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.

Google Cloud
Skills you'll gain: Test Tools, Security Information and Event Management (SIEM), Event Monitoring, Malware Protection, Google Cloud Platform, Network Security
★ 3.2 (6) · Beginner · Project · Less Than 2 Hours

Skills you'll gain: Oracle Cloud, Oracle Cloud Applications, Cloud Solutions, Supply Chain Management, Cloud Computing, Cloud Infrastructure, Enterprise Resource Planning, Cloud Services, Cloud Computing Architecture, Cloud Platforms, Supply Chain, Enterprise Application Management, Customer experience strategy (CX), Human Resources Software, Software As A Service, Security Controls, Cloud Security, Virtual Networking
★ 4.8 (25) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Responsible AI, Case Studies, Governance, Compliance Management, Agentic systems, Program Implementation, Governance Risk Management and Compliance, Regulatory Compliance, Artificial Intelligence, Accountability Frameworks, Risk Analysis, Risk Management Framework, Regulatory Requirements, Business Ethics, Risk Management, Accountability
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Exploitation techniques, Penetration Testing, Vulnerability Scanning, Proxy Servers, Security Testing, Vulnerability Assessments, Test Tools
★ 4.6 (82) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Stakeholder Communications, Crisis Management, Scope Management, Risk Mitigation, Resource Allocation, Project Schedules, Smart Goals, Agile Project Management, Risk Analysis, Leadership and Management, Management Training And Development, Resource Utilization, Resource Planning, Leadership, Scheduling, Business Leadership, Case Studies, Communication Planning
Intermediate · Course · 1 - 4 Weeks

Princeton University
Skills you'll gain: Risk Analysis, Analysis, Systems Thinking, World History, International Relations, Risk Management, Systems Analysis, Social Network Analysis, International Finance, Financial Systems, Infectious Diseases, Public Health, Socioeconomics, Social Sciences, Health Policy, Governance, Epidemiology, Complex Problem Solving, Economics, Supply Chain
★ 4.7 (462) · Beginner · Course · 1 - 3 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Big Data, Analytics, Network Model, Business Intelligence, Information Management, Data Analysis, Asset Management, Business Analytics, Advanced Analytics, Case Studies, Business Economics, Information Technology, Data Management, Intellectual Property, Innovation, Accounting
★ 4.6 (120) · Beginner · Course · 1 - 4 Weeks

John Wiley & Sons
Skills you'll gain: AutoCAD, Computer-Aided Design, Technical Drawing, Engineering Drawings, Architectural Drawing, Design Software, Plot (Graphics), Graphical Tools, User Interface (UI), Command-Line Interface, Digital Design, UI Components, Design and Product, Design Elements And Principles, Systems Of Measurement
Beginner · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Machine Learning Methods, Machine Learning, Machine Learning Algorithms, Artificial Intelligence and Machine Learning (AI/ML), Transfer Learning, Control Systems, Image Analysis, Robotics, Deep Learning, Computer Vision, Artificial Intelligence, Generative AI, Reinforcement Learning, Algorithms
★ 4.5 (69) · Intermediate · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Secure Coding, Distributed Denial-Of-Service (DDoS) Attacks, Application Security, Authorization (Computing), Authentications, Data Validation, Encryption, Security Software, Security Controls, Data Security, Vulnerability Scanning, Endpoint Security, Role-Based Access Control (RBAC), Intrusion Detection and Prevention, Database Application, Security Awareness, Cybersecurity, Configuration Management, Web Applications, Web Development Tools
★ 4.5 (25) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Marketing Analytics, Data-Driven Marketing, Pivot Tables And Charts, Advanced Analytics, Descriptive Statistics, Microsoft Excel, Descriptive Analytics, Data Import/Export, Spreadsheet Software, Marketing Effectiveness, Data-Driven Decision-Making, Marketing Strategies, Data Literacy, Statistics, Statistical Methods, Market Data, Small Data, Data Wrangling, Data Transformation
Beginner · Course · 1 - 4 Weeks

John Wiley & Sons
Skills you'll gain: Product Strategy, Overcoming Objections, Business Transformation, Cross-Functional Collaboration, Agile Product Development, Cross-Functional Team Leadership, Product Management, Organizational Development, Culture Transformation, Organizational Change, Organizational Leadership, Product Development, Digital Transformation, Leadership, Customer experience improvement, Innovation, Stakeholder Engagement, Data-Driven Decision-Making
Intermediate · Course · 1 - 3 Months