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.

Skills you'll gain: Cybersecurity, Network Security, Cyber Security Strategy, Data Security, Security Controls, Continuous Monitoring, Threat Management, Security Strategy, Vulnerability Management, Incident Response, Vulnerability Assessments, Systems Architecture
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Statistical Inference, Statistical Modeling, Statistical Hypothesis Testing, Regression Analysis, R Programming, Data Ethics, Experimentation, Research Design, Statistical Methods, Data Science, Data Analysis, Statistical Analysis, Data Modeling, Predictive Modeling, Mathematical Modeling, Probability & Statistics, A/B Testing, Quantitative Research, Machine Learning, Model Evaluation
Build toward a degree
Intermediate · Specialization · 3 - 6 Months
Duke University
Skills you'll gain: Responsible AI, Data Ethics, Large Language Modeling, Decision Tree Learning, AI Security, Regression Analysis, Generative AI, Artificial Intelligence, AI Product Strategy, Statistical Modeling, Python Programming, Artificial Intelligence and Machine Learning (AI/ML), Machine Learning, Model Evaluation, Applied Machine Learning, Logistic Regression, Machine Learning Methods, Deep Learning, Visualization (Computer Graphics), Data Literacy
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Energy and Utilities, Electrical Systems, Electric Power Systems, Electrical Power, Infrastructure Architecture, Electrical Equipment, Network Planning And Design, Interoperability, Scalability
Beginner · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Data Security, Cloud Security, Azure Active Directory, Microsoft Azure, Data Storage, Encryption, Cloud Storage, Authorization (Computing), Authentications, Database Management, Data Governance, Key Management, Identity and Access Management, Firewall, Threat Detection
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Social Media Campaigns, Social Media Marketing, Paid media, Digital Media Strategy, Online Advertising, Campaign Management, Search Engine Marketing, Digital Advertising, Digital Marketing, Pay Per Click Advertising, Marketing Strategy and Techniques, Owned Media, Marketing Planning, Earned Media, Marketing Design, Analytics
Mixed · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Cryptography, Encryption, Application Development, Security Engineering, Application Security, C++ (Programming Language)
Intermediate · Guided Project · Less Than 2 Hours

University of Colorado System
Skills you'll gain: Prompt Engineering, Vibe coding, Debugging, Large Language Modeling, LLM Application, AI Security, Application Programming Interface (API), Responsible AI, Development Environment, AI Enablement, Integrated Development Environments, API Testing, Application Development, Application Security
Beginner · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Requirements Analysis, User Requirements Documents, Software Development Methodologies, Requirements Elicitation, Agile Methodology, Functional Requirement, Software Design Documents, System Requirements, Software Development Life Cycle, Verification And Validation, Technical Communication
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Cloud Infrastructure, Google Cloud Platform, Cloud Deployment, Infrastructure Architecture, Cloud Computing, Network Infrastructure, Virtual Networking, Virtual Machines, Cloud Storage, Network Architecture, Command-Line Interface, Firewall
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Secure Coding, Application Security, Authorization (Computing), Authentications, Data Validation, Role-Based Access Control (RBAC), Verification And Validation, Security Controls, User Accounts, Configuration Management, Package and Software Management, Cybersecurity, Data Loss Prevention, Identity and Access Management, Software Installation, Middleware, Debugging, Computer Programming, Information Technology, Dependency Analysis
Beginner · Course · 1 - 3 Months

Banco Interamericano de Desarrollo
Skills you'll gain: Cybersecurity, Data Management, Interoperability, Digital Transformation, Data Security, Public Administration, Governance, Case Studies, Public Key Infrastructure, Identity and Access Management, Service Design, Policy Analysis, Innovation, Strategic Planning
Beginner · Course · 1 - 4 Weeks