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.

Skills you'll gain: Shiny (R Package), Application Deployment, Server Side, Application Lifecycle Management, Authentications, User Interface (UI) Design, Interactive Design, Business Logic, Application Design, Application Development, Dashboard, Security Controls, Web Applications, R (Software)
Beginner · Course · 1 - 4 Weeks

University of Illinois Urbana-Champaign
Skills you'll gain: C++ (Programming Language), Data Structures, Object Oriented Programming (OOP), Object Oriented Design, Graph Theory, Development Environment, Data Storage, Engineering Software, Unstructured Data, Computer Programming, Algorithms, Data Storage Technologies, Debugging, Program Development, Database Systems, Database Theory, Network Routing, Theoretical Computer Science
Intermediate · Specialization · 1 - 3 Months

LearnQuest
Skills you'll gain: Cloud Deployment, Cloud Computing, Cloud Services, Cloud Infrastructure, Scalability, Public Cloud, Software As A Service, Infrastructure As A Service (IaaS), Cloud Management, Platform As A Service (PaaS), Private Cloud, Hybrid Cloud Computing, Virtualization
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Apache Cassandra, Query Languages, Data Modeling, Operational Databases, Back-End Web Development, Distributed Computing, Full-Stack Web Development, Performance Tuning, NoSQL, Data Manipulation, Database Design, Scalability, Data Integrity, Data Management, Java
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Content Creation, Social Media Content, Search Engine Optimization, Digital Content, Social Media Marketing, Marketing Design, Web Analytics and SEO, Graphic Design, Content Strategy, Style Guides, Content Marketing, Content Management, Marketing Materials, Branding, Brand Management, Auditing, Sales Process, Report Writing
Beginner · Course · 1 - 3 Months
Starweaver
Intermediate · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Power BI, Dashboard, Collaborative Software, Collaboration, Data Sharing, Microsoft Power Platform, Microsoft Excel, Business Intelligence, Microsoft 365, Mobile Security, Interactive Data Visualization, Microsoft PowerPoint, Microsoft Office, Data Analysis Software, Performance Tuning, Data Analysis
Mixed · Course · 1 - 4 Weeks

Hebrew University of Jerusalem
Skills you'll gain: Electrophysiology, Artificial Neural Networks, Neurology, Computer Science, Cell Biology, Physiology, Psychology, Basic Electrical Systems, Network Analysis, Computational Logic, Simulation and Simulation Software, Mathematical Modeling, Biology
Mixed · Course · 1 - 3 Months

Coursera
Skills you'll gain: Vector Databases, Embeddings, Retrieval-Augmented Generation, Artificial Neural Networks, LLM Application, Large Language Modeling, Data Ethics, Responsible AI, Applied Machine Learning, Model Evaluation, Performance Tuning, Performance Testing
Intermediate · Course · 1 - 4 Weeks

Kennesaw State University
Skills you'll gain: Email Security, Personally Identifiable Information, Firewall, Threat Detection, Network Security, Cybersecurity, Security Awareness, Cloud Storage, Information Privacy, Cloud Computing, General Networking, Encryption
Beginner · Course · 1 - 3 Months

University of California San Diego
Skills you'll gain: Bioinformatics, Molecular Biology, Dimensionality Reduction, Unsupervised Learning, Data Analysis, Markov Model, Network Analysis, Biochemistry, Biotechnology, Life Sciences, Infectious Diseases, Microbiology, Statistical Analysis, Biology, Algorithms, Data Preprocessing, Machine Learning, Data Analysis Software, Data Mapping, Python Programming
Beginner · Specialization · 3 - 6 Months

University of Alberta
Skills you'll gain: Agile Software Development, Project Risk Management, Requirements Analysis, Agile Methodology, Kanban Principles, Risk Management, Project Planning, Requirements Elicitation, Sprint Retrospectives, Requirements Management, Functional Requirement, Business Requirements, Sprint Planning, Software Development Methodologies, Software Development Life Cycle, Scrum (Software Development), Software Technical Review, Risk Management Framework, Product Management, Project Management
Beginner · Specialization · 3 - 6 Months