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.

Lund University
Skills you'll gain: Business Modeling, Digital Transformation, Digital Analysis, Software As A Service, Innovation, Software Development, Network Analysis, Business Strategy, Business Strategies, E-Commerce, Value Propositions, Decision Making, Case Studies
Beginner · Course · 1 - 3 Months

Skills you'll gain: Canva (Software), Social Media Content, Social Media Marketing, Social Media, Style Guides, Marketing Design, Marketing Materials, Content Creation, Graphic Design, Color Matching, Dashboard, Graphic and Visual Design, Design Elements And Principles, Branding, Design Software, Marketing
Beginner · Guided Project · Less Than 2 Hours

LearnQuest
Skills you'll gain: JUnit, Unit Testing, Software Testing, Test Tools, Java
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: MITRE ATT&CK Framework, Cybersecurity, Cyber Operations, Exploitation techniques, IT Automation, Scripting, Python Programming, Scripting Languages
Intermediate · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Loans, FinTech, General Lending, Key Management, Cryptography, Cryptographic Protocols, Digital Assets, Market Liquidity, Financial Trading, Finance, Transaction Processing, Public Key Infrastructure, Asset Protection, Supply Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: File I/O, Unified Modeling Language, Visual Basic (Programming Language), Object Oriented Programming (OOP), Microsoft Visual Studio, Object Oriented Design, Program Development, Microsoft Development Tools, .NET Framework, Code Reusability, Software Engineering, Data Structures
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: User Story, Business Requirements, Requirements Analysis, Requirements Elicitation, Business Analysis, User Requirements Documents, Gap Analysis, Requirements Management, Project Documentation, Functional Specification, Diagram Design, Needs Assessment, Data Visualization
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Culture Transformation, Organizational Change, People Analytics, Diversity Equity and Inclusion Initiatives, Human Resources, Business Transformation, Change Management, Organizational Development, Human Capital, Human Resource Strategy, Human Resources Management and Planning, Strategic Leadership, Data-Driven Decision-Making, Diversity and Inclusion, Workplace inclusivity, Organizational Effectiveness, Business Analytics, Organizational Strategy, Predictive Analytics, Performance Management
Intermediate · Course · 1 - 4 Weeks

Yale University
Skills you'll gain: Land Management, Environmental Science, Sustainable Systems, Sustainable Development, Natural Resource Management, Environmental Engineering and Restoration, Environmental Resource Management, Environment and Resource Management, Philanthropy, Social Studies, Climate Change Mitigation, Finance
Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Biostatistics, Bioinformatics, Exploratory Data Analysis, Statistical Analysis, Statistical Methods, Statistical Hypothesis Testing, Statistical Modeling, Statistics, R Programming, Probability & Statistics, Data Preprocessing, Data Analysis, Statistical Inference, Regression Analysis, Data Pipelines, Logistic Regression, Analysis
Mixed · Course · 1 - 4 Weeks

Yale University
Skills you'll gain: Court Systems, Political Sciences, Public Safety and National Security, Social Studies, Social Justice, Law, Regulation, and Compliance, Policy Analysis, Public Policies, Economics, Policy, and Social Studies, Governance, Public History
Mixed · Course · 3 - 6 Months

Board Infinity
Skills you'll gain: Test Automation, Performance Testing, Systems Development Life Cycle, Software Quality Assurance, White-Box Testing, API Testing, Test Script Development, AI Security, Software Quality (SQA/SQC), Performance Stress Testing, Software Development Methodologies, Regression Testing, User Acceptance Testing (UAT), AI Integrations, Maintainability, Code Review, Scalability, Automation, Code Coverage, Security Testing
Beginner · Specialization · 3 - 6 Months