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.

Scrimba
Skills you'll gain: Cloud Deployment, Cloud Applications, Application Deployment, API Gateway, OpenAI API, Model Deployment, Cloud Security, Application Programming Interface (API), AI Enablement, LLM Application, Web Servers, Application Performance Management, Distributed Computing, Debugging
Intermediate · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Security Management, Cyber Governance, IT Management, Cybersecurity, Cyber Security Strategy, Cyber Risk, Cyber Security Policies, Key Performance Indicators (KPIs), Leadership and Management, Technical Communication, Internal Communications, Leadership, Program Management, Risk Management, Communication, Stakeholder Communications
Beginner · Course · 1 - 4 Weeks

University of Virginia
Skills you'll gain: Design Thinking, Creative Problem-Solving, Ideation, Innovation, Creativity, Storytelling, Human Centered Design, Strategic Thinking, Data Visualization, Growth Mindedness, Test Tools, Entrepreneurship, Case Studies, Business Modeling, Peer Review
Beginner · Course · 1 - 3 Months

Microsoft
Skills you'll gain: AI Workflows, Agentic Workflows, AI Orchestration, AI Security, API Testing, System Testing, Test Script Development, Context Management, Health Informatics, Performance Testing, Functional Testing, Business Logic
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Power Automate/Flow, Email Automation, Verification And Validation, Document Management, Microsoft Excel, Data Import/Export, Staff Management, Intranet, Microsoft 365, Spreadsheet Software
Beginner · Guided Project · Less Than 2 Hours

Skillshare
Skills you'll gain: Adobe Illustrator, Color Theory, Creative Design, Graphic and Visual Design, Design Software, Data Import/Export, Typography, Logo Design, Graphic Design, Graphic and Visual Design Software, Graphical Tools, Adobe Creative Cloud, Design Elements And Principles, Layout Design, Scalability
Beginner · Specialization · 1 - 3 Months

Splunk Inc.
Skills you'll gain: Splunk, Correlation Analysis, Performance Tuning, Data Manipulation, Data Analysis, Data Modeling, Big Data, Transaction Processing, Data Science, Business Analytics, Data Visualization
Beginner · Course · 1 - 4 Weeks

Fundação Instituto de Administração
Skills you'll gain: Derivatives, Portfolio Management, Capital Markets, Financial Systems, Financial Market, Credit Risk, Risk Management, Investments, Equities, Financial Regulation, Market Liquidity, Financial Policy, Risk Analysis, Financial Analysis, Securities Trading, Financial Services, Financial Trading, Market Data, Financial Management, Wealth Management
Beginner · Specialization · 3 - 6 Months

University of Houston
Skills you'll gain: Value-Based Care, ICD Coding (ICD-9/ICD-10), Medical Coding, CPT Coding, Managed Care, Medical Billing, Payment Systems, Health Systems, Patient Safety, Health Policy, Health Care, Medicare, Risk Management, Health Education, Public Health
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Application Security, Information Management, Security Controls, Configuration Management, Security Engineering, Vulnerability Assessments, Security Requirements Analysis, Cloud Security, Software Development Life Cycle, Cloud Computing, System Implementation, Program Development, Change Control
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Photo Editing, Facebook, Digital Advertising, Graphic Design, Marketing Design, Social Media Content, Social Media Marketing, Advertising, Social Media, Dashboard, Marketing, User Accounts, Business
Beginner · Guided Project · Less Than 2 Hours

Sungkyunkwan University
Skills you'll gain: Recurrent Neural Networks (RNNs), Convolutional Neural Networks, Image Analysis, Artificial Neural Networks, Natural Language Processing, Deep Learning, Computer Vision, Artificial Intelligence and Machine Learning (AI/ML), Machine Learning
Beginner · Course · 1 - 3 Months