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.

LearnQuest
Skills you'll gain: Network Architecture, Network Protocols, Wireless Networks, Network Performance Management, Network Planning And Design, Network Engineering, Network Infrastructure, Communication Systems, Telecommunications, Digital Signal Processing
★ 4.7 (22) · Intermediate · Course · 1 - 4 Weeks

Macquarie University
Skills you'll gain: Identity and Access Management, Cryptography, AWS Identity and Access Management (IAM), Data Security, Authentications, Threat Detection, Cybersecurity, Encryption, Network Security, Data Management, Azure Active Directory, Cyber Attacks, Cyber Security Strategy, Security Engineering, Security Management, Network Protocols, Okta, Cyber Risk, Computer Security, Security Awareness
★ 4.6 (24) · Intermediate · Specialization · 3 - 6 Months

Total Seminars
Skills you'll gain: Network Infrastructure, Virtual Networking, Network Architecture, Network Security, Virtualization and Virtual Machines, Wireless Networks, Network Troubleshooting, Virtualization, Virtual Machines, Network Performance Management, Network Administration, Network Planning And Design, Network Monitoring, Data Centers, Cloud Computing, Network Support, Networking Hardware, Security Controls, Cybersecurity, Technical Documentation
Intermediate · Course · 1 - 3 Months

Amazon Web Services
Skills you'll gain: Network Architecture, Network Planning And Design, Virtual Networking, Amazon Web Services, Wide Area Networks, Virtual Private Networks (VPN), Network Security, Hybrid Cloud Computing, Network Engineering, Cloud Computing Architecture, Network Infrastructure, General Networking, Cloud Infrastructure
★ 4.8 (10) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Digital Forensics, Cyber Threat Hunting, Incident Response, Cyber Threat Intelligence, Penetration Testing, Computer Security Incident Management, Threat Detection, MITRE ATT&CK Framework, Cryptography, Security Testing, Incident Management, Application Security, Encryption, Security Management, Cybersecurity, Vulnerability Scanning, Cyber Security Assessment, Brute-force attacks, Vulnerability Assessments, Security Awareness
★ 4.7 (4.6K) · Beginner · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Autoencoders, Recurrent Neural Networks (RNNs), Deep Learning, Artificial Neural Networks, Reinforcement Learning, Generative AI, Generative Adversarial Networks (GANs), Generative Model Architectures, Unsupervised Learning, Responsible AI, Data Ethics, Markov Model
★ 4 (7) · Intermediate · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Google Gemini, Gemini, Google Cloud Platform, Virtual Networking, Network Planning And Design, Prompt Engineering Tools, General Networking, Network Engineering, Network Architecture
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: OSI Models, Network Security, Cloud Services, TCP/IP, Cloud Computing, Cloud Infrastructure, Software-Defined Networking, Network Architecture, Virtual Networking, Wide Area Networks, Cloud Engineering, Network Protocols, Cloud Computing Architecture, Cloud Platforms, Linux Administration, Network Troubleshooting, Linux, Kubernetes, Network Switches, Terraform
★ 4.6 (138) · Intermediate · Specialization · 3 - 6 Months

ISC2
Skills you'll gain: System Configuration, Configuration Management, Cyber Operations, Cybersecurity, Security Awareness, Computer Security Awareness Training, Data Security, Security Controls, Security Management, Event Monitoring, Encryption, Network Security, Continuous Monitoring, Software Configuration Management, Network Administration, IT General Controls (ITGC), Cyber Security Policies, Information Technology Operations, System Monitoring, Cryptography
★ 4.7 (214) · Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Data Visualization, Network Analysis, Relational Databases, Data Presentation, Data Visualization Software, Social Network Analysis, Infographics, Network Model, Database Theory, Query Languages, Data Analysis, Data Manipulation, Social Impact, Human Factors, Innovation
Intermediate · Course · 1 - 4 Weeks

ISC2
Skills you'll gain: Security Controls, Governance, Cybersecurity, Information Assurance, Risk Management Framework, Cyber Security Policies, Cyber Governance, Security Management, Data Ethics, Cyber Risk, Data Governance, Security Awareness
★ 4.7 (677) · Beginner · Course · 1 - 3 Months

Politecnico di Milano
Skills you'll gain: Developing Training Materials, Educational Materials, Classroom Management, Course Development, Blended Learning, Teaching, Instructional and Curriculum Design, Interactive Learning, Instructional Design, Instructional Strategies, Innovation, Pedagogy, Knowledge Transfer, Student Engagement, Resource Utilization, Network Planning And Design, Infographics
Beginner · Course · 1 - 4 Weeks