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, Cybersecurity, Network Security, Cryptographic Protocols, Data Security, Public Key Cryptography Standards (PKCS), Cyber Risk, Data Integrity, Transaction Processing
★ 5 (7) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Open Web Application Security Project (OWASP), Mobile Security, Network Security, Cybersecurity, Cryptography, Penetration Testing, Intrusion Detection and Prevention, Vulnerability Assessments, Wireless Networks, Encryption, Application Security, Exploitation techniques, Web Applications, Cloud Security, Internet Of Things
★ 4.9 (19) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Network Security, Network Administration, Cryptography, Firewall, Cryptographic Protocols, Cybersecurity, Intrusion Detection and Prevention, Virtual Private Networks (VPN), Cloud Security, IT Security Architecture, Cyber Attacks, Security Controls, Public Key Infrastructure, Network Monitoring, Encryption, Network Planning And Design, Human Factors (Security), Local Area Networks, Virtual Local Area Network (VLAN), Network Switches
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Public Key Infrastructure, Cloud Security, Hardening, Security Engineering, Cryptographic Protocols, Infrastructure Security, Information Systems Security, System Configuration, Cryptography, Cloud Computing, Key Management, Encryption, Mobile Security
Intermediate · Course · 1 - 4 Weeks
LearnQuest
Skills you'll gain: Blockchain, Key Management, 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, Solution Design
★ 4.6 (20) · Intermediate · Specialization · 3 - 6 Months

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, Cyber Governance, Risk Management Framework, Computer Security, Information Assurance, Security Controls, Enterprise Security, Data Integrity
★ 4.7 (317) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Authentications, Incident Response, MITRE ATT&CK Framework, Security Controls, Cryptography, Malware Protection, Cryptographic Protocols, Threat Modeling, Endpoint Security, Key Management, Authorization (Computing), Public Key Infrastructure, Security Management, Vulnerability Assessments, Risk Management, Network Security, Application Security, Asset Management, Cloud Security, OSI Models
★ 4.7 (300) · Beginner · Specialization · 1 - 3 Months

University of Colorado System
Skills you'll gain: Distributed Denial-Of-Service (DDoS) Attacks, Intrusion Detection and Prevention, Role-Based Access Control (RBAC), AWS Identity and Access Management (IAM), Amazon Web Services, Amazon Elastic Compute Cloud, Identity and Access Management, Cloud Computing, User Provisioning, Security Controls, Cloud Management, Malware Protection, Cloud Infrastructure, Cloud Security, Load Balancing, Authorization (Computing), Network Security, Hardening, Cryptographic Protocols, Cybersecurity
★ 4.5 (658) · Beginner · Specialization · 3 - 6 Months

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

LearnQuest
Skills you'll gain: Blockchain, Cryptography, Network Security, Secure Coding, Cryptographic Protocols, Distributed Denial-Of-Service (DDoS) Attacks, Encryption, Cybersecurity, Key Management, Vulnerability Assessments, Authorization (Computing), Code Review, Dependency Analysis
Advanced · Course · 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
★ 4.1 (234) · Beginner · Specialization · 3 - 6 Months

LearnQuest
Skills you'll gain: Blockchain, Security Controls, Cybersecurity, Data Security, Network Security, Security Architecture Review, Cryptography, IT Security Architecture, Vulnerability Assessments, Cryptographic Protocols, Encryption, Key Management, Risk Management, Public Key Cryptography Standards (PKCS), Data Integrity
★ 4.8 (13) · Intermediate · Course · 1 - 3 Months