Management, Fraud detection, Distributed Computing, Payment Systems, Data Integrity, Network Model, Emerging Technologies, Digital Assets, Authentications, Data Security, Information Privacy, Digital Transformation
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Penetration Testing, Brute-force attacks, Cyber Security Assessment, Exploitation techniques, Cyber Security Policies, Hardening, Encryption, Network Security, Security Testing, Cybersecurity, Application Security, Security Strategy, Data Storage, Vulnerability Assessments, Wireless Networks, Authentications, Cryptography, Data Security, Cyber Attacks, Drupal
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Public Key Infrastructure, Cryptography, Encryption, Data Security, Cryptographic Protocols, Data Integrity, Information Systems Security, Key Management, Digital Communications, Algorithms
Beginner · Course · 1 - 4 Weeks

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

Skills you'll gain: Key Management, Network Security, Digital Communications, Hardware Architecture
Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Blockchain, Ledgers (Accounting), Financial Inclusion, FinTech, Emerging Technologies, General Ledger, Cryptography, Payment Systems, Digital Assets, Stakeholder Analysis, Cryptographic Protocols, Distributed Computing, Digital Transformation, Stakeholder Management, Public Key Cryptography Standards (PKCS), Transaction Processing, Information Privacy, Governance, Network Security, Data Integrity
Beginner · Course · 1 - 3 Months
LearnQuest
Skills you'll gain: Blockchain, Key Management, Threat Modeling, Public Key Infrastructure, Security Controls, Cryptography, Cybersecurity, Data Security, Application Security, Network Security, Security Architecture Review, IT Security Architecture, Vulnerability Assessments, Encryption, Secure Coding, Cryptographic Protocols, Distributed Denial-Of-Service (DDoS) Attacks, Public Key Cryptography Standards (PKCS), Security Testing, Vulnerability Management
Intermediate · Specialization · 3 - 6 Months