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.

DeepLearning.AI
Skills you'll gain: Market Opportunities, AI Product Strategy, Responsible AI, Technical Management, AI Enablement, Artificial Intelligence and Machine Learning (AI/ML), Data Ethics, Artificial Intelligence, Applied Machine Learning, AI literacy, Data Science, Artificial Neural Networks, Machine Learning, Discussion Facilitation, Deep Learning, Recruitment, Sales
Beginner · Course · 1 - 4 Weeks

Rutgers the State University of New Jersey
Skills you'll gain: Social Media Strategy, Social Media Campaigns, Social Media Marketing, Content Marketing, Marketing Effectiveness, Marketing Strategies, Campaign Management, Marketing Communications, Return On Investment, Key Performance Indicators (KPIs), Driving engagement, Social Media Analytics, Content Strategy, Stakeholder Engagement, Marketing Budgets, Brand Awareness, Marketing Analytics, Presentations, Digital Marketing Tools, Target Audience
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Financial Market, Financial Systems, Finance, Capital Markets, General Finance, Financial Statements, Financial Management, Financial Statement Analysis, Financial Analysis, Financial Accounting, Equities, Financial Trading, Corporate Finance, Investments, Market Liquidity, Cash Flows, Balance Sheet, Income Statement, Securities Trading, Loans
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: TCP/IP, Network Protocols, Network Monitoring, OSI Models, Network Troubleshooting, Network Security, Web Servers, Network Analysis
Beginner · Guided Project · Less Than 2 Hours

LearnQuest
Skills you'll gain: Java, Software Development Tools, Application Servers, Web Applications, Development Environment, Java Programming, Java Platform Enterprise Edition (J2EE), Application Development, Program Development, Mobile Development, Computer Programming, UI Components, Event-Driven Programming, User Interface (UI), Command-Line Interface
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Social Media Campaigns, Social Media Marketing, Marketing Effectiveness, Marketing Analytics, Social Media Analytics, Advertising Campaigns, Digital Advertising, Data-Driven Marketing, Campaign Management, Data Analysis, Digital Marketing, Facebook, A/B Testing, Marketing Communications, Key Performance Indicators (KPIs), Return On Investment, Performance Reporting, Business Metrics, Presentations, Communication
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Cloud Storage, Data Storage, Hybrid Cloud Computing, Data Storage Technologies, Cloud Security, Cloud Computing, Cloud Infrastructure, Performance Tuning, Business Continuity Planning, Multi-Cloud, Business Continuity, Computer Networking, Disaster Recovery, Cloud Platforms, Virtual Private Networks (VPN), Load Balancing, Database Management, IBM Cloud, Architectural Design, Planning
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Model Context Protocol, AI Security, AI Integrations, Vector Databases, Agentic Workflows, Tool Calling, Databases, Generative AI Agents, Database Architecture and Administration, Data Access, Embeddings, Query Languages, SQL, Agentic systems
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Portfolio Risk, Portfolio Management, Risk Modeling, Investment Management, Financial Market, Risk Management, Market Liquidity, Risk Management Framework, Risk Analysis, Investments, Finance, Performance Measurement, Construction, Construction Management, Advanced Analytics, Budgeting, Performance Testing, Stress Management, Analytics, Design
Mixed · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: JUnit, Unit Testing, Software Testing, Test Case, Eclipse (Software), Test Tools, Test Data, Test Automation, Test Execution Engine, Integrated Development Environments, Java
Intermediate · Course · 1 - 4 Weeks
Johns Hopkins University
Skills you'll gain: Clinical Data Management, Data Quality, Quality Assurance, Clinical Trial Management Systems, Case Report Forms, Clinical Trials, Data Maintenance, Clinical Monitoring, Data Cleansing, Data Management, Data Integrity, Clinical Research, Microsoft Excel, Data Compilation, Data Collection, Data Sharing, Data Security, Treatment Planning, Statistical Analysis
Beginner · Course · 1 - 3 Months

Skills you'll gain: Supervised Learning, Model Optimization, PyTorch (Machine Learning Library), Fine-tuning, Generative Model Architectures, Convolutional Neural Networks, Recurrent Neural Networks (RNNs), Generative AI, Deep Learning, Model Training, Applied Machine Learning, Statistical Machine Learning, Classification And Regression Tree (CART), Autoencoders, Machine Learning Methods, Machine Learning Software, Machine Learning, MLOps (Machine Learning Operations), Machine Learning Algorithms, Artificial Intelligence and Machine Learning (AI/ML)
Intermediate · Specialization · 3 - 6 Months