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.

Johns Hopkins University
Skills you'll gain: DevOps, DevSecOps, Process Optimization, Devops Tools, CI/CD, GitHub, Continuous Deployment, Continuous Integration, Software Development Tools, Continuous Delivery, Version Control, Git (Version Control System), Web Development Tools, Software Development, IT Automation, Digital Transformation, Cross-Functional Team Leadership, Business Transformation, Cross-Functional Collaboration, Culture Transformation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Network Troubleshooting, Network Performance Management, Technical Communication, Technical Support and Services, Technical Support, Network Administration, Debugging, End User Training and Support, Help Desk Support, Problem Management, Network Analysis
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Generative AI Agents, AI Orchestration, AI Workflows, Business Process Automation, Make.com, Automation, Agentic systems, Generative AI, LangChain, Agentic Workflows, Marketing Automation, LLM Application, AI Integrations, AI Security, Cloud Solutions, Prompt Engineering, Slack (Software), Artificial Intelligence and Machine Learning (AI/ML), Artificial Intelligence, Google Sheets
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Apache Cassandra, NoSQL, Database Systems, Databases, Database Architecture and Administration, Database Design, Query Languages, Database Management, Data Storage, Data Storage Technologies, System Monitoring, Data Maintenance, Distributed Computing, Application Security, Data Modeling, Performance Tuning, Scalability, Authorization (Computing), Authentications
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: AI Security, AI Product Strategy, Responsible AI, Data Ethics, Strategic Leadership, AI Integrations, Technology Roadmaps, Artificial Intelligence, Business Strategies, Strategic Thinking, Milestones (Project Management), Agile Project Management, Compliance Management, Data Management, Security Controls, Artificial Intelligence and Machine Learning (AI/ML), Governance, Ethical Standards And Conduct, Data Governance, Team Building
Advanced · Course · 3 - 6 Months

Skills you'll gain: Smart Goals, Marketing Effectiveness, Goal Setting, Campaign Planning, Marketing Planning, Marketing Strategies, Data-Driven Marketing, Key Performance Indicators (KPIs), Performance Measurement, Benchmarking, Web Analytics, Accountability
Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Google Gemini, Generative AI Agents, Google Cloud Platform, Cloud Security, Google Workspace, Agentic Workflows, AI Workflows, Agentic systems, Data Access, LLM Application, Large Language Modeling, Enterprise Security, Data Store, Data Integration, Artificial Intelligence, Case Studies, Data Security, Authorization (Computing), Application Deployment, Retrieval-Augmented Generation
Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Preprocessing, Computer Vision, Image Analysis, Model Training, Data Transformation, NumPy, Color Theory
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Operations Research, Network Model, Excel Macros, Decision Making, Strategic Decision-Making, Microsoft Excel, Transportation, Supply Chain, and Logistics, Transportation Operations, Excel Formulas, Model Optimization, Business Modeling, Business Analytics, Financial Modeling, Portfolio Management
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Model Evaluation, Keras (Neural Network Library), Technical Documentation, Artificial Neural Networks, PyTorch (Machine Learning Library), Model Training, Deep Learning, Model Optimization, Applied Machine Learning, Network Model, Network Architecture, Supervised Learning
Intermediate · Course · 1 - 4 Weeks

Whizlabs
Skills you'll gain: Microsoft Azure, Kubernetes, Containerization, Virtual Machines, Application Deployment, Cloud Deployment, Cloud Computing, Cloud Applications, Infrastructure As A Service (IaaS), Cloud-Native Computing, Cloud Infrastructure, Virtualization and Virtual Machines, Infrastructure as Code (IaC), Scalability, Scripting
Intermediate · Course · 1 - 4 Weeks

28DIGITAL
Skills you'll gain: Court Systems, Telecommunications, Law, Regulation, and Compliance, Information Privacy, Personally Identifiable Information, Case Law, Data Access, Data Security, Digital Communications, Public Safety and National Security, Public Policies, Security Management, Security Strategy
Intermediate · Course · 1 - 3 Months