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: Backlogs, Workflow Management, Test Automation, Business Process Automation, Slack (Software), Automation, Process Improvement, Project Management Software, No-Code Development, Kanban Principles, Agile Project Management, Maintainability, Governance, Project Documentation
Beginner · Course · 1 - 3 Months

Skills you'll gain: COBOL (Programming Language), Debugging, z/OS, Unit Testing, Test Driven Development (TDD), Software Testing, Mainframe Computing, Integrated Development Environments, Computer Programming Tools, File I/O
Beginner · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Software-Defined Networking, Network Security, Infrastructure Security, Computer Networking, Local Area Networks, Network Architecture, Network Infrastructure, Wide Area Networks, Enterprise Architecture, Network Performance Management, Scalability
Beginner · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: CI/CD, Cascading Style Sheets (CSS), GitHub, C# (Programming Language), HTML and CSS, Azure DevOps, Load Balancing, Continuous Integration, Git (Version Control System), Role-Based Access Control (RBAC), Scalability, Object Oriented Programming (OOP), Authentications, ASP.NET, Full-Stack Web Development, Web Development, SQL, Microsoft Copilot, .NET Framework, Graph Theory
Beginner · Professional Certificate · 3 - 6 Months

Coursera
Skills you'll gain: Marketing Effectiveness, Marketing Analytics, Digital Advertising, Marketing Channel, Digital Marketing, Social Media Marketing, Google Analytics, Content Marketing, Email Marketing, Marketing Budgets, Performance Measurement, Search Engine Marketing, Marketing, Brand Awareness, digital literacy, Communication Systems, Devops Tools, Communication
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Mining, Data Cleansing, Transaction Processing, Predictive Analytics, Customer Analysis, Unsupervised Learning, Data Preprocessing, R Programming, Data Analysis, Market Analysis, Data Wrangling, Data Transformation, Data Manipulation, Interactive Data Visualization, Statistical Visualization, Consumer Behaviour, Performance Tuning, Cross Selling
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Sales Territory Management, Enterprise Sales, Cold Calling, Lead Generation, Selling Techniques, Sales Training, B2B Sales, Sales Management, Sales, AI Personalization, Responsible AI, Sales Prospecting, Sales Enablement, Consultative Selling, Generative AI Agents, Sales Pipelines, Customer Relationship Management, Business Process, Business Strategy, Customer Engagement
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Financial Market, Risk Mitigation, Cash Management, Capital Markets, Financial Analysis, Financial Systems, Market Liquidity, Financial Trading, Analysis, Risk Management, Risk Management Framework, Risk Modeling, Market Data, Lending and Underwriting, Market Trend, Investment Banking, Investment Management, Fixed Asset, Return On Investment, Portfolio Risk
Beginner · Specialization · 1 - 3 Months

Board Infinity
Skills you'll gain: Logo Design, Typography, Canva (Software), Style Guides, Brand Strategy, Branding, Graphic and Visual Design, Scalability, Marketing Design, Color Theory, Brand Management, Presentations, Design Elements And Principles, AI Enablement, Auditing, Asset Management
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Go (Programming Language), Web Servers, JSON, Restful API, User Interface (UI), Web Applications, Server Side, Web Development, Full-Stack Web Development, Debugging, API Design, Scalability, Data Structures, Hypertext Markup Language (HTML), Cascading Style Sheets (CSS)
Beginner · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Generative AI, OpenAI, Data Pipelines, Data Preprocessing, Deep Learning, Scalability, Artificial Intelligence, Model Evaluation, Natural Language Processing, Machine Learning, Data Science
Advanced · Course · 1 - 3 Months

Skills you'll gain: Feature Engineering, Decision Tree Learning, Supervised Learning, Machine Learning, Machine Learning Algorithms, Unsupervised Learning, Random Forest Algorithm, Predictive Modeling, Model Evaluation, Bayesian Network, Python Programming, Statistical Modeling, Performance Tuning, Classification Algorithms
Advanced · Course · 1 - 3 Months