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: Scenario Testing, Test Planning, Unit Testing, Functional Testing, Debugging, Hardware Troubleshooting
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Agentic Workflows, AI Personalization, Agentic systems, Sales Training, Competitive Intelligence, Sales Management, Generative AI Agents, Sales Strategy, Sales, Personalized Campaigns, Customer Analysis, Customer Relationship Management (CRM) Software, Sales Process, Customer Relationship Management, Real Time Data, Proposal Writing, Automation, Customer Insights, Proposal Development
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Overcoming Objections, Closing (Sales), Sales, Sales Strategy, Sales Process, Selling Techniques, Negotiation, Customer Success Management, Regional Sales, Marketing Automation, Customer Relationship Building, Customer Relationship Management, Customer Retention, Customer Engagement, Customer experience improvement, Personalized Service, Legal Technology, Contract Management, Document Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Canva (Software), Logo Design, Video Production, Graphic and Visual Design Software, Graphic and Visual Design, Content Creation, Graphic Design, Creative Design, Content Marketing, Social Media Marketing, Social Media, Digital Marketing
★ 4.3 (18) · Beginner · Guided Project · Less Than 2 Hours

Arizona State University
Skills you'll gain: Supervised Learning, Unsupervised Learning, Generative Adversarial Networks (GANs), Generative AI, Model Training, Deep Learning, Image Analysis, Machine Learning Methods, Machine Learning Algorithms, Applied Machine Learning, Python Programming, Machine Learning, Generative Model Architectures, Artificial Neural Networks, Model Evaluation, Data Processing, Classification Algorithms, Computer Vision, Computer Programming, Regression Analysis
★ 3.7 (28) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: API Testing, Integration Testing, Continuous Deployment, Microservices, Software Versioning, Test Script Development, Continuous Integration, Test Automation, CI/CD, API Design, Verification And Validation
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Facebook, Corporate Communications, Customer Insights, Social Media Marketing, Social Media Analytics, Communication Planning, Marketing Effectiveness, Marketing Analytics, Data-Driven Marketing, Social Media, Content Performance Analysis, Marketing Strategies, Marketing, Web Presence, Target Audience, Research
★ 4.7 (49) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: C# (Programming Language), Software Architecture, .NET Framework, Object Oriented Design, Distributed Computing, Scalability, Object Oriented Programming (OOP), Software Design, Object-Relational Mapping, Microservices, MongoDB, Data Access, Model View Controller, Performance Tuning, Computer Programming, Maintainability, NoSQL, Event-Driven Programming
★ 4.5 (103) · Intermediate · Course · 1 - 4 Weeks

O.P. Jindal Global University
Skills you'll gain: Digital Marketing, Web Analytics, Digital Advertising, Search Engine Marketing, Digital Marketing Campaigns, Digital Analysis, Online Advertising, Digital Marketing Tools, Google Analytics, Search Engine Optimization, Web Analytics and SEO, Google Ads, Marketing Channel, Social Media Marketing, Marketing Strategies, MarTech, Marketing Planning, Paid media, Marketing Analytics, Social Media Campaigns
★ 4.2 (13) · Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Time Series Analysis and Forecasting, SQL, Analytical Skills, Analysis
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Social Media, Social Media Strategy, Social Media Marketing, Social Media Management, Social Media Analytics, Customer Engagement, Market Trend, Case Studies, Business Strategy, Customer Insights, Brand Management, Digital Marketing Tools, Strategic Thinking, Web Presence, Strategic Decision-Making, Trend Analysis, Analytical Skills, Continuous Monitoring
★ 4.9 (16) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Relational Databases, Database Architecture and Administration, Database Systems, Database Development, Dependency Analysis
Beginner · Course · 1 - 4 Weeks