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.

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
Beginner · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Network Performance Management, Network Monitoring, Performance Tuning, Virtual Networking, Google Cloud Platform, Performance Testing, Network Troubleshooting, Network Analysis, Hardware Architecture, Intranet
Intermediate · Project · Less Than 2 Hours

John Wiley & Sons
Skills you'll gain: Application Security, Security Testing, Cyber Security Assessment, Secure Coding, Vulnerability Scanning, Vulnerability Assessments, Penetration Testing, Security Controls, Security Management, DevSecOps, Security Software, Cyber Operations, Continuous Monitoring, Information Systems Security, Cybersecurity, Information Technology Operations, Intrusion Detection and Prevention, Test Tools, Incident Response, Risk Management
Intermediate · Course · 1 - 3 Months

University of Maryland, College Park
Skills you'll gain: Hardware Design, Security Engineering, Computer Hardware, Hardware Architecture, Hardening, Computer Security, Threat Modeling, Threat Detection, Cybersecurity, Intrusion Detection and Prevention, Security Architecture Review, Application Specific Integrated Circuits, Cryptographic Protocols, Microarchitecture, Cryptography, Systems Design, Encryption, Exploitation techniques, Functional Design, Emerging Technologies
Mixed · Course · 1 - 3 Months

Skills you'll gain: Virtualization and Virtual Machines, Virtualization, Hardware Troubleshooting, Network Troubleshooting, Computer Hardware, Cloud Computing, Cloud Hosting, Technical Support and Services, Technical Support, General Networking, End User Training and Support, Peripheral Devices, Networking Hardware, System Configuration, Data Storage, Network Administration, Information Technology, Hardware Architecture, Data Storage Technologies, Configuration Management
Advanced · Course · 1 - 3 Months

Infosec
Skills you'll gain: Blockchain, Network Security, Application Security, Computer Security, Cryptography, Cryptographic Protocols, Secure Coding, Encryption, Vulnerability Assessments, Scalability, Distributed Computing, Data Integrity, Exploitation techniques, Transaction Processing, Algorithms
Beginner · Course · 1 - 3 Months

John Wiley & Sons
Skills you'll gain: Vulnerability Scanning, Incident Response, Vulnerability Assessments, Cloud Security, Threat Management, Endpoint Security, Cyber Threat Intelligence, Risk Management, Risk Management Framework, Incident Management, Vulnerability Management, Cyber Security Assessment, Intrusion Detection and Prevention, Threat Detection, Cloud Computing, Security Strategy, Cyber Security Strategy, Cybersecurity, Network Security, Cryptography
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Routing Protocols, Virtual Networking, Network Routing, Network Architecture, Hybrid Cloud Computing, Network Planning And Design, Amazon Web Services, Virtual Private Networks (VPN), General Networking, Network Infrastructure, Network Administration, Network Performance Management, Network Security, Cloud Infrastructure, Cloud Computing, Network Analysis, Security Controls, Operations Management
Intermediate · Course · 1 - 4 Weeks

Icahn School of Medicine at Mount Sinai
Skills you'll gain: Bioinformatics, Unsupervised Learning, Biology, Machine Learning Algorithms, Data Processing, Data Integration, Network Model, Life Sciences, Statistical Methods, Open Source Technology, Scientific Visualization, General Science and Research, Cell Biology, Unix Commands, Laboratory Research
Intermediate · Course · 1 - 3 Months

Infosec
Skills you'll gain: Authentications, Application Security, Secure Coding, Serverless Computing, Cryptography, Risk Management Framework, Cloud Security, Threat Management, Infrastructure Security, Exploitation techniques, Package and Software Management, Node.JS, Web Applications, Javascript, Vulnerability Management, Cloud Services, Cloud Platforms, Web Development, Identity and Access Management, Dependency Analysis
Intermediate · Specialization · 1 - 3 Months

University of California San Diego
Skills you'll gain: Social Network Analysis, Network Analysis, Peer Review, Graph Theory, Technical Communication, Data Structures, Data Presentation, Algorithms, Analysis
Mixed · Course · 1 - 3 Months

Cisco Learning and Certifications
Skills you'll gain: Postman API Platform, Restful API, Authentications, Application Programming Interface (API), Scripting, JSON, Extensible Languages and XML, IT Automation, Extensible Markup Language (XML), API Testing, Network Protocols, YAML, Network Monitoring, Automation, Network Engineering, Scripting Languages, Python Programming, Real Time Data
Intermediate · Course · 1 - 4 Weeks