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.

University of Colorado Boulder
Skills you'll gain: Rmarkdown, Ggplot2, R (Software), Plot (Graphics), Data Visualization, Tidyverse (R Package), Statistical Visualization, R Programming, Data Visualization Software, Statistical Programming, Data Manipulation, Data Analysis Software, Statistical Reporting, Data Analysis, Data Validation, Data Transformation, Code Reusability, Software Installation, Programming Principles, Aesthetics
Beginner · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Cloud Solutions, Cloud Computing, Cloud Hosting, Cloud Platforms, Hybrid Cloud Computing, Private Cloud, Application Performance Management, Data Storage Technologies, Data Security, DevOps
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Clinical Data Management, Microsoft Excel, Patient Safety, Health Information Management, Excel Formulas, Data Cleansing, Data Analysis, Medical Records, Data Transformation, Data Wrangling, Data Quality, Analytical Skills, Spreadsheet Software, Data Manipulation, Data Mapping, Hospital Admissions, Data Integrity, Data Integration
Beginner · Course · 1 - 4 Weeks

University of Maryland, College Park
Skills you'll gain: Closing (Sales), Sales Process, Sales Presentation, Technical Sales, Sales, Sales Development, Sales Management, Sales Strategy, Solution Sales Engineering, Prospecting and Qualification, Emerging Technologies, Needs Assessment, Negotiation, Proposal Development, Cloud Computing, Cybersecurity
Beginner · Course · 1 - 3 Months

Technical University of Munich (TUM)
Skills you'll gain: Cyber Governance, Cyber Security Policies, Safety Standards, Cybersecurity, Accident Prevention, Safety and Security, Medical Science and Research, Threat Management, Physical Science, Environmental Monitoring, Environmental Issue, Radiation Protection, Waste Minimization, Continuous Monitoring, General Medicine, Spatial Analysis, Risk Analysis, Physics, Mathematical Modeling
Intermediate · Course · 1 - 3 Months

University of California, Davis
Skills you'll gain: Prompt Engineering, Responsible AI, AI literacy, AI powered creativity, Anthropic Claude, Generative AI, Artificial Intelligence, Artificial Intelligence and Machine Learning (AI/ML), Data Ethics, OpenAI, LLM Application, Emerging Technologies, Deep Learning, Machine Learning
Beginner · Course · 1 - 4 Weeks

The Hong Kong University of Science and Technology
Skills you'll gain: White-Box Testing, Acceptance Testing, Software Development Methodologies, Configuration Management, Debugging, Systems Development Life Cycle, Software Development Life Cycle, Software Testing, Software Development, Software Engineering, Unified Modeling Language, Software Quality Assurance, Software Configuration Management, User Acceptance Testing (UAT), System Design and Implementation, Change Control, Test Case, Requirements Analysis, Waterfall Methodology, Project Management
Intermediate · Course · 1 - 3 Months

Illinois Tech
Skills you'll gain: Operating System Administration, Microsoft Windows, Operating Systems, System Configuration, Firewall, Linux Administration, Linux, System Monitoring, File Systems, System Support, Event Monitoring, Authorization (Computing), File Management, Network Security, Data Security
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Mammography, Model Evaluation, Model Training, Artificial Intelligence, Bayesian Network, Image Analysis, AI Product Strategy, Machine Learning Methods, Oncology, Artificial Neural Networks, Medical Imaging, Machine Learning, Applied Machine Learning, Deep Learning, Epidemiology
Intermediate · Course · 1 - 4 Weeks

Illinois Tech
Skills you'll gain: Javascript and jQuery, jQuery, Responsive Web Design, Web Development, Version Control, Web Design, Cascading Style Sheets (CSS), Web Design and Development, Hypertext Markup Language (HTML), HTML and CSS, Web Frameworks, GitHub, Web Applications, Javascript, Web Development Tools, Git (Version Control System), Infrastructure Architecture, Network Architecture, Network Infrastructure, Application Frameworks
Build toward a degree
Beginner · Course · 1 - 3 Months

Skills you'll gain: Generative AI, Fraud detection, Generative Model Architectures, AI Personalization, Financial Regulation, Law, Regulation, and Compliance, Regulatory Compliance, Predictive Analytics, Financial Services, Financial Regulations, AI Security, Personalized Service, Payroll Reporting, Financial Trading, Market Data, Retail Banking, Predictive Modeling, Financial Reporting, Prompt Engineering, FinTech
Beginner · Course · 1 - 4 Weeks

EDUCBA
Skills you'll gain: Internet Of Things, Advanced Analytics, Big Data, Data Management, Wireless Networks, Predictive Analytics, Applied Machine Learning, Analytics, Water Sustainability, Data-Driven Decision-Making, Sustainable Systems, Environmental Monitoring, Geospatial Information and Technology, Telecommunications, Sustainable Technologies, Machine Controls, Real Time Data, Automation, Data Analysis, Data Collection
Beginner · Course · 1 - 4 Weeks