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.

Board Infinity
Skills you'll gain: ABAP RESTful Programming Model (RAP), SAP S/4HANA, Business Logic, SAP Applications, Unit Testing, Restful API, Application Deployment, Core Data (Software), Business Reporting, Secure Coding, Debugging, Full-Stack Web Development, Application Development, Object Oriented Design, Report Writing, Security Controls, Programming Principles, Object Oriented Programming (OOP), User Interface (UI), Program Development
Intermediate · Specialization · 1 - 3 Months

Infosec
Skills you'll gain: Medical Privacy, Information Privacy, Health Insurance Portability And Accountability Act (HIPAA) Compliance, Data Governance, Security Management, Computer Security Incident Management, Personally Identifiable Information, Law, Regulation, and Compliance, Data Security, Governance, Information Assurance, Document Management, Health Information Management, Security Strategy, General Data Protection Regulation (GDPR), Compliance Management, Incident Response, Regulatory Compliance, Training Programs, Compliance Training
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Linux, Package and Software Management, Linux Administration, Red Hat Enterprise Linux, Linux Commands, User Accounts, Operating System Administration, OS Process Management, Command-Line Interface, File Management, Unix Commands, Unix Shell, System Monitoring, Network Administration, General Networking, Firewall, Open Source Technology
Beginner · Course · 1 - 3 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Financial Policy, Financial Systems, Banking, Financial Market, Financial Regulation, Market Liquidity, Economics, Economics, Policy, and Social Studies, Market Dynamics, Crisis Management
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Peking University
Skills you'll gain: C# (Programming Language), Object Oriented Programming (OOP), C++ (Programming Language), Extensible Markup Language (XML), Java, Microsoft Visual Studio, Computer Programming, User Interface (UI), Data Access, Application Development, Graphical Tools, Network Model, File I/O
Intermediate · Course · 3 - 6 Months

Pearson
Skills you'll gain: Network Architecture, General Networking, Network Infrastructure, Computer Networking, OSI Models, Network Switches, Local Area Networks, Networking Hardware, Network Protocols, Network Model
Beginner · Course · 1 - 4 Weeks
University of Washington
Skills you'll gain: Unsupervised Learning, Supervised Learning, Statistical Machine Learning, Predictive Analytics, Advanced Analytics, Data Analysis, R Programming, Statistical Methods, Statistical Inference, Statistical Analysis, Machine Learning Algorithms, Machine Learning, Graph Theory, Classification Algorithms, Probability & Statistics, Big Data
Mixed · Course · 1 - 4 Weeks

Starweaver
Skills you'll gain: Responsible AI, AI Enablement, Technology Roadmaps, Organizational Change, AI Product Strategy, Stakeholder Engagement, Market Opportunities, Change Management, Google Gemini, Business Strategy, Generative AI, Corporate Strategy, Corporate Communications, Enterprise Security, Prompt Engineering, Corporate Sustainability, Business Communication, Communication Strategies, Marketing Strategy and Techniques, Communication
Intermediate · Specialization · 1 - 4 Weeks

EDUCBA
Skills you'll gain: Spring Boot, Application Development, Redis, Java, Hibernate (Java), Web Development, Database Development, Authentications, Application Security, Performance Tuning, Unit Testing, Command-Line Interface, Event Monitoring, Software Configuration Management
Mixed · Course · 1 - 3 Months
Skills you'll gain: Blockchain, FinTech, Governance, Financial Services, Financial Regulation, Ledgers (Accounting), Banking Services, Financial Systems, Payment Processing, Innovation, Accounting, Emerging Technologies, Digital Assets, Real Time Data
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Microbiology, Pharmacology, Health Disparities, Psychosocial Assessments, Psychiatric And Mental Health Nursing, Molecular Biology, Infection Control, Infectious Diseases, Nursing Care, Biochemistry, Psychology, Molecular, Cellular, and Microbiology, Sociology, Cultural Sensitivity, Analytical Chemistry, Immunology, Behavior Management, Biology, Decision Making, Taxonomy
Intermediate · Professional Certificate · 3 - 6 Months

Skills you'll gain: Virtual Machines, Virtual Private Networks (VPN), Public Cloud, Cloud Security, Amazon Web Services, Scalability, Virtual Networking, Private Cloud, Amazon Elastic Compute Cloud, Cloud Computing, Cloud Infrastructure
Beginner · Guided Project · Less Than 2 Hours