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: Prompt Engineering, Anthropic Claude, Experience Design, Generative AI, LLM Application, User Interface and User Experience (UI/UX) Design, Application Programming Interface (API), Artificial Intelligence, Artificial Intelligence and Machine Learning (AI/ML), AI Integrations, Application Development, Authentications, Context Management
Intermediate · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Data Presentation, Data Processing, Big Data, Apache Spark, Data Analysis Software, Splunk, Data Analysis, Unstructured Data, Analytics, Data Wrangling, Data Infrastructure, Social Network Analysis, Network Analysis, Classification Algorithms
★ 4.4 (402) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Test Script Development, Selenium (Software), Code Reusability
★ 2.2 (9) · Beginner · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Investment Management, Wealth Management, Asset Management, Investments, FinTech, Financial Trading, Artificial Intelligence and Machine Learning (AI/ML), Artificial Intelligence, Big Data, Artificial Neural Networks, Machine Learning
★ 4.7 (427) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Metasploit, Open Web Application Security Project (OWASP), Penetration Testing, Exploit development, Vulnerability Scanning, Exploitation techniques, Security Testing, Vulnerability Assessments, Hardening, Brute-force attacks, Web Applications, Cybersecurity, Firewall, Network Security, Wireless Networks, Network Analysis, SQL
★ 3.7 (10) · Intermediate · Course · 1 - 4 Weeks

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 (632) · Beginner · Course · 1 - 3 Months

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

Skills you'll gain: Penetration Testing, Metasploit, Vulnerability Scanning, Malware Protection, Exploitation techniques, Exploit development, Database Management, Security Testing, Cyber Security Strategy, Cryptographic Protocols, Vulnerability Assessments, Cyber Security Assessment, Cryptography, Brute-force attacks, Database Software, Threat Detection, Data Import/Export, Cybersecurity, Linux, Linux Administration
★ 4.8 (105) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Control Systems, Programmable Logic Controllers, Animations, Human Machine Interfaces, UI Components, Real-Time Operating Systems, Visualization (Computer Graphics), Control Panels, Interactive Design, User Interface (UI), Code Reusability, Program Development, Simulations, Interactive Data Visualization, Automation Engineering, Machine Controls, Computer Hardware, Electrical Wiring, Computational Logic, Network Troubleshooting
★ 4.7 (41) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Test Case, Test Automation, Test Tools, Continuous Integration, Test Data, Functional Testing, Test Execution Engine, CI/CD, Software Testing, Code Reusability, Maintainability
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Workflow Management, Collaboration, Stakeholder Engagement, Collaborative Software, Management Reporting, Team Collaboration, Business Workflow Analysis, Project Coordination, Teamwork, Communication Strategies, Project Management Software, User Feedback, Coordinating, AI Workflows, Stakeholder Communications, Security Controls, Decision Intelligence, Project Management, Issue Tracking, Role-Based Access Control (RBAC)
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Intrusion Detection and Prevention, Incident Response, Computer Security Incident Management, Cyber Threat Hunting, Cyber Attacks, Cybersecurity, Cyber Operations, Continuous Monitoring, Security Management, Event Monitoring, Disaster Recovery, Incident Management, Threat Detection, Cloud Security, Threat Management, System Monitoring, IT Automation, Record Keeping, Problem Management, Google Cloud Platform
★ 3.8 (38) · Beginner · Course · 1 - 4 Weeks