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.

LearnQuest
Skills you'll gain: Blockchain, Key Management, Cryptography, Application Security, Encryption, Secure Coding, Data Security, Public Key Cryptography Standards (PKCS), Security Testing, Vulnerability Management, Vulnerability Assessments, Code Review
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Digital Forensics, Infrastructure as Code (IaC), Endpoint Security, Vulnerability Management, Risk Management, Cryptography, Cybersecurity, Cloud Computing Architecture, Network Security, Incident Response, Threat Management, Cloud Security, Threat Modeling, Risk Analysis, Business Risk Management, Encryption, Cyber Security Policies, Identity and Access Management, Secure Coding, Cyber Threat Intelligence
Intermediate · Specialization · 3 - 6 Months
Skills you'll gain: Blockchain, FinTech, Cryptography, Design, Emerging Technologies, Stakeholder Analysis, Distributed Computing, Digital Assets, Data Integrity, Financial Services, Public Key Cryptography Standards (PKCS)
Beginner · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Distributed Denial-Of-Service (DDoS) Attacks, Vulnerability Assessments, Cloud Security, Mobile Security, Cryptography, Android (Operating System), Penetration Testing, Encryption, Cybersecurity, Network Security, Exploitation techniques, SQL
Intermediate · Course · 1 - 4 Weeks

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

Skills you'll gain: Public Key Infrastructure, Cryptography, Encryption, Data Security, Cryptographic Protocols, Data Integrity, Information Systems Security, Key Management, Network Security, Information Privacy, Authentications, Digital Communications
Beginner · Course · 1 - 4 Weeks
University of California, Irvine
Skills you'll gain: Blockchain, FinTech, Cryptography, Distributed Computing, Transaction Processing, Payment Systems, Emerging Technologies, Digital Assets, Software Systems, Computer Systems, Software Architecture, Data Integrity, Network Analysis, Peer Review
Beginner · Course · 1 - 4 Weeks

Simplilearn
Skills you'll gain: Cybersecurity, Data Security, Cryptography, AI Security, Brute-force attacks, Authentications, Data Integrity
Beginner · Course · 1 - 4 Weeks

Institut Mines-Télécom
Skills you'll gain: Blockchain, Cryptography, Cryptographic Protocols, Encryption, Public Key Cryptography Standards (PKCS), Authentications, FinTech, Transaction Processing, Emerging Technologies, Algorithms, Data Structures, Data Integrity, Verification And Validation
Intermediate · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Security Controls, Information Systems Security, Cybersecurity, Application Security, Cryptography, Data Security, Threat Management, Computer Security, Enterprise Security, Security Engineering, Blockchain, Zero Trust Network Access, Information Assurance, Threat Detection, Encryption, Authentications, Public Key Infrastructure, Vulnerability Assessments, Authorization (Computing), Data Integrity
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Cryptography, Encryption, Application Development, Security Engineering, Application Security, C++ (Programming Language)
Intermediate · Guided Project · Less Than 2 Hours

Illinois Tech
Skills you'll gain: Cybersecurity, Cyber Attacks, Network Security, Information Systems Security, Computer Security, Cryptography, Disaster Recovery, Application Security, Cyber Operations, Cyber Security Policies, Cryptographic Protocols, IT Security Architecture, Telecommunications, Network Administration, NIST 800-53, Infrastructure Security, Security Controls, Data Security, Encryption, Governance Risk Management and Compliance
Build toward a degree
Intermediate · Course · 1 - 3 Months