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: SQL, Oracle Databases, Database Management, Database Development, Relational Databases, Database Design, Query Languages
★ 4.6 (168) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Webhook Security, AI Integrations, Generative AI Agents, Application Programming Interface (API), AI Workflows, Agentic Workflows, API Design, Restful API, AI Orchestration, OpenAI API, Web Scraping, Prompt Engineering, Scripting Languages, No-Code Development, Google Gemini, Javascript, Automation, Authentications, Large Language Modeling, Cybersecurity
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: COBOL (Programming Language), Job Control Language (JCL), IBM DB2, Mainframe Computing, Mainframe Technologies, Relational Databases, File I/O, File Management, Data Management, Database Theory, Databases, Database Management Systems, Data Storage, Data Access, Programming Principles, Command-Line Interface, Computer Programming
★ 3.6 (54) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Cloud-Native Computing, MongoDB, NoSQL, Flask (Web Framework), Django (Web Framework), Cloud Deployment, OpenShift, Cloud Platforms, Application Deployment, Kubernetes, Cloud Development, Cloud Applications, Databases, Back-End Web Development, IBM Cloud, Docker (Software), Containerization, Web Applications, Microservices, Application Development
★ 5 (44) · Advanced · Course · 1 - 3 Months

University of Alberta
Skills you'll gain: Reinforcement Learning, Machine Learning Methods, Machine Learning, Sampling (Statistics), Machine Learning Algorithms, Artificial Intelligence, Deep Learning, Systems Development, Simulations, Solution Architecture, Agentic systems, Feature Engineering, Model Training, Markov Model, Decision Intelligence, Supervised Learning, Algorithms, Model Evaluation, Applied Machine Learning, Artificial Neural Networks
★ 4.7 (3.6K) · Intermediate · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Exploratory Data Analysis, Data Visualization, Plot (Graphics), Statistical Visualization, Ggplot2, Dimensionality Reduction, Data Visualization Software, R Programming, R (Software), Graphing, Data Analysis, Statistical Analysis, Unsupervised Learning, Statistical Methods
★ 4.7 (6.1K) · Mixed · Course · 1 - 4 Weeks

University of Pennsylvania
Skills you'll gain: Compliance Training, Compliance Management, Regulatory Compliance, Health Insurance Portability And Accountability Act (HIPAA) Compliance, General Data Protection Regulation (GDPR), Medical Privacy, Law, Regulation, and Compliance, Legal Risk, Information Privacy, Governance Risk Management and Compliance, Personally Identifiable Information, Regulatory Requirements, Regulation and Legal Compliance, Internal Communications, Procedure Development, Data Security, Continuous Monitoring, Health Information Management, Risk Management, Business Strategy
★ 4.8 (2.9K) · Intermediate · Specialization · 3 - 6 Months

Duke University
Skills you'll gain: Deep Learning, Model Evaluation, Unsupervised Learning, Machine Learning Methods, Classification And Regression Tree (CART), Machine Learning, Regression Analysis, Artificial Intelligence and Machine Learning (AI/ML), Applied Machine Learning, Artificial Neural Networks, Decision Tree Learning, Model Training, Computer Vision, Logistic Regression, Supervised Learning, Machine Learning Algorithms, Natural Language Processing, Predictive Modeling, Data Science, Predictive Analytics
★ 4.7 (848) · Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Angular, JavaScript Frameworks, Application Deployment, Cascading Style Sheets (CSS), UI Components, Application Frameworks, Frontend Performance, Data Transformation, Server Side, User Interface (UI), Dataflow, Front-End Web Development, Hypertext Markup Language (HTML), Restful API, Code Reusability, Web Applications, Network Routing, Software Architecture, Maintainability, Web Development
★ 4.2 (64) · Beginner · Specialization · 1 - 3 Months

Stanford University
Skills you'll gain: Physics, European History, Verification And Validation, Scientific Methods, electromagnetics, Research, Experimentation, Mechanics, Global Positioning Systems
★ 4.9 (3.2K) · Beginner · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Artificial Intelligence and Machine Learning (AI/ML), Model Training, Model Deployment, Microsoft Azure, Artificial Intelligence, Applied Machine Learning, Python Programming, Machine Learning Methods, Machine Learning, Machine Learning Algorithms, Data Science, Image Analysis, Computer Vision, Process Driven Development, Natural Language Processing, Application Programming Interface (API)
★ 4.4 (978) · Advanced · Course · 1 - 3 Months

Skills you'll gain: Git (Version Control System), Version Control, Prompt Engineering, Prompt Engineering Tools, .NET Framework, Microsoft Visual Studio, Microsoft Development Tools, ASP.NET, Development Environment, Software Documentation, Secure Coding, Integrated Development Environments, Software Development Tools, C# (Programming Language), Unit Testing, LLM Application, Large Language Modeling, Application Design, Design Software, Data Security
Intermediate · Course · 1 - 3 Months