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: Linux Administration, Linux, Linux Commands, File Systems, Linux Servers, Command-Line Interface, Operating System Administration, Ubuntu, Unix Commands, Red Hat Enterprise Linux, Network Troubleshooting, Shell Script, Data Storage, Unix, Systems Administration, TCP/IP, Data Storage Technologies, System Software, Systems Architecture, System Configuration
Beginner · Course · 1 - 4 Weeks

Universidad Nacional Autónoma de México
Skills you'll gain: R (Software), R Programming, Statistical Programming, Ggplot2, Plot (Graphics), Data Manipulation, Simulations, Statistical Software, Statistical Visualization, grep, Data Processing, Graphing, Programming Principles, Data Import/Export, Exploratory Data Analysis, Data Structures, Software Installation, Package and Software Management
Beginner · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Data Preprocessing, Applied Machine Learning, Data Processing, Dimensionality Reduction, Data Cleansing, Machine Learning Algorithms, Data Transformation, Machine Learning Methods, Artificial Neural Networks, Random Forest Algorithm, Artificial Intelligence and Machine Learning (AI/ML), Machine Learning, Unsupervised Learning, Supervised Learning, Classification Algorithms, Predictive Modeling, Python Programming
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Fine-tuning, Generative Model Architectures, Deep Learning, Autoencoders, Generative AI, Model Optimization, Artificial Neural Networks, Generative Adversarial Networks (GANs), Applied Machine Learning, Artificial Intelligence and Machine Learning (AI/ML), Model Training, Network Architecture, Model Evaluation, Anomaly Detection, Computer Vision, Predictive Modeling
Advanced · 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
Mixed · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Java Programming, Java, Object Oriented Programming (OOP), Computer Programming, Object Oriented Design, Development Environment, Programming Principles, Data Structures
Intermediate · Course · 1 - 4 Weeks
University of Michigan
Skills you'll gain: Mathematical Modeling, Mathematics and Mathematical Modeling, Systems Thinking, Strategic Decision-Making, Innovation, Diversity Awareness, Social Sciences, Predictive Modeling, Data-Driven Decision-Making, Social Studies, Strategic Thinking, Decision Making, Critical Thinking, Network Analysis, Economics, Economic Development, Probability, Probability & Statistics, Market Dynamics, Coordination
Intermediate · Course · 1 - 3 Months

Cisco Learning and Certifications
Skills you'll gain: Network Troubleshooting, Wireless Networks, Virtual Local Area Network (VLAN), Network Performance Management, Local Area Networks, Network Infrastructure, Network Administration, Network Architecture, Network Support, Network Monitoring, Network Planning And Design, System Configuration, TCP/IP, Command-Line Interface, Performance Tuning, Configuration Management, Package and Software Management, Scalability
Beginner · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Kubernetes, YAML, Cloud-Native Computing, Docker (Software), Containerization, Data Persistence, Multi-Cloud, Hardening, Scalability, DevOps, Prometheus (Software), Cloud Management, Microservices, Authorization (Computing), Cloud Platforms, Cloud Hosting, Application Deployment, Network Troubleshooting, AWS CloudFormation, Azure DevOps
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Linux Commands, Bash (Scripting Language), Shell Script, File Management, Unix Shell, Linux, File Systems, Unix Commands, Linux Servers, Scripting, Command-Line Interface, Linux Administration, Scripting Languages, Unix, File I/O, grep, Operating Systems, Package and Software Management, Network Protocols, Data Import/Export
Beginner · Course · 1 - 4 Weeks

Kennesaw State University
Skills you'll gain: Email Security, Personally Identifiable Information, Firewall, Threat Detection, Network Security, Cybersecurity, Cyber Attacks, Threat Management, Security Awareness, Security Software, Cloud Storage, Information Privacy, Data Security, Cloud Computing, Cloud Services, General Networking
Beginner · Course · 1 - 3 Months

British Standards Institution
Skills you'll gain: Risking, Statistical Methods, Data Ethics, Model Evaluation, Vulnerability Assessments, Statistical Hypothesis Testing, Performance Testing, Statistical Analysis, Decision Intelligence, Verification And Validation, Artificial Intelligence, Artificial Neural Networks, Supervised Learning, Ethical Standards And Conduct, Continuous Monitoring, Deep Learning, Artificial Intelligence and Machine Learning (AI/ML), Performance Analysis, Law, Regulation, and Compliance, Probability & Statistics
Intermediate · Specialization · 3 - 6 Months