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.

Johns Hopkins University
Skills you'll gain: Package and Software Management, Code Review, Open Source Technology, Code Reusability, GitHub, Scientific Methods, Software Documentation, Science and Research, Technical Documentation, Informatics, Software Versioning, R (Software), Data Analysis, Programming Principles, R Programming, Git (Version Control System), Integrated Development Environments
Intermediate · Course · 1 - 3 Months

Universitat Autònoma de Barcelona
Skills you'll gain: International Relations, Diplomacy, Political Sciences, World History, Economic Development, Public Safety and National Security, Security Strategy, Economics, Policy Analysis
★ 4.7 (10) · Beginner · Course · 1 - 3 Months

Skills you'll gain: AI Personalization, Personalized Service, Customer Analysis, Customer Engagement, Customer experience strategy (CX), Customer Insights, Driving engagement, Customer Service, Ethical Standards And Conduct, Customer Retention, Operational Efficiency, Predictive Modeling, Continuous Monitoring
★ 4.4 (7) · Beginner · Course · 1 - 3 Months

Skills you'll gain: ASP.NET, .NET Framework, Software Design Patterns, Software Design, Maintainability, Software Architecture, Object Oriented Design, C# (Programming Language), Microsoft Visual Studio, Application Programming Interface (API), UI Components, API Design, Application Frameworks, Restful API, Development Testing, User Interface (UI), Object-Relational Mapping, Debugging, Unit Testing, Web Design and Development
Intermediate · Course · 1 - 3 Months

EDUCBA
Skills you'll gain: Web Frameworks, Authentications, Application Frameworks, Web Applications, Web Development, Python Programming, Back-End Web Development, Unit Testing, Authorization (Computing), Identity and Access Management, Development Testing, Functional Testing, White-Box Testing, Application Security, Configuration Management, File Management
★ 4.7 (21) · Advanced · Course · 1 - 3 Months
Skills you'll gain: API Design, Application Programming Interface (API), Cloud API, AI Security, Cloud Management, Security Controls, Application Performance Management, Load Balancing, Incident Response, MLOps (Machine Learning Operations), GitHub, Python Programming, Machine Learning
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: TikTok, Content Strategy, Social Media Content, Content Optimization, Content Performance Analysis, Driving engagement, Content Creation, Social Media Analytics, Drive Engagement, Social Media Marketing, AI Personalization, Social Media Strategy
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Kubernetes, Network Troubleshooting, Authentications, Debugging, Event Monitoring, System Monitoring, Application Programming Interface (API)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Power BI, Data Analysis Expressions (DAX), Data Transformation, Business Intelligence, Data Modeling, Interactive Data Visualization, Data Manipulation, Business Intelligence Software, Dashboard, Data Wrangling, Data Visualization Software, Microsoft Excel, Dashboard Creation, Data Presentation, Data Sharing, Performance Reporting, Data Integration, Data Import/Export
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Technical Support and Services, Electrical Safety, Desktop Support, Technical Documentation, Problem Management, Safety and Security, Technical Support, Hardware Troubleshooting, Help Desk Support
Beginner · Course · 1 - 4 Weeks

Northwestern University
Skills you'll gain: Social Media, Social Media Marketing, Social Media Strategy, Social Media Management, Social Media Analytics, Digital Transformation, Marketing, Customer Relationship Building, Customer Engagement, Market Dynamics, Consumer Behaviour, Driving engagement, Drive Engagement, Stakeholder Engagement, Integrated Marketing Communications, Target Audience, Peer Review
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Capital Markets, Investment Banking, Market Liquidity, Private Equity, Equities, Securities (Finance), Financial Market, Bidding, Business Valuation, Underwriting, Market Dynamics, Due Diligence, Financial Regulation, Regulatory Requirements
★ 4.8 (16) · Mixed · Course · 1 - 4 Weeks