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.

Arizona State University
Skills you'll gain: Supervised Learning, Unsupervised Learning, Matplotlib, File I/O, Generative Adversarial Networks (GANs), NumPy, Object Oriented Programming (OOP), Deep Learning, Image Analysis, Plot (Graphics), Machine Learning Algorithms, Object Oriented Design, Applied Machine Learning, Integrated Development Environments, Pandas (Python Package), Python Programming, Machine Learning, Event-Driven Programming, Programming Principles, Computer Programming
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Apache Maven, File I/O, Data Import/Export, Object Oriented Programming (OOP), JSON, Java Programming, Debugging, Object Oriented Design, JUnit, Software Documentation, Data Structures, Computer Programming, Restful API, Integrated Development Environments, Java, Programming Principles, Data Validation, Network Protocols, Unit Testing, Computer Science
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Sales Enablement, Sales Strategy, Lead Generation, Sales Training, Sales Process, Customer Relationship Management (CRM) Software, Sales Prospecting, Global Marketing, Data-Driven Decision-Making, Marketing Automation, Key Performance Indicators (KPIs), Digital Media Strategy, AI Personalization, Content Creation, Video Production
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: LangGraph, AI Orchestration, LangChain, LLM Application, Agentic Workflows, Generative AI Agents, MLOps (Machine Learning Operations), Context Management, Distributed Computing, Software Design Patterns
Intermediate · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Generative AI, Responsible AI, Generative Model Architectures, Prompt Engineering, Multimodal Prompts, MLOps (Machine Learning Operations), Generative Adversarial Networks (GANs), Data Ethics, AI Orchestration, AI Workflows, Model Deployment, Azure DevOps, Microsoft Azure, ChatGPT, AI Security, AI Enablement, Model Evaluation, CI/CD, Artificial Intelligence and Machine Learning (AI/ML), Python Programming
Intermediate · Professional Certificate · 3 - 6 Months

KodeKloud
Skills you'll gain: Docker (Software), Containerization, Kubernetes, Linux Commands, CI/CD, DevOps, YAML, Command-Line Interface, Data Storage, Computer Networking
Beginner · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: AI Enablement, Regulatory Requirements, Responsible AI, Compliance Management, Business Transformation, Risk Analysis, Regulation and Legal Compliance, Business Solutions, Cross-Functional Team Leadership, Key Performance Indicators (KPIs), Digital Transformation, Business Risk Management, Scalability, Risk Management, Culture Transformation, Cross-Functional Collaboration, Data-Driven Decision-Making, Employee Training
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Regression Analysis, Linear Algebra, R Programming, Data Science, Probability Distribution, Statistical Modeling, Mathematical Modeling, Probability & Statistics, Applied Mathematics, Statistical Analysis, Statistical Inference
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Reconciliation, QuickBooks (Accounting Software), Spreadsheet Software, Accounting Records, Investigation, Variance Analysis, Financial Statements, Accounts Payable, Financial Controls, Financial Auditing, Fraud detection, Analysis, Verification And Validation, Payment Processing
Beginner · Course · 1 - 4 Weeks

Università di Napoli Federico II
Skills you'll gain: Market Liquidity, Financial Market, Portfolio Management, Securities Trading, Investments, Securities (Finance), Equities, Portfolio Risk, Financial Trading, Capital Markets, Finance, Market Dynamics, Risk Analysis, Economics, Fixed Asset, Market Data, Derivatives, Technical Analysis, Statistical Methods, Financial Modeling
Intermediate · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: AI Orchestration, AI Workflows, LLM Application, Agentic systems, Tool Calling, LangChain, Artificial Intelligence, Prompt Engineering, Model Evaluation, Context Management, Scenario Testing, Performance Testing, Development Testing, Debugging
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Software-Defined Networking, Wide Area Networks, Virtual Networking, Network Architecture, Computer Networking, Virtual Private Networks (VPN), Network Routing, Network Security, Network Administration, Network Performance Management
Beginner · Course · 1 - 4 Weeks