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.

Universitat Autònoma de Barcelona
Skills you'll gain: First Aid, Mental Health Diseases and Disorders, Safety and Security, Psychological Evaluations, Adult Education, Resilience, Empathy
Beginner · Course · 1 - 3 Months

Infosec
Skills you'll gain: Cyber Governance, Security Management, Information Systems Security, Cybersecurity, Governance, Cyber Security Strategy, Cyber Risk, Information Assurance, Leadership, Change Management, Business Leadership
Beginner · Course · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: Goal Setting, Smart Goals, Professional Networking, Business Management, Professional Development, Staff Management, Leadership and Management, Operations Management, People Management, Business Administration, Planning, Customer Relationship Management, Organizational Leadership, Organizational Strategy, Leadership, Change Management
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Disaster Recovery, Server Administration, Windows Servers, Servers, Network Troubleshooting, Linux Servers, Virtualization and Virtual Machines, Hardware Troubleshooting, Operating System Administration, Data Storage Technologies, IT Automation, Remote Access Systems, System Monitoring, Networking Hardware, Computer Hardware, Firewall, Data Security, Encryption
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: MITRE ATT&CK Framework, Network Security, Cybersecurity, Exploitation techniques, Cyber Operations, Python Programming, Data Access, Authorization (Computing), Authentications, Scripting, Network Protocols, User Accounts
Intermediate · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Keyword Research, Advertising Campaigns, Pay Per Click Advertising, Online Advertising, Search Engine Marketing, Advertising, Digital Advertising, Campaign Management, Bidding, Target Audience, Web Analytics, Management Reporting, Content Performance Analysis, Account Management
Beginner · Course · 1 - 4 Weeks
University of Toronto
Skills you'll gain: Biostatistics, Biotechnology, Data Analysis Software, Medical Science and Research, Analysis, Life Sciences
Beginner · Course · 1 - 3 Months
Duke University
Skills you'll gain: Data-Driven Decision-Making, Statistical Modeling, Predictive Modeling, Regression Analysis, R Programming, Data Analysis, Probability & Statistics, Statistical Hypothesis Testing, Statistical Inference, Statistical Analysis
Beginner · Course · 1 - 4 Weeks

MedCerts
Skills you'll gain: Information Management, Care Coordination, Health Care Administration, Data Ethics, Healthcare Ethics, Medical Coding, Data Storage, Interoperability
Beginner · Course · 1 - 3 Months

Skills you'll gain: UI Components, ASP.NET, .NET Framework, C# (Programming Language), Application Programming Interface (API), Web Applications, Full-Stack Web Development, Restful API, OAuth, Microsoft Azure, Back-End Web Development, Application Frameworks, Network Routing, Cloud Applications, Server Side, Javascript, Application Deployment, Cloud API, Authentications, Event-Driven Programming
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: PL/SQL, SQL, Business Logic, Stored Procedure, Database Design, Oracle Databases, Database Development, Relational Databases, Workflow Management, Data Integrity, Scalability, Procedure Development, Debugging
Mixed · Course · 1 - 4 Weeks

AI CERTs
Skills you'll gain: Unity Engine, Video Game Development, Agentic systems, Generative AI Agents, Game Design, Artificial Intelligence and Machine Learning (AI/ML), Animation and Game Design, Artificial Intelligence, Machine Learning Methods, Generative AI, Deep Learning, Game Theory, Design and Product, Design, Real Time Data
Intermediate · Course · 1 - 3 Months