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 System
Skills you'll gain: Local Area Networks, Network Protocols, Computer Networking, TCP/IP, Network Performance Management, OSI Models, Wireless Networks, Telecommunications, Network Analysis, Data Integrity
Mixed · Course · 1 - 3 Months

Coursera
Skills you'll gain: Mitigation, Risk Modeling, Analysis, Personally Identifiable Information, Accountability, Data Ethics, Automation
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Rmarkdown, Version Control, Data Science, R (Software), GitHub, Data Literacy, Data Analysis, R Programming, Statistical Programming, Exploratory Data Analysis, Software Installation
Mixed · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: Transfer Learning, Deep Learning, Artificial Intelligence and Machine Learning (AI/ML), Applied Machine Learning, Machine Learning, Debugging, AI Product Strategy, Model Evaluation, Data-Driven Decision-Making, AI Workflows, Performance Tuning
Beginner · Course · 1 - 4 Weeks

University of London
Skills you'll gain: Responsive Web Design, Cascading Style Sheets (CSS), JSON, HTML and CSS, Ajax, Web Content Accessibility Guidelines, Javascript, Web Design, Semantic Web, Usability, Web Applications, Web Development, Web Content, Usability Testing, Interactive Design, Data Structures, Application Frameworks, Network Protocols, Data Ethics, Animations
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Data Ethics, Business Ethics, Responsible AI, Ethical Standards And Conduct, Sustainable Development, Law, Regulation, and Compliance, Data Security, Medical Privacy, Information Privacy, Artificial Intelligence and Machine Learning (AI/ML), Decision Making, Business Leadership, Artificial Intelligence, Accountability, Business Strategy, Safety and Security, Emerging Technologies, Human Centered Design
Mixed · Course · 1 - 3 Months

Skills you'll gain: Power BI, Dashboard, SQL, Microsoft SQL Servers, Data Security, Data Analysis, Data Visualization Software, Data Modeling, Data Management, Role-Based Access Control (RBAC)
Beginner · Course · 1 - 4 Weeks

University at Buffalo
Skills you'll gain: Model Based Systems Engineering, Peer Review, Programmable Logic Controllers, Systems Engineering, Product Lifecycle Management, Intrusion Detection and Prevention, Security Controls, Performance Measurement, Collaborative Software, Control Systems, Continuous Monitoring, Anomaly Detection, Machine Controls, Incident Response, Digital Transformation, Vulnerability Assessments, Software Development Life Cycle, Production Process, Cybersecurity, Manufacturing Operations
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: SAP Analytics Cloud, Data Access, Data Modeling, Real Time Data, Stored Procedure, Data Warehousing, Database Development, Data Security, Data Integration, SAP Applications, SQL, Predictive Analytics, Business Reporting, Scripting
Intermediate · Course · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: Natural Language Processing, Markov Model, Embeddings, Text Mining, Data Preprocessing, Artificial Neural Networks, Machine Learning Methods, Algorithms, Statistical Modeling, Probability & Statistics
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Bioinformatics, Unix Commands, Biostatistics, Exploratory Data Analysis, Statistical Analysis, Unix, Data Science, Data Management, Statistical Methods, Command-Line Interface, Statistical Hypothesis Testing, Linux Commands, Data Analysis Software, Data Quality, Data Structures, Data Analysis, Computer Science, Molecular Biology, R Programming, Python Programming
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Disaster Recovery, Server Administration, Windows Servers, Servers, Network Troubleshooting, Linux Servers, Virtualization, Hardware Troubleshooting, Operating System Administration, Virtual Machines, IT Automation, Remote Access Systems, Security Controls, Networking Hardware, System Support, Computer Hardware, Data Storage, Data Security
Intermediate · Course · 1 - 4 Weeks