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.

Skills you'll gain: Cybersecurity, Endpoint Security, Network Security, Cyber Attacks, Encryption, Information Systems Security, Application Security, Cyber Security Policies, Penetration Testing, Data Security, Computer Security Awareness Training, Firewall, Cryptography, Security Controls, Threat Modeling, Intrusion Detection and Prevention, Security Awareness, Mobile Security, Malware Protection, Authentications
Beginner · Course · 1 - 3 Months

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

Coursera
Skills you'll gain: Cryptography, Encryption, Public Key Cryptography Standards (PKCS), Python Programming, Data Security
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: IT Security Architecture, Security Controls, Cryptography, Security Engineering, Application Security, Vulnerability Assessments, Information Systems Security, Encryption, Cybersecurity, Hardening, Infrastructure Security, Computer Security, Threat Modeling, Network Security, Public Key Infrastructure, Authentications, Data Integrity
Intermediate · Course · 1 - 4 Weeks

École Polytechnique
Skills you'll gain: Emerging Technologies, Communication Systems, Telecommunications, Cryptography, Simulations, Physics, Computing Platforms, Algorithms, Mathematical Modeling
Mixed · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Blockchain, Cryptography, Network Security, Secure Coding, Distributed Denial-Of-Service (DDoS) Attacks, Encryption, Cybersecurity, Vulnerability Assessments, Transaction Processing
Advanced · Course · 1 - 3 Months

Skills you'll gain: Blockchain, Cryptography, Cybersecurity, Enterprise Application Management, Cyber Attacks, Emerging Technologies, Financial Trading, Digital Assets, Cyber Security Assessment, FinTech, Transaction Processing, Data Integrity
Beginner · Course · 1 - 3 Months

Ball State University
Skills you'll gain: Cryptography, Application Security, Encryption, Authentications, Cybersecurity, Data Encryption Standard, Advanced Encryption Standard (AES), Email Security, Network Security, Information Systems Security, Key Management, Application Development, Public Key Infrastructure, Data Integrity
Build toward a degree
Intermediate · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Penetration Testing, Cybersecurity, Security Testing, Cyber Security Assessment, Network Security, Threat Detection, Cyber Attacks, Cyber Security Strategy, Cyber Threat Intelligence, Cyber Threat Hunting, Exploit development, Information Systems Security, Firewall, Malware Protection, Cloud Computing, Cryptography, Security Awareness, Security Controls, Cyber Risk, Security Strategy
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Cryptography, Model Evaluation, Exploratory Data Analysis, Event-Driven Programming, Encryption, Server Side, Web Development, Regression Analysis, Apache, Web Services, Machine Learning Algorithms, Classification Algorithms, Data Preprocessing, Public Key Cryptography Standards (PKCS), Web Scraping, Natural Language Processing, Web Applications, Key Management, Python Programming, Predictive Modeling
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Incident Response, Network Security, Intrusion Detection and Prevention, Computer Security Incident Management, Command-Line Interface, Cryptography, Open Web Application Security Project (OWASP), Application Security, Secure Coding, Cybersecurity, Encryption, Information Systems Security, Vulnerability Assessments, Cyber Attacks, Security Engineering, Risk Management Framework, Multi-Factor Authentication, Cloud Security, Penetration Testing, Risk Management
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Application Security, Infrastructure Security, Data Security, Information Systems Security, Internet Of Things, Threat Modeling, Cybersecurity, Cloud Security, Security Engineering, Cryptography, Secure Coding, Network Security, Cyber Risk, Cyber Attacks, Mobile Security, Vulnerability, Vulnerability Scanning, Cloud Services, Web Applications, Cloud Platforms
Mixed · Course · 1 - 4 Weeks