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.

Eindhoven University of Technology
Skills you'll gain: Science and Research, Research Design, Research, Quantitative Research, Experimentation, Sample Size Determination, Data Sharing, Statistical Inference, Statistical Methods, Statistical Analysis, Data Synthesis, R Programming
Intermediate · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Data Lakes, Data Governance, Data Architecture, Data Management, Cloud Storage, Database Management, Data Warehousing, Data Access, Metadata Management, NoSQL, Star Schema, Data Quality, Big Data, Query Languages, Data Integration, Application Programming Interface (API), Performance Tuning
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Centers, Ansible, Open Shortest Path First (OSPF), Network Switches, Computing Platforms, Virtual Networking, Virtual Local Area Network (VLAN), Network Infrastructure, Network Engineering, Border Gateway Protocol, Infrastructure Security, Network Monitoring, Data Storage Technologies, Automation, Event Monitoring, Configuration Management
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Salesforce, Application Deployment, Salesforce Development, Dashboard, Cloud Deployment, Customer Relationship Management, Change Control, Analytics, Continuous Deployment, Data Import/Export, Authentications, Data Migration, Configuration Management, Data Presentation, Data Access, Responsive Web Design, System Configuration, Workflow Management, Data Management, Business Logic
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Penetration Testing, Malware Protection, Cyber Threat Intelligence, Exploitation techniques, Cybersecurity, Intrusion Detection and Prevention, Vulnerability Assessments, Human Factors (Security), Network Analysis, Command-Line Interface
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Embedded Software, System Programming, Software Development Tools, Embedded Systems, Software Development, Debugging, Application Security, C (Programming Language), Application Development, Computer Architecture, C++ (Programming Language)
Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Computer Systems, Informatics, Data Processing, Data Sharing, Computing Platforms, Bioinformatics, Data Storage, Computer Literacy, Computer Hardware, Big Data, Capacity Management, Data Centers, Computer Security Awareness Training, Cloud Computing, Oncology
Beginner · Course · 1 - 3 Months

Starweaver
Skills you'll gain: Responsible AI, AI Product Strategy, AI Enablement, Organizational Change, Product Roadmaps, Program Implementation, Stakeholder Engagement, Google Gemini, Anthropic Claude, 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

Skills you'll gain: Solution Architecture, Software Architecture, Cloud Computing Architecture, Enterprise Architecture, Amazon Web Services, Application Security, Identity and Access Management, Cloud Deployment, Network Architecture, Cloud Applications, Data Migration, Network Security, Scalability, Disaster Recovery
Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Help Desk Support, System Configuration, Computer Hardware, Networking Hardware, Hardware Troubleshooting, Technical Support, Peripheral Devices, Desktop Support, Computer Networking, General Networking, Operating Systems, Wireless Networks
Beginner · Course · 1 - 4 Weeks
Codio
Skills you'll gain: Apache Maven, JSON, JUnit, Java Programming, Java, Restful API, Integrated Development Environments, Programming Principles, Data Structures, Object Oriented Programming (OOP), Network Protocols, Unit Testing, Style Guides
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Image Analysis, Computer Vision, Autoencoders, Convolutional Neural Networks, Vision Transformer (ViT), Generative Adversarial Networks (GANs), Recurrent Neural Networks (RNNs), Deep Learning, Multimodal Prompts, Artificial Intelligence and Machine Learning (AI/ML), Computer Graphics, Visualization (Computer Graphics), Machine Learning Methods, Model Deployment, Embeddings, Artificial Intelligence, Data Ethics, Data Processing, Applied Machine Learning, Linear Algebra
Build toward a degree
Intermediate · Specialization · 1 - 3 Months