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: Spring Framework, Object-Relational Mapping, Transaction Processing, Data Persistence, Database Systems, Java, Restful API, Web Services, Web Applications
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Redis, NoSQL, Real Time Data, Data Structures, Event-Driven Programming, Scalability, Big Data, Query Languages, Data Modeling
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Splunk, Dashboard, Ad Hoc Reporting, Statistical Reporting, Query Languages, Security Information and Event Management (SIEM), Data Visualization Software, Data Manipulation, Data Processing, Data Import/Export, Event Monitoring
Intermediate · Course · 1 - 3 Months

University at Buffalo
Skills you'll gain: Blockchain, Test Driven Development (TDD), Cryptography, Development Testing, Application Development, Transaction Processing, Emerging Technologies, Integrated Development Environments, Software Architecture, Network Protocols, Encryption, Web Applications, Program Development, Distributed Computing, Application Programming Interface (API), Microsoft Azure, FinTech, Development Environment, Web Language, Web Development Tools
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Debugging, Technical Communication, Network Troubleshooting, Performance Tuning, Problem Management, Technical Documentation, Technical Support, System Monitoring, Incident Management, Application Performance Management, Continuous Integration, Continuous Monitoring, Linux Commands
Beginner · Course · 1 - 4 Weeks

University of Virginia
Skills you'll gain: Marketing Strategies, Digital Transformation, AI Enablement, Marketing, Marketing Analytics, Data-Driven Decision-Making, Machine Learning Algorithms, Artificial Intelligence, Digital Marketing, Business Strategy, Case Studies, Competitive Analysis, Network Analysis, Customer experience improvement, Customer Engagement
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, Prompt Patterns, AI Orchestration, Salesforce Development, Salesforce, Agentic Workflows, Generative AI Agents, Workflow Management, Agentic systems, Application Lifecycle Management, Generative AI, Performance Testing, Enterprise Architecture, Business Logic, Data Integration, Data Architecture, Model Evaluation, Automation, Data Security
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Anomaly Detection, MLOps (Machine Learning Operations), AI Security, Software Engineering, DevOps, CI/CD, Model Deployment, Performance Tuning, Model Evaluation, Secure Coding, Continuous Monitoring, Integration Testing, Data Validation, Sampling (Statistics), Statistical Methods, Python Programming
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Feature Engineering, Decision Tree Learning, Applied Machine Learning, Supervised Learning, Advanced Analytics, Machine Learning, Machine Learning Algorithms, Unsupervised Learning, Analytics, Random Forest Algorithm, Data Analysis, Predictive Modeling, Model Evaluation, Bayesian Network, Python Programming, Statistical Modeling, Classification Algorithms
Advanced · Course · 1 - 3 Months

Skills you'll gain: Extensible Markup Language (XML), Extensible Languages and XML, Selenium (Software), White-Box Testing, Scalability, Software Testing, Web Applications, Test Automation, Test Script Development, Automation, Scenario Testing, Maintainability, Hypertext Markup Language (HTML)
Beginner · Specialization · 1 - 3 Months

LearnQuest
Skills you'll gain: Test Driven Development (TDD), Unit Testing, Code Review, Maintainability, Testability, Software Testing, Debugging, Software Development, Python Programming
Intermediate · Course · 1 - 4 Weeks

Alex Genadinik
Skills you'll gain: Blockchain, Digital Assets, Cryptography, Security Awareness, Payment Systems, FinTech, Emerging Technologies, Cybersecurity, Investments, Transaction Processing
Mixed · Course · 1 - 4 Weeks