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.

Skills you'll gain: Ggplot2, Data Visualization Software, Data Visualization, Statistical Visualization, Rmarkdown, Shiny (R Package), Dashboard, Leaflet (Software), Interactive Data Visualization, R Programming, Scatter Plots, Box Plots, Spatial Data Analysis, Histogram, Data Science, Data Analysis, User Interface (UI), UI Components
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Intercultural Competence, Healthcare Ethics, Cultural Diversity, Public Health and Disease Prevention, Stress Management, Safety Training, Preventative Care, Injury Prevention, Occupational Health, Public Health, Safety and Security, Ethical Standards And Conduct, Adaptability, Infectious Diseases, Emergency Response, Mental Health, Planning
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Hibernate (Java), Object-Relational Mapping, CI/CD, Spring Boot, Restful API, Java Programming, Integration Testing, Docker (Software), Database Development, Cloud Deployment, Application Security, Java, Containerization, SQL, Databases, Database Design, NoSQL, Kubernetes, Test Driven Development (TDD), Object Oriented Design
Beginner · Specialization · 1 - 3 Months

New York Institute of Finance
Skills you'll gain: Reinforcement Learning, Recurrent Neural Networks (RNNs), Financial Trading, Deep Learning, Portfolio Management, Artificial Intelligence and Machine Learning (AI/ML), Artificial Neural Networks, Applied Machine Learning, Markov Model, Portfolio Risk, Financial Market, Time Series Analysis and Forecasting, Risk Management
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Bash (Scripting Language), Scalability, Distributed Computing, Computer Systems, Big Data, Operating Systems, File Systems, Linux, Scripting, Command-Line Interface, Performance Tuning, Programming Principles
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Agentic systems, Responsible AI, Compliance Management, Governance, Regulatory Compliance, Artificial Intelligence, Risk Analysis, Case Studies, Business Ethics, Ethical Standards And Conduct, Risk Management, Accountability, Regulatory Requirements
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Network Protocols, Network Performance Management, Network Monitoring, Network Troubleshooting, Threat Detection, Network Analysis, TCP/IP, Web Servers, Intrusion Detection and Prevention, Network Security
Intermediate · Guided Project · Less Than 2 Hours

Michigan State University
Skills you'll gain: Journalism, Media and Communications, International Relations, Interviewing Skills, Ethical Standards And Conduct, Decision Making, Podcasting, Storytelling, Safety and Security, Content Creation, Digital Publishing, Diversity Awareness, Business Modeling
Beginner · Course · 1 - 3 Months

University of Maryland, College Park
Skills you'll gain: Application Security, Secure Coding, Vulnerability Assessments, Security Software, Security Testing, Cybersecurity, Collaborative Software, Threat Modeling, Debugging, Systems Design
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Test Script Development, Test Automation, Regression Testing, Continuous Integration, Performance Testing, CI/CD, Browser Compatibility, Test Execution Engine, GitLab, Debugging, Test Case, User Interface (UI), Scalability
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Excel, Pivot Tables And Charts, Excel Formulas, Spreadsheet Software, Business Reporting, Data Visualization, Excel Macros, Dashboard, Forecasting, Data Analysis, Data Visualization Software, Predictive Modeling, Data Validation, Productivity Software, Data Entry, Data Management, Financial Modeling, Data Security, Data Integrity, Computer Literacy
Beginner · Specialization · 1 - 3 Months
University of Colorado Boulder
Skills you'll gain: Social Media, Online Advertising, Digital Advertising, Social Media Marketing, Social Media Strategy, Social Media Campaigns, Advertising, Advertising Campaigns, Web Analytics, Content Performance Analysis, Facebook, Paid media, Instagram, Marketing Communications, Target Audience, Driving engagement, Business Ethics, Brand Awareness
Beginner · Course · 1 - 4 Weeks