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: Firewall, Google Cloud Platform, Virtual Machines, Virtual Networking, System Configuration, Network Security, General Networking
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Business Analysis, Business Process Modeling, Stakeholder Analysis, Process Optimization, Requirements Management, Business Requirements, Stakeholder Management, Process Analysis, Data Modeling, Agile Methodology, Stakeholder Engagement, Requirements Analysis, Process Improvement, User Story, Project Management, Data Flow Diagrams (DFDs), Risk Management, Business Process, Needs Assessment, Ethical Standards And Conduct
Intermediate · Specialization · 3 - 6 Months

Starweaver
Skills you'll gain: Revenue Management, Customer experience strategy (CX), Service Design, Design Thinking, Change Management, Capital Expenditure, Financial Statement Analysis, Cost Control, Social Media Marketing, Hospitality Management, Social Media, Innovation, Financial Forecasting, Finance, Operations Management, Prototyping, Strategic Planning, Capital Budgeting, Search Engine Optimization, Key Performance Indicators (KPIs)
Intermediate · Specialization · 3 - 6 Months

University of Colorado System
Skills you'll gain: Tidyverse (R Package), Clinical Data Management, Health Insurance Portability And Accountability Act (HIPAA) Compliance, R Programming, Medical Privacy, Google Cloud Platform, Data Ethics, Data Science, Health Informatics, Data Processing, Electronic Medical Record, SQL, Data Access
Intermediate · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Automation, Sustainable Systems, Sustainable Development, Electric Power Systems, Policy Analysis, Socioeconomics, Economics, Policy, and Social Studies, Environmental Issue, Social Impact, Emerging Technologies, Transportation Operations, Health Equity, Diversity Equity and Inclusion Initiatives, Climate Change Mitigation, Safety and Security, Artificial Intelligence, Infrastructure Architecture
Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Performance Tuning, Data Architecture, User Accounts, Data Warehousing, SQL, Database Management, Data Modeling, Data Transformation, Data Import/Export, Data Integration, Role-Based Access Control (RBAC), Data Governance, JSON, Data Security
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Generative AI, Generative Model Architectures, Large Language Modeling, Generative Adversarial Networks (GANs), ChatGPT, Image Analysis, Natural Language Processing, Deep Learning, Probability & Statistics
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: User Research, User Experience Design, User Experience, User Interface and User Experience (UI/UX) Design, Usability, Verification And Validation, Usability Testing, Internet Of Things, Design Research, API Design, User Interface (UI), Amazon Web Services, Embedded Software, Cloud Computing Architecture, Human Computer Interaction, Embedded Systems, Application Programming Interface (API), Prototyping, Network Protocols, Software Development
Build toward a degree
Intermediate · Specialization · 3 - 6 Months

University of California San Diego
Skills you'll gain: Bioinformatics, Diagnostic Tests, Model Evaluation, Molecular Biology, Infectious Diseases, Informatics, Network Analysis, Medical Science and Research, Computational Thinking, Biochemistry, Data Mining, Scientific Visualization, Life Sciences, Tree Maps, Microbiology, Biology, Data Analysis Software, Pharmacology, Science and Research
Beginner · Specialization · 1 - 3 Months

Scrimba
Skills you'll gain: Prompt Engineering, Responsible AI, OpenAI API, Generative AI, Data Ethics, AI Security, ChatGPT, Artificial Intelligence, Application Programming Interface (API), Computer Programming, Key Management
Intermediate · Course · 1 - 3 Months

Cisco Learning and Certifications
Skills you'll gain: Software-Defined Networking, YAML, Network Architecture, Network Protocols, Network Routing, Computer Networking, Data Modeling, Extensible Markup Language (XML), JSON, Automation, Application Programming Interface (API)
Intermediate · Course · 1 - 4 Weeks

École normale supérieure
Skills you'll gain: Theoretical Computer Science, Combinatorics, Algorithms, Graph Theory, Computational Thinking, Mathematical Modeling, Probability
Mixed · Course · 1 - 3 Months