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 of Pittsburgh
Skills you'll gain: Apache Hadoop, Apache Spark, PySpark, Data Pipelines, Distributed Computing, Big Data, Apache Hive, Data Processing, Data Storage, Scikit Learn (Machine Learning Library), Predictive Modeling, Scalability, Data Management, File Systems, Data Science, Data Transformation, Information Technology, Data Analysis
Intermediate · Course · 1 - 4 Weeks

Cisco Learning and Certifications
Skills you'll gain: Virtual Private Networks (VPN), Firewall, Session Initiation Protocols, Remote Access Systems, Network Security, Public Key Infrastructure, Wide Area Networks, Network Infrastructure, Cryptographic Protocols, Network Architecture, Network Routing, Interoperability, Network Protocols, Collaborative Software, Telecommunications, Encryption, System Configuration, Communication Systems, Scalability
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Natural Language Processing, Data Ethics, Responsible AI, Text Mining, Large Language Modeling, Model Evaluation, Embeddings, Fine-tuning, Transfer Learning, Artificial Intelligence and Machine Learning (AI/ML), Time Series Analysis and Forecasting, Data Analysis, Unstructured Data, Data Cleansing, Data Processing, Classification Algorithms, Applied Machine Learning, Deep Learning, Unified Modeling Language, Machine Learning Algorithms
Intermediate · Course · 1 - 4 Weeks

Princeton University
Skills you'll gain: Blockchain, Cryptographic Protocols, Cryptography, FinTech, Application Security, Encryption, Payment Systems, Security Engineering, Network Protocols, Key Management, Digital Assets, Data Storage, Transaction Processing, Distributed Computing, Scripting, Application Specific Integrated Circuits, Financial Regulation, Environmental Social And Corporate Governance (ESG), Data Structures, Market Dynamics
Mixed · Course · 1 - 3 Months

Skills you'll gain: User Accounts, Linux, Linux Administration, Shell Script, Linux Commands, User Provisioning, Unix Shell, Command-Line Interface, Operating System Administration, System Monitoring, File Systems, Unix, Scripting, Systems Administration, File Management, Software Installation, Virtual Machines, System Configuration, Operating Systems
Beginner · Course · 1 - 4 Weeks

Whizlabs
Skills you'll gain: Amazon Web Services, Virtual Networking, Network Architecture, Virtual Private Networks (VPN), Cloud Infrastructure, Amazon Elastic Compute Cloud, Load Balancing, Network Routing, Hybrid Cloud Computing, Network Security, File Transfer Protocol (FTP), Data Migration
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Dashboard Creation, Data Modeling, Analytical Skills, Data Visualization, Analysis, Data Management, Business Reporting, Data Manipulation, Business Intelligence Software, Security Awareness
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: PyTorch (Machine Learning Library), Reinforcement Learning, Deep Learning, Artificial Neural Networks, Model Training, Machine Learning, Machine Learning Algorithms, Python Programming, Algorithms, Model Evaluation
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Control Panels, User Accounts, File Management, User Provisioning, System Configuration, Content Management, Application Deployment, Web Presence, Safety and Security, User Interface (UI)
★ 5 (17) · Mixed · Course · 1 - 4 Weeks

Erasmus University Rotterdam
Skills you'll gain: Sustainable Systems, Design Thinking, Sustainable Development, Sustainable Business, Human Centered Design, Land Management, Entrepreneurship, Product Development, Business Modeling, Innovation, Financial Analysis, Market Opportunities, Stakeholder Engagement, Ideation, Return On Investment, Stakeholder Management, Investments, Stakeholder Analysis, Experimentation, Customer Analysis
Beginner · Course · 1 - 3 Months

Skills you'll gain: Docker (Software), Containerization, Microservices, ASP.NET, Software Architecture, .NET Framework, Microsoft Visual Studio, Cloud-Native Computing, Restful API, C# (Programming Language), Software Development, Software Design Patterns, Scalability, Maintainability
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Prompt Engineering, Agentic Workflows, MongoDB, Retrieval-Augmented Generation, Vector Databases, Generative AI Agents, Scalability, Model Context Protocol, Context Engineering, Data Architecture, Systems Design, Tool Calling, System Design and Implementation, Development Environment, Embeddings, PostgreSQL, Database Design, Object-Relational Mapping, Data Modeling, SQL
Advanced · Course · 1 - 4 Weeks