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.

University of Colorado Boulder
Skills you'll gain: Computer Vision, Image Analysis, Artificial Neural Networks, Convolutional Neural Networks, Artificial Intelligence and Machine Learning (AI/ML), Machine Learning Methods, Computational Thinking, Psychology, Human Factors
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Sprint Retrospectives, Timelines, Project Schedules, Workflow Management, Campaign Management, Project Management, Project Management Software, Marketing Effectiveness, Organizational Skills, Digital Marketing Campaigns, Sprint Planning, Process Management, Project Planning, Agile Methodology, Process Improvement, Performance Analysis
Beginner · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Responsive Web Design, Cascading Style Sheets (CSS), Data Persistence, Event-Driven Programming, HTML and CSS, Web Applications, Front-End Web Development, Semantic Web, Javascript, Browser Compatibility, Secure Coding, Web Content Accessibility Guidelines, Data Storage Technologies, Application Security, Data Validation, Data Management
Beginner · Course · 1 - 3 Months

Skills you'll gain: Google Analytics, Web Analytics, Marketing Analytics, Data-Driven Marketing, Cross-Channel Marketing, Customer Analysis, Target Audience, Conversion Funnel Analysis, Digital Analysis, Marketing Effectiveness, Digital Marketing Campaigns, Campaign Management, Data Presentation, Analytics, Performance Measurement, Advertising Campaigns, Marketing Channel, Marketing Strategies, Consumer Behaviour, Budget Management
Beginner · Course · 1 - 4 Weeks
LearnQuest
Skills you'll gain: Closing (Sales), Sales Prospecting, Selling Techniques, Overcoming Objections, Sales, Prospecting and Qualification, Sales Process, Sales Development, Sales Strategy, Sales Enablement, Sales Management, Sales Pipelines, Customer Relationship Management (CRM) Software, Sales Operations, Lead Generation, Digital Brand Strategy, Negotiation, Business Ethics, Marketing Automation, Demand Generation
Beginner · Course · 1 - 4 Weeks

Pragmatic AI Labs
Skills you'll gain: Data Pipelines, Extract, Transform, Load, Data Lakes, Databricks, Data Architecture, Data Processing, Data Wrangling, Data Strategy, Data Presentation, Data Mining, Data Management, Data Governance, Data Integrity, Data Science, Live Streaming, SQL, Data Storage, Data Ethics, Data Security, Apache
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Fine-tuning, Natural Language Processing, Model Training, Data Wrangling, Data Pipelines
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Risk Analysis, Data-Driven Decision-Making, Strategic Decision-Making, Decision Intelligence, Decision Making, Data Analysis, Risk Management, Analytics, Risk Appetite, Complex Problem Solving, Strategic Thinking, Organizational Strategy, Microsoft Excel, Probability, Quantitative Research
Intermediate · 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

Peking University
Skills you'll gain: Algorithms, Pseudocode, Theoretical Computer Science, Mathematical Modeling, Combinatorics, Computational Thinking, Applied Mathematics, Graph Theory, Mathematical Theory & Analysis, Network Routing, Bioinformatics, Design Strategies, Model Optimization
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Process Improvement and Optimization, Dashboard, Process Optimization, Power BI, Stakeholder Communications, Dashboard Creation, Management Reporting, Financial Data, Financial Analysis, Process Improvement, Financial Acumen, Stakeholder Engagement, Business Metrics, Data Presentation, Business Reporting, Presentations, Data-Driven Decision-Making, Performance Reporting, Business Intelligence Software, Data Integration
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Email Marketing, Marketing Analytics, Target Audience, Performance Analysis, Data-Driven Marketing, Return On Investment, Customer Analysis, Marketing Effectiveness, Performance Review, Marketing Strategy and Techniques, Strategic Marketing, Data Integration, Lead Generation, Customer Engagement, Consumer Behaviour, Continuous Improvement Process
Beginner · Course · 1 - 4 Weeks