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: Cyber Security Assessment, Cybersecurity, Security Testing, Computer Security Incident Management, Incident Response, Security Controls, Network Security, Encryption
Intermediate · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: JUnit, Unit Testing, Test Case, Test Data, Test Script Development, Test Automation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Quality Management, Backlogs, Project Closure, Project Planning, Team Leadership, Project Management Life Cycle, Agile Project Management, Communication Planning, Continuous Improvement Process, Process Improvement, Project Management, Budget Management, Stakeholder Analysis, Change Control, Project Controls, Scope Management, Project Schedules, Agile Methodology, Requirements Analysis, Change Management
Beginner · Professional Certificate · 3 - 6 Months

LearnQuest
Skills you'll gain: Stored Procedure, PL/SQL, SQL, Database Management, Data Access, Databases, Database Systems, Java, Java Programming, JUnit
Beginner · Course · 1 - 4 Weeks

Columbia University
Skills you'll gain: Portfolio Management, Derivatives, Financial Market, Securities (Finance), Investment Management, Portfolio Risk, Asset Management, Credit Risk, Mortgage Loans, Mathematical Modeling, Applied Mathematics, Capital Markets, Financial Modeling, Risk Modeling, Regression Analysis, Market Liquidity, Futures Exchange, Risk Management, Equities, Actuarial Science
Intermediate · Specialization · 3 - 6 Months

Eindhoven University of Technology
Skills you'll gain: Statistical Inference, Scientific Methods, Statistical Hypothesis Testing, Quantitative Research, Bayesian Statistics, Statistical Analysis, Probability & Statistics, Sample Size Determination, Research, R Programming, Data Sharing
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Open Shortest Path First (OSPF), Virtual Local Area Network (VLAN), OSI Models, Wide Area Networks, Network Troubleshooting, TCP/IP, Wireless Networks, Cloud Computing, Network Routing, Routing Protocols, Network Security, Network Monitoring, Event Monitoring, Threat Detection, Network Performance Management, Network Switches, Network Planning And Design, Network Administration, Network Protocols, Software-Defined Networking
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Marketing Analytics, Video Production, Social Media Marketing, Business Marketing, Marketing Channel, Customer Engagement, Gmail, Target Audience, Content Creation
Beginner · Guided Project · Less Than 2 Hours

Erasmus University Rotterdam
Skills you'll gain: Sustainable Development, Sustainable Business, Corporate Sustainability, Environmental Social And Corporate Governance (ESG), Sustainability Reporting, Social Impact, Business Ethics, Environmental Issue, Systems Thinking, Strategic Partnership, Entrepreneurship, Innovation, Collaboration, Climate Change Mitigation, Complex Problem Solving
Beginner · Course · 1 - 3 Months

Infosec
Skills you'll gain: Penetration Testing, Cyber Security Policies, Linux Commands, Cyber Security Assessment, Command-Line Interface, Cybersecurity, Cloud Computing, Linux, Risk Management Framework, Operating System Administration, Network Monitoring, Security Management, Operating Systems, Cyber Risk, Cloud Services, Threat Management, General Networking, Windows PowerShell, Cyber Governance, Unix Commands
Beginner · Specialization · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Shiny (R Package), Rmarkdown, Plotly, Interactive Data Visualization, Data Presentation, Data Visualization Software, R Programming, Data Mapping, Statistical Reporting, Software Documentation, Web Applications, Package and Software Management
Mixed · Course · 1 - 3 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Cash Flows, Financial Statements, Financial Accounting, Depreciation, Fixed Asset, Equities, Financial Analysis, Financial Reporting, Balance Sheet, Accrual Accounting, Market Liquidity, Loans
Build toward a degree
Intermediate · Course · 1 - 4 Weeks