Network security courses can help you learn about firewalls, intrusion detection systems, and encryption protocols. You can build skills in risk assessment, incident response, and vulnerability management. Many courses introduce tools like Wireshark for network analysis, Nessus for vulnerability scanning, and various security information and event management (SIEM) systems, showing how these skills are applied in practical work to protect networks from cyber threats.

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

Skills you'll gain: Linux Administration, Linux, Linux Servers, Linux Commands, Scripting, Data Integrity
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cyber Security Strategy, Threat Modeling, Fraud detection, Data Security, Security Controls, Security Awareness, Operational Risk, Threat Detection, Information Systems Security, Threat Management, Key Management, Security Engineering, Encryption, Infrastructure Security, Cyber Risk, Regulatory Compliance, Network Protocols, Financial Regulation, Scripting, Scalability
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Governance Risk Management and Compliance, Security Management, Compliance Management, Risk Appetite, Risk Analysis, Compliance Training, Risk Mitigation, Risk Management Framework, Cyber Governance, Regulatory Compliance, Compliance Auditing, Cyber Risk, Cyber Security Policies, Governance, Regulation and Legal Compliance, Continuous Monitoring, Law, Regulation, and Compliance, Cyber Security Assessment, Computer Security Awareness Training, Vulnerability Assessments
★ 4.8 (10) · Advanced · Course · 1 - 4 Weeks

Intermediate · Course · 1 - 3 Months

Skills you'll gain: Threat Modeling, IT Security Architecture, Application Security, Security Testing, Security Strategy, Information Systems Security, Security Engineering, Security Controls, Software Architecture, Software Development Methodologies, Software Development Life Cycle, DevSecOps, Cyber Security Strategy, Security Management, Business Strategies, Penetration Testing, Compliance Management
Beginner · Course · 1 - 4 Weeks

John Wiley & Sons
Skills you'll gain: Disaster Recovery, Database Administration, Business Continuity Planning, Database Systems, Database Management Systems, Database Architecture and Administration, Database Management, Data Governance, Relational Databases, Data Management, Data Security, Business Continuity, Security Controls, SQL, Infrastructure Security, Authorization (Computing), Identity and Access Management, Data Analysis, Malware Protection
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Medical Privacy, Health Insurance Portability And Accountability Act (HIPAA) Compliance, Health Information Management, Security Awareness, Cloud Security, Encryption, Personally Identifiable Information, Health Informatics, Health Information Management and Medical Records, Healthcare Industry Knowledge, Health Care Procedure and Regulation, Data Security, Security Controls, Cyber Attacks, Medical Records, Health Technology, Health Administration, Information Privacy, Cloud Computing, Patient Safety
★ 4.8 (477) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Wireless Networks, Virtualization and Virtual Machines, Network Administration, Virtual Machines, General Networking, Virtualization, Computing Platforms, Cloud Hosting, Network Troubleshooting, Network Support, Network Security, Cloud Computing, Security Controls, Computer Networking, Networking Hardware, Virtual Private Networks (VPN), Mobile Security, Telecommunications, Network Architecture, Local Area Networks
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Blockchain, Cryptography, Encryption, Cryptographic Protocols, Security Architecture Review, Secure Coding, Threat Management, Distributed Denial-Of-Service (DDoS) Attacks, Vulnerability Assessments, Transaction Processing, Exploitation techniques, Information Privacy
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: DevSecOps, Azure DevOps, Azure DevOps Pipelines, Microsoft Azure, DevOps, Governance, Vulnerability Scanning, Security Testing, Application Security, Devops Tools, Identity and Access Management, Role-Based Access Control (RBAC), Security Controls, Compliance Management, Authorization (Computing), Dependency Analysis, Containerization, Code Reusability, GitHub, Git (Version Control System)
Intermediate · Course · 1 - 4 Weeks
STARWEAVER
Skills you'll gain: Open Web Application Security Project (OWASP), Security Testing, Cyber Security Strategy, Application Security, Vulnerability Scanning, Security Strategy, Penetration Testing, DevSecOps, Software Testing, Debugging, Cybersecurity, Vulnerability Assessments, Cyber Security Assessment, Secure Coding, White-Box Testing, Test Automation, Code Review, Vulnerability Management, Technical Communication, Continuous Monitoring
Intermediate · Course · 1 - 3 Months