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.

Skills you'll gain: Prompt Engineering, Prompt Patterns, Retrieval-Augmented Generation, Large Language Modeling, AI Security, Agentic Workflows, Embeddings, Generative AI Agents, Vector Databases, Generative AI, Application Deployment, Context Management, Artificial Intelligence, AI Personalization, Knowledge Transfer, Prototyping, Test Tools, JSON, Systems Architecture, Continuous Monitoring
Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Docker (Software), Containerization, Application Deployment, Data Persistence, Software Development, Virtualization, Application Security, Virtual Networking, Virtualization and Virtual Machines, Command-Line Interface
★ 3.3 (9) · Beginner · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Infrastructure Security, Cyber Risk, Cyber Security Policies, Cyber Security Assessment, Cybersecurity, Security Management, Cyber Security Strategy, Risk Management Framework, Technology Roadmaps, Network Infrastructure, Transportation Operations, Mobile Security
★ 4.7 (260) · Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Ggplot2, Software Documentation, Open Source Technology, R (Software), Plot (Graphics), Tidyverse (R Package), Package and Software Management, Web Scraping, Data Manipulation, Data Visualization Software, Leaflet (Software), R Programming, Data Wrangling, Data Visualization, Data Preprocessing, Technical Documentation, Unit Testing, Data Cleansing, Object Oriented Programming (OOP), Object Oriented Design
★ 4.2 (1.5K) · Beginner · Specialization · 3 - 6 Months

University of Colorado System
Skills you'll gain: Disaster Recovery, Security Management, IT Management, System Monitoring, Cyber Security Policies, Enterprise Security, Security Strategy, Systems Administration, Operating System Administration, Security Controls, Patch Management, Continuous Monitoring, Information Systems Security, Unix
★ 4.7 (233) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Data Architecture, Data Lakes, Data Engineering, Decision Intelligence, Database Architecture and Administration, Data Infrastructure, Systems Architecture, Data Warehousing, Enterprise Architecture, Solution Architecture, Dataflow, Data Pipelines, Data Governance, AI Workflows, AI Integrations, Vector Databases, Data Integrity, Site Reliability Engineering, Responsible AI, Requirements Analysis
Intermediate · Course · 1 - 3 Months

Duke University
Skills you'll gain: Bayesian Statistics, Statistical Hypothesis Testing, Statistical Modeling, Statistical Methods, Statistical Inference, Statistical Programming, Statistical Analysis, Probability & Statistics, Regression Analysis, Data Analysis, R Programming, Statistical Software, Probability, Analysis, Data-Driven Decision-Making, Predictive Modeling, Model Evaluation, Probability Distribution
★ 3.8 (801) · Intermediate · Course · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: Prompt Engineering, Large Language Modeling, Prompt Patterns, Database Design, LLM Application, Database Development, Software Documentation, Software Design Patterns, Vibe coding, Databases, Collaborative Software, Software Testing, OpenAI API, Application Design, Technical Documentation, AI Integrations, Generative AI, Software Engineering, Software Development, Machine Learning
★ 4.6 (841) · Beginner · Professional Certificate · 1 - 3 Months

Skills you'll gain: Unified Modeling Language, Data Modeling, Data Structures, Scripting, Object Oriented Design, Object Oriented Programming (OOP), Diagram Design, Scripting Languages, Software Visualization, Program Development, Python Programming, Software Design, Data Management, Computer Programming, Software Engineering
★ 4.4 (35) · Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Model Evaluation, Predictive Modeling, Machine Learning Algorithms, Model Training, Machine Learning Methods, Feature Engineering, Supervised Learning, Machine Learning Software, Classification And Regression Tree (CART), Predictive Analytics, Applied Machine Learning, Data Preprocessing, R Programming, Classification Algorithms, Machine Learning, Random Forest Algorithm, Regression Analysis
★ 4.5 (3.3K) · Mixed · Course · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: Salesforce, Sales Enablement, Data Management, Sales Process, Sales Development, Stakeholder Engagement, Customer Relationship Management (CRM) Software, Marketing Automation, Customer Relationship Management, Data Security, Security Management, Customer Engagement, User Accounts, Customer Success Management, Marketing Management, Cloud-Based Integration, Customer Communications Management, Account Management, Automation, Business Reporting
★ 4.2 (221) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Networking Hardware, OSI Models, Network Architecture, Network Protocols, General Networking, Network Security, TCP/IP, Computer Networking, Cloud Technologies, Network Infrastructure, Network Administration, Local Area Networks, Cloud Platforms, Network Planning And Design, Routing Protocols, Cloud Infrastructure, Virtual Private Networks (VPN), Cloud Services, Telecommunications, Wireless Networks
★ 4.4 (14) · Intermediate · Course · 1 - 3 Months