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.

LearnQuest
Skills you'll gain: Data Ethics, Responsible AI, Machine Learning, Data Collection, Game Theory, Algorithms, Artificial Intelligence, Predictive Modeling, Machine Learning Algorithms, Mitigation
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Computer Vision, Image Analysis, Artificial Neural Networks, Convolutional Neural Networks, Artificial Intelligence and Machine Learning (AI/ML), Machine Learning Methods, Computational Thinking, Psychology, Human Factors
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Threat Modeling, Vulnerability Assessments, Vulnerability Scanning, Business Continuity Planning, Business Continuity, Risk Analysis, Risk Management Framework, Threat Management, Vulnerability Management, Cyber Security Assessment, Cyber Risk, Risk Management, Contingency Planning, Risk Mitigation, Risk Modeling, Disaster Recovery
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Active Directory, Azure Active Directory, Virtual Machines, Group Policy, Hyper-V, Microsoft Servers, Windows Servers, Virtualization and Virtual Machines, Cloud Infrastructure, Containerization, Virtualization, Remote Access Systems, Microsoft Azure, Virtual Private Networks (VPN), Virtual Networking, Network Security, Dynamic Host Configuration Protocol (DHCP), Hybrid Cloud Computing, Windows PowerShell, Data Storage Technologies
Intermediate · Specialization · 1 - 3 Months

Infosec
Skills you'll gain: Secure Coding, C and C++, Application Security, System Programming, C++ (Programming Language), C (Programming Language), Security Engineering, Interoperability, Unix, Embedded Software, Information Systems Security, OS Process Management, Embedded Systems, Operating Systems, Data Security, Memory Management, Authorization (Computing), Linux
Mixed · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Public Health
Beginner · Course · 1 - 3 Months

John Wiley & Sons
Skills you'll gain: Statistical Methods, Exploratory Data Analysis, Data Quality, Statistics, Data Science, Data Analysis, Statistical Analysis, Probability & Statistics, Data Storage, Data Collection, Data Management, Data Pipelines, Statistical Machine Learning, Data-Driven Decision-Making, Probability Distribution, Machine Learning, Linear Algebra
Beginner · Course · 1 - 4 Weeks

United Cities and Local Governments of Africa
Skills you'll gain: Climate Change Adaptation, Climate Change Programs, Climate Change Mitigation, Environmental Policy, Social Determinants Of Health, Decision Intelligence, Land Management, Environmental Resource Management, Sustainable Development, Decision Support Systems, Governance, Vulnerability, Socioeconomics, Economic Development, Hazard Analysis
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Large Language Modeling, Model Optimization, Recurrent Neural Networks (RNNs), Natural Language Processing, Prompt Engineering, Model Training, LLM Application, Artificial Neural Networks, Transfer Learning, Deep Learning, Embeddings, Fine-tuning, Generative Model Architectures
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Systems Engineering, Verification And Validation, Team Management, Team Performance Management, Systems Architecture, Requirements Analysis, Requirements Elicitation, Scrum (Software Development), Systems Development Life Cycle, Teamwork, Systems Development, Configuration Management, Scaled Agile Framework, Team Building, Agile Methodology, Team Motivation, Organizational Leadership, Leadership Studies, Engineering Management, Leadership and Management
Intermediate · Specialization · 3 - 6 Months

University of London
Skills you'll gain: Responsive Web Design, Cascading Style Sheets (CSS), JSON, HTML and CSS, Web Content Accessibility Guidelines, Javascript, Application Programming Interface (API), Web Design, Semantic Web, Usability, Web Applications, Web Development, Test Tools, Web Content, Front-End Web Development, Data Structures, Application Frameworks, Network Protocols, Data Ethics, Animations
Build toward a degree
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Real-Time Operating Systems, Embedded Software, Embedded Systems, System Programming, System Software, Software Architecture, Hardware Architecture, Systems Architecture, Build Tools, Software Development Tools, Dependency Analysis, Cross Platform Development, Performance Tuning, Package and Software Management, Software Design Patterns, C++ (Programming Language)
Intermediate · Course · 1 - 4 Weeks