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: Statistical Hypothesis Testing, Correlation Analysis, Statistical Analysis, Statistical Software, Statistical Programming, Statistical Methods, Probability & Statistics, Statistical Visualization, Analytics, Data Analysis Software, Data Analysis, R (Software), Business Analytics, Data Visualization, R Programming, Statistics, Statistical Inference, Variance Analysis, Descriptive Statistics, Sampling (Statistics)
★ 4.8 (32) · Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: ESXi Installation, vSphere Networking and Storage, Virtual Networking, vCenter Server Management, vSphere DRS & HA, Role-Based Access Control (RBAC), Performance Tuning, vSAN ESA, vCenter Server, Virtual Machines, Disaster Recovery, Storage vMotion, VMware ESX Servers, iSCSI Configuration, VMware vSAN, Event Monitoring, Data Centers, Network Switches, Virtualization and Virtual Machines, Virtualization
Intermediate · Specialization · 1 - 3 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Real Estate, Investments, Risk Management, Portfolio Management, Portfolio Risk, Investment Management, Wealth Management, Market Liquidity, Balance Sheet, Business Valuation, Return On Investment, Financial Statements, Financial Analysis, Financial Planning
Intermediate · Course · 1 - 4 Weeks

Fractal Analytics
Skills you'll gain: Generative AI, Generative AI Agents, Retrieval-Augmented Generation, Enterprise Architecture, Metadata Management, Data Science, Machine Learning
★ 4.9 (7) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Audit Planning, Enterprise Architecture, Internal Auditing, Compliance Management, Regulatory Compliance, Risk Control, Quality Assurance, Training Records Management, Quality Management
★ 4.6 (10) · Intermediate · Course · 1 - 4 Weeks
Coursera
Skills you'll gain: electromagnetics, Electrical Engineering, Hardware Design, Electronics Engineering, Electronics, Verification And Validation, Communication Systems, Wireless Networks, Telecommunications, Engineering Design Process, Simulation and Simulation Software, Simulations, Workflow Management, Radiation Protection, Network Troubleshooting, Business Workflow Analysis
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Malware Protection, Network Security, Information Systems Security, Security Controls, Cybersecurity, Data Security, Mobile Security, Security Software, Infrastructure Security, Security Awareness, Computer Security Awareness Training, Wireless Networks, Endpoint Security, Data Loss Prevention, Firewall, Authentications, Human Factors (Security), Cryptographic Protocols, Encryption, Active Directory
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Project Controls, Project Performance, Issue Tracking, Project Management Software, Stakeholder Engagement, Stakeholder Management, Real Time Data, Stakeholder Communications, Collaborative Software
Beginner · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: Rust (Programming Language), Memory Management, Application Programming Interface (API), Server Side, Code Reusability, Back-End Web Development, System Programming, Web Frameworks, Web Development, Other Programming Languages, Web Servers, Software Documentation, Scalability, Integrated Development Environments, Build Tools, Data Analysis, Maintainability, Network Protocols, Application Development
★ 3.7 (28) · Intermediate · Specialization · 1 - 3 Months

University of California, Davis
Skills you'll gain: Digital Transformation, AI Personalization, Blockchain, digital literacy, Data Ethics, Emerging Technologies, FinTech, Artificial Intelligence, Digital Assets, Responsible AI, Artificial Neural Networks, Social Media, Driving engagement, Deep Learning, Simulation and Simulation Software, Persuasive Communication, Intellectual Property, Machine Learning, Algorithms, Decision Making
★ 4.7 (19) · Beginner · Course · 1 - 4 Weeks

John Wiley & Sons
Skills you'll gain: Business Valuation, Financial Forecasting, Forecasting, Revenue Forecasting, Cash Flow Forecasting, Financial Statement Analysis, Financial Modeling, Financial Analysis, Financial Statements, Cost Estimation, Finance, Cash Flows, Balance Sheet, Capital Expenditure, Profit and Loss (P&L) Management, Performance Analysis, Return On Investment, International Finance, Corporate Finance, Business Economics
Intermediate · Course · 3 - 6 Months

Microsoft
Skills you'll gain: Generative AI, Generative Model Architectures, MLOps (Machine Learning Operations), Generative Adversarial Networks (GANs), Model Deployment, Model Evaluation, Microsoft Azure, Model Training, PyTorch (Machine Learning Library), Deep Learning, Time Series Analysis and Forecasting, Tensorflow, Image Analysis, Forecasting, Prototyping
Intermediate · Course · 1 - 4 Weeks