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.

University at Buffalo
Skills you'll gain: Blockchain, Cryptography, Transaction Processing, Network Protocols, Encryption, Data Structures, Distributed Computing, Virtual Environment, Data Integrity, Emerging Technologies, Data Validation, Algorithms, Verification And Validation
Beginner · Course · 1 - 4 Weeks

Whizlabs
Skills you'll gain: Incident Response, Computer Security Incident Management, Security Management, Disaster Recovery, Crisis Management, Security Strategy, Threat Management, Business Continuity, Security Testing, Governance, Operational Risk, Risk Management, Resource Allocation, Compliance Management, Business Relationship Management, Continuous Improvement Process, Business Priorities, Budget Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: User Story, Cloud Deployment, CI/CD, Open Web Application Security Project (OWASP), Continuous Integration, Istio, Application Deployment, Test Driven Development (TDD), Kubernetes, Gherkin (Scripting Language), Jenkins, Agile Software Development, Scrum (Software Development), Code Coverage, OpenShift, DevOps, Secure Coding, Grafana, System Monitoring, Agile Methodology
Build toward a degree
Intermediate · Professional Certificate · 3 - 6 Months
LearnQuest
Skills you'll gain: Data Warehousing, Cloud Deployment, Data Analysis, Cloud Computing, Data Architecture, Big Data, Cloud Services, Analytics, Analysis, Data Storage, Cloud Infrastructure, Scalability, Data Processing, Extract, Transform, Load, Public Cloud, Software As A Service, Database Architecture and Administration, Statistical Analysis, Data Strategy, Data Integration
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: vSphere Networking and Storage, Virtual Networking, VMware ESX Servers, vCenter Server, Virtual Machines, Virtualization, Infrastructure Security, Hardening, Role-Based Access Control (RBAC), Data Storage, Identity and Access Management, Windows PowerShell, Encryption, Computer Networking
Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Spring Framework, Microservices, JUnit, Model View Controller, Restful API, Spring Boot, Software Architecture, API Gateway, Web Services, Object-Relational Mapping, Transaction Processing, Data Persistence, Service Oriented Architecture, Cloud Computing Architecture, JSON, YAML, Load Balancing, Unit Testing, Java Programming, Enterprise Application Management
Beginner · Specialization · 1 - 3 Months

Imperial College London
Skills you'll gain: Linear Algebra, Dimensionality Reduction, NumPy, Regression Analysis, Calculus, Applied Mathematics, Data Preprocessing, Unsupervised Learning, Feature Engineering, Machine Learning Algorithms, Jupyter, Advanced Mathematics, Statistics, Artificial Neural Networks, Algorithms, Mathematical Modeling, Python Programming, Derivatives
Beginner · Specialization · 3 - 6 Months

Pragmatic AI Labs
Skills you'll gain: Model Context Protocol, GitHub, Responsible AI, Git (Version Control System), Microsoft Copilot, Model Evaluation, Object-Relational Mapping, Package and Software Management, Restful API, Authentications, Open Source Technology, CI/CD, AI Security, Generative AI, Security Controls, Agentic Workflows, Security Strategy, Enterprise Architecture, Automation Engineering, Machine Learning
Beginner · Specialization · 3 - 6 Months
University of California, Davis
Skills you'll gain: Keyword Research, Search Engine Optimization, Persona Development, Search Engine Marketing, Content Creation, Social Media Strategy, Web Analytics and SEO, Social Media, Content Strategy, Social Media Marketing, Competitive Analysis, Target Audience, Data Analysis, Digital Media Strategy, Analytics, Branding, Target Market, Forecasting, Content Development and Management, Content Marketing
Beginner · Specialization · 3 - 6 Months

LearnQuest
Skills you'll gain: Spring Framework, JUnit, Unit Testing, Enterprise Application Management, Java, Integration Testing, Configuration Management, Software Design Patterns, Extensible Markup Language (XML), Context Management, Dependency Analysis
Intermediate · Course · 1 - 4 Weeks
Duke University
Skills you'll gain: Bayesian Statistics, Statistical Hypothesis Testing, Sampling (Statistics), Statistical Inference, Exploratory Data Analysis, Peer Review, Regression Analysis, R (Software), Statistical Reporting, Probability Distribution, Statistical Analysis, Statistics, Data Analysis Software, Data Analysis, Probability & Statistics, Probability, R Programming, Statistical Modeling, Statistical Methods, Data Visualization
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: AI Security, Responsible AI, Generative AI, Prompt Engineering, Data Ethics, Cyber Threat Intelligence, Cyber Security Strategy, Cybersecurity, LLM Application, Large Language Modeling, Compliance Training, Governance, Cyber Threat Hunting, Cyber Security Policies, Cyber Attacks, Cyber Risk, Artificial Intelligence and Machine Learning (AI/ML), Security Awareness, Machine Learning, Automation
Intermediate · Course · 1 - 4 Weeks