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.
Duke University
Skills you'll gain: Responsible AI, Large Language Modeling, Data Ethics, Decision Tree Learning, Regression Analysis, Generative AI, Artificial Intelligence, AI literacy, Decision Intelligence, Applied Machine Learning, Generative Model Architectures, Statistical Modeling, Python Programming, Machine Learning, Model Evaluation, Embeddings, Image Analysis, Machine Learning Methods, Scientific Visualization, Deep Learning
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Operating System Administration, Information Technology Operations, Incident Management, Security Management, IT Automation, Security Controls, Systems Administration, System Support, Technical Support and Services, Endpoint Security, Data Security, General Networking, Network Troubleshooting, Knowledge of Apple Software, Wireless Networks, File Systems, File Management, Identity and Access Management, User Accounts, Authentications
Intermediate · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Secure Coding, Application Security, Computer Programming Tools, C and C++, C++ (Programming Language), Software Development Tools, Security Software, C (Programming Language)
Mixed · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Test Automation, Performance Testing, Software Testing, API Testing, Test Script Development, Security Testing, Continuous Integration, Test Tools, AI Security, CI/CD, Performance Stress Testing, Regression Testing, AI Integrations, Scalability, Automation, Test Case, Application Programming Interface (API)
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Databricks, Generative AI, Prompt Engineering, Retrieval-Augmented Generation, Vector Databases, Context Engineering, Fine-tuning, LLM Application, MLOps (Machine Learning Operations), Large Language Modeling, Applied Machine Learning, Embeddings, Data Lakes, Model Evaluation, Model Optimization, Acceptance Testing
Intermediate · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Cyber Governance, Security Management, Cybersecurity, Governance, Leadership Studies, Cyber Security Strategy, Information Assurance, Leadership, Change Management, Governance Risk Management and Compliance, Organizational Change
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Kubernetes, Google Cloud Platform, Cloud Development, Cloud Infrastructure, Cloud Applications, Prompt Engineering Tools, Containerization, Generative AI, Cloud Storage, Cloud Platforms, Identity and Access Management, Infrastructure As A Service (IaaS), Prompt Engineering, Cloud Engineering, Cloud Services, Network Infrastructure, Virtual Machines, Cloud Management, Cloud Deployment, Virtual Networking
Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Storytelling, Data Presentation, Data-Driven Decision-Making, Strategic Decision-Making, Product Management, Customer Insights, Data Analysis, Forecasting, A/B Testing, Business Analytics, Analytics, Prioritization, Statistical Analysis, Business Metrics, User Research, Customer Retention, Machine Learning Methods, Root Cause Analysis, Statistical Methods, Stakeholder Communications
Intermediate · Specialization · 3 - 6 Months

Infosec
Skills you'll gain: Security Management, Cyber Governance, IT Management, Cybersecurity, Cyber Security Strategy, Cyber Risk, Security Strategy, Key Performance Indicators (KPIs), Leadership and Management, Internal Communications, Leadership, Communication Planning, Performance Metric, Program Management, Risk Management, Risk Management Framework, Corporate Communications, Stakeholder Communications
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Responsible AI, Data Ethics, Organizational Strategy, AI Product Strategy, AI Enablement, Strategic Leadership, Cross-Functional Collaboration, Governance, Artificial Intelligence and Machine Learning (AI/ML), Decision Making, AI literacy, Business Ethics, Technology Roadmaps, Data Governance, Organizational Structure, Scalability, Risk Mitigation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: PyTorch (Machine Learning Library), Model Training, Convolutional Neural Networks, Transfer Learning, Image Analysis, Predictive Modeling, Deep Learning, Radiology, Medical Imaging, Computer Vision, Machine Learning, Data Preprocessing, Data Transformation
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Security Testing, Test Tools, Vulnerability Scanning, Exploitation techniques, Vulnerability Assessments, Application Security, Network Protocols, Web Applications, Test Automation, Development Environment, Proxy Servers, Authentications, Software Installation, System Configuration
Beginner · Course · 1 - 3 Months