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 Colorado Boulder
Skills you'll gain: Bayesian Network, Bayesian Statistics, Markov Model, Probability, Decision Intelligence, Reinforcement Learning, Machine Learning Methods, Artificial Intelligence, Statistical Inference, Statistical Modeling, Network Model, Forecasting, Probability & Statistics, Dependency Analysis, Statistical Methods, Agentic systems, Applied Machine Learning, Probability Distribution, Time Series Analysis and Forecasting, Sampling (Statistics)
Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Systems Engineering, Requirements Analysis, Requirements Elicitation, Systems Development Life Cycle, Systems Development, Configuration Management, Engineering Management, Project Risk Management, Waterfall Methodology, Functional Requirement, Systems Analysis, Project Management, Risk Management, Systems Architecture, System Requirements
★ 4.6 (8) · Intermediate · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Exploitation techniques, Vulnerability Scanning, Cyber Security Assessment, Active Directory, Security Testing, Web Applications, Microsoft Windows, Bash (Scripting Language), Apache Tomcat, Scripting, Microsoft SQL Servers
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Content Scheduling, Blogs, Social Media Content, Social Media Management, Facebook, Social Media, Instagram, Social Media Marketing, Marketing Automation, Owned Media, User Accounts, Web Presence, Advertising, Marketing
★ 4.8 (13) · Intermediate · Guided Project · Less Than 2 Hours

John Wiley & Sons
Skills you'll gain: Change Management, Requirements Management, Project Management, Organizational Change, Plan Execution, Project Implementation, Scope Management, Project Management Office (PMO), Project Controls, Project Management Life Cycle, Program Management, Project Performance, Project Portfolio Management, Project Scoping, Quality Management, Earned Value Management, Risk Management, Leadership, Business, Team Building
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Load Balancing, Google Cloud Platform, Virtual Machines, Cloud Engineering, Amazon Elastic Compute Cloud, Amazon Web Services, Public Cloud, Cloud Infrastructure, Cloud Platforms, Virtual Networking, Cloud Deployment, Network Routing, Firewall
★ 4.6 (7) · Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Stakeholder Communications, Campaign Management, Campaign Planning, Promotions and Campaigns, Smart Goals, Email Marketing, Marketing Effectiveness, Goal Setting, Strategic Marketing, Communication, Strategic Thinking, Strategic Planning, Performance Measurement, Performance Metric, Business Priorities
Beginner · Course · 1 - 4 Weeks

University of Pittsburgh
Skills you'll gain: Data Storytelling, Interactive Data Visualization, Data Presentation, Plot (Graphics), Data Visualization Software, Spatial Data Analysis, Datamaps, Data Visualization, Tableau Software, Leaflet (Software), Spatial Analysis, Network Model, Dashboard Creation, Dashboard, Matplotlib, Seaborn, Geospatial Information and Technology, Time Series Analysis and Forecasting, Network Analysis, Geospatial Mapping
Intermediate · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Regression Analysis, Statistical Hypothesis Testing, Statistical Analysis, Probability & Statistics, Statistical Methods, Statistical Programming, Probability Distribution, Data Analysis, Statistical Software, Markov Model, Data Science, Statistical Modeling, Statistics, Statistical Inference, Probability, Correlation Analysis, R Programming
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Keras (Neural Network Library), Tensorflow, Artificial Neural Networks, Deep Learning, Model Training, Data Preprocessing, Model Optimization, Model Evaluation, Predictive Modeling, Data Processing, Development Environment, Predictive Analytics, Project Performance, Design, Software Installation
★ 4.6 (17) · Mixed · Course · 1 - 4 Weeks

IBM
Skills you'll gain: Data Storytelling, Data Mining, Data Science, Data-Driven Decision-Making, Business Analytics, Big Data, Digital Transformation, Analytics, Regression Analysis, Apache Hadoop, Machine Learning, Deep Learning, Cloud Computing
★ 4.5 (21) · Beginner · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: Federated Learning, Fine-tuning, AI Security, Large Language Modeling, PyTorch (Machine Learning Library), Model Optimization, Information Privacy, LLM Application, Model Training, Distributed Computing, Machine Learning
★ 4.5 (16) · Beginner · Project · Less Than 2 Hours