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: Java Platform Enterprise Edition (J2EE), Scripting Languages, Scripting, Java, Java Programming, Server Side, Web Applications, Web Components
★ 4.7 (94) · Intermediate · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: Natural Language Processing, Recurrent Neural Networks (RNNs), Large Language Modeling, Artificial Neural Networks, Deep Learning, Tensorflow, Text Mining, Embeddings, Generative Model Architectures, Machine Learning Methods, Model Training, Network Architecture
★ 4.5 (1.2K) · Intermediate · Course · 1 - 4 Weeks

Kennesaw State University
Skills you'll gain: Risk Management, Security Management, Risk Management Framework, Threat Management, Enterprise Risk Management (ERM), Business Risk Management, Risk Mitigation, Risk Analysis, Asset Protection, Continuous Improvement Process
★ 4.9 (47) · Beginner · Course · 1 - 3 Months

Case Western Reserve University
Skills you'll gain: Trial Preparation, Court Systems, Legal Proceedings, International Relations, Legal Strategy, Diplomacy, Law, Regulation, and Compliance, Public Safety and National Security, World History, Case Studies
★ 4.8 (4K) · Mixed · Course · 1 - 3 Months
University of Michigan
Skills you'll gain: Relationship Building, Growth Mindedness, Action Oriented, Goal-Oriented, Personal Development, Self-Motivation, Positivity, Goal Setting, Conscientiousness, Resilience, Persistence, Overcoming Obstacles, Planning, Learning Strategies, Social Network Analysis
★ 4.8 (2.9K) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Project Schedules, Scheduling, Resource Allocation, Resource Utilization, Estimation, Project Controls, Project Estimation, Resource Planning, Process Flow Diagrams, Timelines, Resource Management, Project Planning, Planning, Time Management, Project Management, Project Performance, Dependency Analysis, Network Performance Management, Application Performance Management
Mixed · Course · 1 - 3 Months

University of California, Davis
Skills you'll gain: Network Analysis, Social Network Analysis, Data Wrangling, Natural Language Processing, Web Scraping, Data Cleansing, Social Sciences, Data Ethics, Databases, Artificial Intelligence, Research, Social Media Analytics, Simulations, Data Processing, Text Mining, Big Data, Applied Machine Learning, Systems Thinking, Data Science, Agentic systems
★ 4.6 (1.3K) · Beginner · Specialization · 3 - 6 Months

Total Seminars
Skills you'll gain: Responsible AI, Shell Script, Bash (Scripting Language), Unix Shell, Linux Administration, Version Control, Ansible, Configuration Management, Linux Commands, Network Troubleshooting, Git (Version Control System), Hardware Troubleshooting, Linux Servers, Linux, System Configuration, Software Configuration Management, Devops Tools, Scripting, Automation, Python Programming
Intermediate · Course · 1 - 4 Weeks
University of Michigan
Skills you'll gain: Matplotlib, Data Visualization, Plot (Graphics), Data Visualization Software, Interactive Data Visualization, Statistical Visualization, Data Presentation, Data Literacy, Graphing, Graphic and Visual Design, Data Manipulation, Python Programming
★ 4.5 (6.3K) · Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: TCP/IP, Network Protocols, Routing Protocols, Dynamic Host Configuration Protocol (DHCP), Network Security, Network Routing, Software-Defined Networking, Virtualization
★ 4.7 (760) · Mixed · Course · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: Model Evaluation, Deep Learning, Statistical Analysis, Clinical Trials, Feature Engineering, Data Preprocessing, Classification And Regression Tree (CART), Risk Modeling, Statistical Methods, Treatment Planning, Data Analysis, Precision Medicine, Convolutional Neural Networks, Decision Tree Learning, Predictive Modeling, Applied Machine Learning, Image Analysis, Statistical Machine Learning, Diagnostic Radiology, Machine Learning
★ 4.7 (2.5K) · Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Unsupervised Learning, Exploratory Data Analysis, Feature Engineering, Dimensionality Reduction, Supervised Learning, Classification Algorithms, Regression Analysis, Scikit Learn (Machine Learning Library), Machine Learning Algorithms, Statistical Methods, Data Preprocessing, Applied Machine Learning, Model Evaluation, Statistical Inference, Predictive Modeling, Machine Learning Methods, Statistical Hypothesis Testing, Model Training, Data Processing, Machine Learning
★ 4.6 (3.4K) · Intermediate · Specialization · 3 - 6 Months