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.

Coursera
Skills you'll gain: LangGraph, AI Orchestration, LangChain, AI Workflows, LLM Application, Agentic Workflows, Agentic systems, Tool Calling, Generative AI Agents, Model Deployment, Large Language Modeling, Artificial Intelligence, Context Management, Data Persistence, Business Logic, Enterprise Architecture, Debugging
Intermediate · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Threat Detection, Cyber Security Strategy, System Monitoring, Cybersecurity, Cyber Operations, Continuous Monitoring, Network Security, Network Monitoring, Python Programming, Scripting, Scripting Languages
★ 4.5 (86) · Intermediate · Course · 1 - 4 Weeks

The Hong Kong University of Science and Technology
Skills you'll gain: White-Box Testing, Acceptance Testing, Software Development Methodologies, Configuration Management, Debugging, Systems Development Life Cycle, Software Development Life Cycle, Software Testing, Software Development, Software Engineering, Unified Modeling Language, Software Quality Assurance, Software Configuration Management, User Acceptance Testing (UAT), System Design and Implementation, Change Control, Test Case, Requirements Analysis, Waterfall Methodology, Project Management
★ 4.7 (148) · Intermediate · Course · 1 - 3 Months

Edge Impulse
Skills you'll gain: Computer Vision, Convolutional Neural Networks, Image Analysis, Transfer Learning, Artificial Neural Networks, Embedded Systems, Deep Learning, Model Deployment, Data Ethics, Responsible AI, Model Training, Machine Learning, Computer Programming, Classification Algorithms, Model Evaluation, Python Programming
★ 4.8 (166) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Network Analysis, Network Security, Cyber Operations, Intrusion Detection and Prevention, MITRE ATT&CK Framework, Cybersecurity, Threat Detection, Network Monitoring, Penetration Testing, Anomaly Detection, Exploitation techniques, Brute-force attacks, Scripting, Authentications, Python Programming, Data Access, Identity and Access Management, Automation
★ 4.5 (81) · Beginner · Specialization · 1 - 3 Months

Princeton University
Skills you'll gain: Theoretical Computer Science, Data Structures, Computer Science, Computer Architecture, Computer Systems, Algorithms, Computer Programming, Computational Logic, Java Programming, Computer Hardware, Scalability
★ 4.7 (786) · Intermediate · Course · 1 - 3 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Infectious Diseases, Epidemiology, Food and Beverage, Nutrition and Diet, Food Safety and Sanitation, Infection Control, Public Health and Disease Prevention, Public Health, Physiology, Preventative Care, Sustainable Systems, Immunology, Microbiology, Caregiving, Environment and Resource Management
★ 4.8 (631) · Beginner · Course · 1 - 3 Months

Universidad Nacional Autónoma de México
Skills you'll gain: Database Systems, Database Theory, Relational Databases, Database Management, SQL, Databases, Database Design, Database Development, Database Software, Database Application, Database Management Systems, Information Systems, MySQL, Query Languages, Data Modeling, Transaction Processing, MySQL Workbench, Information Systems Security, Data Integrity, Performance Tuning
★ 4.4 (462) · Intermediate · Course · 1 - 3 Months

Institute for the Future
Skills you'll gain: Forecasting, Systems Thinking, Responsible AI, Strategic Thinking, Game Theory, Creative Problem-Solving, Creative Thinking, Collaboration, Interviewing Skills, Emerging Technologies, Ideation, Strategic Planning, Innovation, Ethical Standards And Conduct, Business Ethics, Creativity, Empathy & Emotional Intelligence
★ 4.8 (312) · Beginner · Course · 1 - 3 Months

Edureka
Skills you'll gain: AI Security, Secure Coding, Generative AI, AI Integrations, Intrusion Detection and Prevention, Generative Model Architectures, Threat Detection, Cyber Security Policies, Cybersecurity, Computer Security, AI literacy, Artificial Intelligence, Incident Response, Data Analysis
★ 3.9 (57) · Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: MLOps (Machine Learning Operations), Model Evaluation, Model Training, Model Optimization, Configuration Management, Image Analysis, Debugging, Data Presentation, Experimentation, Computer Vision, Data Visualization, Deep Learning, Algorithms, Performance Tuning, Tensorflow, Failure Mode And Effects Analysis, Root Cause Analysis, Cost Management, Machine Learning, Performance Analysis
Intermediate · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Rmarkdown, Shiny (R Package), Ggplot2, Tidyverse (R Package), Data Visualization, Spatial Data Analysis, Statistical Visualization, Dashboard Creation, Scatter Plots, Plot (Graphics), Dashboard, R (Software), Data Import/Export, Interactive Data Visualization, R Programming, Data Visualization Software, Spatial Analysis, Geospatial Information and Technology, Data Science, Data Analysis
★ 4.8 (458) · Beginner · Specialization · 3 - 6 Months