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.

Simplilearn
Skills you'll gain: Marketing Strategies, Data-Driven Marketing, Marketing Effectiveness, Email Marketing, Marketing Analytics, Digital Marketing, Driving engagement, Customer Relationship Management, Digital Advertising, Online Advertising, Google Ads, Social Media Marketing, Cross-Channel Marketing, Target Market, Personalized Campaigns, Data Collection
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Computer Vision, Image Analysis, Artificial Neural Networks, Convolutional Neural Networks, Artificial Intelligence and Machine Learning (AI/ML), Machine Learning Methods, Network Model, Psychology
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Incident Response, Business Continuity Planning, Disaster Recovery, Business Continuity, Contingency Planning, Cyber Threat Intelligence, Threat Detection, Crisis Management, Cyber Attacks, Security Awareness, Regulatory Compliance, Risk Analysis, Compliance Management, Regulatory Requirements, Business Analysis, Digital Forensics
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Nursing Management, Clinical Leadership, Nursing Practices, Professional Development, Nursing Administration, Teamwork, Team Collaboration, Leadership, Initiative and Leadership, Patient Coordination, Care Coordination, Collaboration, Communication Strategies, Trustworthiness, Patient Safety, Communication, Verbal Communication Skills, Resilience
Intermediate · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Linux Administration, Version Control, Linux, Git (Version Control System), Linux Commands, Network Troubleshooting, Unix, Operating System Administration, Bash (Scripting Language), Systems Administration, Scripting, User Provisioning, Shell Script, User Accounts, Software Versioning, System Configuration, Unix Shell, Scripting Languages, Package and Software Management, Network Administration
Intermediate · Course · 1 - 3 Months

Arizona State University
Skills you'll gain: Semiconductors, Electronics Engineering, Electronics, Electronic Hardware, Hardware Architecture, Thermal Management, Scalability, Interoperability, Systems Integration, Technology Roadmaps, Manufacturing Processes, Technical Standard
Beginner · Course · 1 - 3 Months

Fred Hutchinson Cancer Center
Skills you'll gain: Bioinformatics, Data Analysis Software, Data Processing, Data Analysis, Data Literacy, Metadata Management, R Programming
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Statistical Modeling, R Programming, Statistical Analysis, Statistical Programming, Data Analysis, R (Software), Data Science, Data Ethics, Statistical Software, Statistical Methods, Regression Analysis, Predictive Modeling, Machine Learning, Logistic Regression, Probability & Statistics, Statistical Inference, Model Evaluation, Probability Distribution, Linear Algebra, Calculus
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Windows PowerShell, Active Directory, Scripting, IT Automation, Network Monitoring, Scripting Languages, Microsoft Windows, Windows Servers, Shell Script, User Accounts, Microsoft Servers, Command-Line Interface, Network Administration, Remote Access Systems, Servers, Systems Administration, User Interface (UI), UI Components, Server Administration, Authentications
Beginner · Specialization · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Test Automation, Performance Testing, Software Testing, API Testing, Test Script Development, Security Testing, Continuous Integration, Test Tools, AI Security, CI/CD, Performance Stress Testing, Regression Testing, AI Integrations, Scalability, Automation, Test Case, Application Programming Interface (API)
Beginner · Course · 1 - 3 Months

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

LearnQuest
Skills you'll gain: Microservices, Spring Boot, Software Architecture, API Gateway, Spring Framework, Cloud-Native Computing, Service Oriented Architecture, Load Balancing, Systems Architecture, Cloud Computing, Software Design Patterns, Scalability, Restful API, Service Management, Network Routing
Intermediate · Course · 1 - 4 Weeks