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.

University of California, Davis
Skills you'll gain: Threat Modeling, Secure Coding, Cryptography, Open Web Application Security Project (OWASP), Encryption, Application Security, Vulnerability Assessments, Data Security, Exploitation techniques, Security Controls, Authentications, Vulnerability Management, Personally Identifiable Information
Intermediate · Course · 1 - 4 Weeks

Macquarie University
Skills you'll gain: Cyber Risk, Security Awareness, Cyber Attacks, Mobile Security, Cybersecurity, Cyber Security Assessment, Cyber Security Policies, Data Security, Cyber Threat Hunting, Email Security, Authentications, Security Management, Security Strategy
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Virtual Networking, Network Troubleshooting, Linux, Kubernetes, Network Architecture, Network Administration, Computer Networking, Docker (Software), TCP/IP, Network Routing, Containerization, Network Switches, Firewall, Network Protocols
Build toward a degree
Intermediate · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Open Web Application Security Project (OWASP), Penetration Testing, Metasploit, Security Testing, Security Strategy, Vulnerability Assessments, Cyber Security Assessment, Security Management, Vulnerability Scanning, Cyber Threat Intelligence, Exploitation techniques, Threat Detection
Beginner · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Continuous Monitoring, Cybersecurity, Security Management, Network Security, Security Strategy, Risk Management Framework, Internet Of Things, Cyber Risk, Threat Management, Cyber Security Strategy, Infrastructure Security, Hardware Architecture, Security Engineering, Encryption, Communication Systems, Wireless Networks, Information Systems Security, Vulnerability Assessments, Risk Analysis, Network Infrastructure
Beginner · Specialization · 1 - 3 Months

Google Cloud
Skills you'll gain: Network Architecture, Network Planning And Design, Cloud Computing Architecture, Virtual Networking, Network Infrastructure, Google Cloud Platform, General Networking, Network Routing, Network Security, Network Troubleshooting, Network Model, Network Analysis, Firewall, Load Balancing, Scalability
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Cyber Operations, Continuous Monitoring, Cybersecurity, Cyber Security Strategy, Threat Management, DevOps, Security Engineering, Threat Detection, Cyber Security Assessment, Incident Response, Site Reliability Engineering, Digital Transformation, Agile Methodology, Automation, Critical Thinking
Beginner · Course · 1 - 3 Months

Skills you'll gain: Embeddings, PyTorch (Machine Learning Library), Artificial Neural Networks, Image Analysis, Deep Learning, Applied Machine Learning, Convolutional Neural Networks, Computer Vision
Advanced · Guided Project · Less Than 2 Hours

Skills you'll gain: Dynamic Host Configuration Protocol (DHCP), Virtual Networking, Network Administration, Network Troubleshooting, TCP/IP, Computer Networking, Local Area Networks, General Networking, Network Switches, Network Routers, Simulations, Configuration Management, Information Technology, Verification And Validation, System Testing
Intermediate · Guided Project · Less Than 2 Hours

Macquarie University
Skills you'll gain: DevSecOps, Secure Coding, Application Security, IT Security Architecture, DevOps, Security Engineering, Security Testing, Security Controls, Cyber Security Strategy, Cybersecurity, Infrastructure as Code (IaC), Vulnerability Management
Beginner · Course · 1 - 3 Months

Infosec
Skills you'll gain: Authentications, Cryptography, Application Security, Web Applications, Javascript, Identity and Access Management, Node.JS, Browser Compatibility
Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Endpoint Security, Infrastructure Security, Security Management, Network Security, Cyber Security Policies, Security Controls, Data Security, Security Strategy, Application Security, IT Infrastructure, Information Management, Enterprise Security, Data Integrity
Beginner · Course · 1 - 4 Weeks