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.

Johns Hopkins University
Skills you'll gain: Intrusion Detection and Prevention, Threat Detection, Endpoint Detection and Response, Distributed Denial-Of-Service (DDoS) Attacks, Threat Management, Anomaly Detection, Continuous Monitoring, System Monitoring, Virtual Machines, Network Security, Event Monitoring, Network Monitoring, Network Analysis
Intermediate · Course · 1 - 3 Months

University of California, Davis
Skills you'll gain: Simulations, Social Sciences, Systems Thinking, Agentic systems, Social Network Analysis, Model Evaluation, Sociology, Economics, Scientific Methods, Computer Programming
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Hardware Troubleshooting, Computer Networking, Network Protocols, Web Applications, Computer Security Awareness Training, Network Routers, Wireless Networks, Technical Support and Services, Encryption, Security Awareness, Computer Literacy, System Configuration, Microsoft Office, Authentications, Microsoft Windows, Peripheral Devices, Patch Management, Technical Support, Mac OS, Database Management
Beginner · Specialization · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Ggplot2, Data Visualization Software, Data Visualization, Datamaps, Visualization (Computer Graphics), Interactive Data Visualization, Scatter Plots, Histogram, Graphic and Visual Design, R Programming, Geospatial Mapping
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Google Ads, Bidding, Facebook, Keyword Research, Pay Per Click Advertising, Online Advertising, Campaign Management, Performance marketing, Advertising Campaigns, Social Media Campaigns, Pinterest, Search Engine Marketing, Social Media, Lead Generation, Marketing, Paid media, TikTok, Advertising, Social Media Marketing, Digital Advertising
Beginner · Specialization · 3 - 6 Months

Infosec
Skills you'll gain: Cyber Governance, Security Management, Information Systems Security, Cybersecurity, Governance, Cyber Security Strategy, Cyber Risk, Information Assurance, Leadership, Change Management, Business Leadership
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Linux, Package and Software Management, Linux Administration, Red Hat Enterprise Linux, Linux Commands, User Accounts, Operating System Administration, OS Process Management, Command-Line Interface, File Management, Unix Commands, Unix Shell, System Monitoring, Network Administration, General Networking, Firewall, Open Source Technology
Beginner · Course · 1 - 3 Months

Skills you'll gain: Agentic Workflows, Agentic systems, Contract Compliance, Organizational Change, Legal Technology, Change Management, Contract Review, AI Enablement, Compliance Reporting, Compliance Management, Workflow Management, Regulation and Legal Compliance, Scalability, Automation, Process Design, Risk Analysis
Intermediate · Course · 1 - 4 Weeks

Oracle
Skills you'll gain: Cloud Applications, Oracle Cloud, Application Development, Application Design, Oracle Databases, Authentications, Application Security, Authorization (Computing), UI Components, Data Import/Export, Interactive Data Visualization
Beginner · Course · 1 - 4 Weeks

Korea Advanced Institute of Science and Technology(KAIST)
Skills you'll gain: AI Enablement, Artificial Intelligence, Materials science, Artificial Neural Networks, Image Analysis, Computer Vision, Manufacturing Processes, Machine Learning, Process Control
Beginner · Course · 1 - 3 Months

Skills you'll gain: Target Audience, Generative AI, Social Media Marketing, Social Media, Social Media Content, AI Personalization, Social Media Strategy, MarTech, Content Creation, Digital Marketing
Beginner · Course · 1 - 4 Weeks

Institut Mines-Télécom
Skills you'll gain: Internet Of Things, Wireless Networks, Network Routing, Local Area Networks, Network Architecture, Network Protocols, Network Performance Management, Computer Networking, Telecommunications
Intermediate · Course · 1 - 3 Months