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: Generative Adversarial Networks (GANs), Generative AI, PyTorch (Machine Learning Library), Generative Model Architectures, Image Analysis, Responsible AI, Data Ethics, Model Training, Image Quality, Information Privacy, Data Synthesis
★ 4.8 (548) · Intermediate · Course · 1 - 4 Weeks

Royal Holloway, University of London
Skills you'll gain: Human Factors (Security), Cyber Threat Intelligence, Cybersecurity, Cyber Attacks, Security Awareness, Social Sciences, Exploitation techniques, Culture, Psychology, Rapport Building, Persuasive Communication
★ 4.8 (124) · Beginner · Course · 1 - 4 Weeks

Universidade de São Paulo
Skills you'll gain: Market Analysis, Entrepreneurship, Market Opportunities, Market Research, User Feedback, Business Modeling, User Research, New Product Development, Marketing, Product Development, Business Planning, Digital Marketing, New Business Development, Innovation, Business Development, Business Strategies, Ideation, Scalability, Entrepreneurial Finance, Business Strategy
★ 4.8 (614) · Beginner · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Relational Databases, SQL, Databases, Data Access, Data Manipulation, Database Development, Database Management Systems, Java Platform Enterprise Edition (J2EE), Query Languages
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Ggplot2, Data Visualization Software, Data Visualization, Statistical Visualization, Rmarkdown, Shiny (R Package), Plot (Graphics), Dashboard Creation, Dashboard, Leaflet (Software), Interactive Data Visualization, Data Presentation, R (Software), R Programming, Scatter Plots, Graphing, Box Plots, Geospatial Information and Technology, Data Science, Data Analysis
★ 4.6 (274) · Beginner · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Application Specific Integrated Circuits, Hardware Design, Computer-Aided Design, Electronic Hardware, Systems Design, Computer Architecture, Electrical and Computer Engineering, Computer Engineering, Engineering Design Process, Electronics Engineering, Network Routing, Computational Logic, Electrical Engineering, Data Structures, Algorithms, Graph Theory, Applied Mathematics, Mathematical Modeling, Calculus
★ 4.7 (284) · Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Test Automation, Performance Testing, Systems Development Life Cycle, Software Quality Assurance, White-Box Testing, API Testing, Test Script Development, AI Security, Software Quality (SQA/SQC), Performance Stress Testing, Software Development Methodologies, Regression Testing, User Acceptance Testing (UAT), AI Integrations, Maintainability, Code Review, Scalability, Automation, Code Coverage, Security Testing
★ 4.1 (47) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Audit Planning, Generally Accepted Auditing Standards, Auditing, Internal Controls, Risk Analysis, Risk Management Framework, Governance Risk Management and Compliance, Auditors Report, Internal Auditing, Continuous Monitoring, Compliance Auditing, Quality Assessment, Project Coordination, Quality Assurance, Information Systems Security, Presentations
★ 4.6 (40) · Intermediate · Course · 1 - 4 Weeks

EDHEC Business School
Skills you'll gain: Text Mining, Applied Machine Learning, Network Analysis, Data Visualization Software, Machine Learning Methods, Statistical Machine Learning, Financial Statement Analysis, Financial Data, Market Data, Unstructured Data, Predictive Modeling, Web Scraping, Social Network Analysis, Advanced Analytics, Financial Statements, Financial Market, Financial Analysis, Corporate Finance, Investments, Data Mining
★ 4.4 (238) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Accounts Payable, Invoicing, Billing & Invoicing, Vendor Relationship Management, Payment Processing and Collection, Process Flow Diagrams, Process Mapping, Workflow Management, Payment Processing, Accounting and Finance Software, Accounting, Standard Accounting Practices, Business Process Automation
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Recurrent Neural Networks (RNNs), Generative AI, Fine-tuning, Model Training, Vision Transformer (ViT), Model Optimization, Large Language Modeling, Embeddings, Network Architecture
★ 4.5 (68) · Intermediate · Specialization · 3 - 6 Months

Packt
Skills you'll gain: OSI Models, Computer Networking, Virtualization, Data Centers, Virtual Networking, General Networking, Network Architecture, Networking Hardware, Network Protocols, TCP/IP, Network Infrastructure, Local Area Networks, Network Model, Telecommunications
★ 4.9 (20) · Beginner · Course · 1 - 4 Weeks