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: Blockchain, Cryptography, Encryption, Cryptographic Protocols, Security Engineering, Threat Modeling, Security Architecture Review, Secure Coding, Distributed Denial-Of-Service (DDoS) Attacks, Vulnerability Assessments, Transaction Processing, Exploitation techniques, Information Privacy
Beginner · 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)
★ 4.6 (41) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Cryptographic Protocols, Network Security, Encryption, OSI Models, Cryptography, IT Security Architecture, Network Performance Management, Network Architecture, Computer Networking, General Networking, Communication Systems, Remote Access Systems, TCP/IP, Network Infrastructure, Network Protocols, Wireless Networks, Virtual Private Networks (VPN), Virtual Networking, Endpoint Security, Cloud Security
★ 4.7 (11) · Intermediate · Course · 1 - 4 Weeks

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
★ 3.9 (241) · Intermediate · Course · 1 - 4 Weeks

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: 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
★ 4.7 (105) · 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, Cyber Security Strategy, Security Testing, Cyber Threat Intelligence, Cyber Operations, Vulnerability Assessments, Brute-force attacks, Cryptography, Cybersecurity, Intrusion Detection and Prevention, Linux, Linux Administration
★ 4.8 (92) · Beginner · Specialization · 3 - 6 Months

LearnKartS
Skills you'll gain: Distributed Denial-Of-Service (DDoS) Attacks, Penetration Testing, Vulnerability Scanning, Security Testing, Cyber Security Assessment, Cybersecurity, Network Security, Cyber Attacks, Cryptography, Kubernetes, Application Security, Cloud Infrastructure, Cyber Security Strategy, Cyber Threat Intelligence, Cyber Threat Hunting, Cyber Operations, Security Controls, Security Awareness, Cyber Risk, Security Strategy
★ 4.6 (292) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Security Controls, Threat Management, Cybersecurity, Threat Detection, Zero Trust Network Access, Cyber Attacks, Authentications, Application Security, Cyber Risk, Information Systems Security, Data Security, Encryption, Multi-Factor Authentication, Cryptography, Authorization (Computing), Identity and Access Management
★ 4.9 (8) · Intermediate · 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
★ 4.8 (11) · 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
★ 4.7 (51) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cryptography, Network Security, 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
★ 4.6 (137) · Beginner · Course · 1 - 4 Weeks