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.

Johns Hopkins University
Skills you'll gain: Ggplot2, Data Visualization Software, Data Visualization, Datamaps, Visualization (Computer Graphics), Interactive Data Visualization, Scatter Plots, Histogram, Graphic and Visual Design, R Programming, Geospatial Mapping
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Prompt Engineering, Generative AI, Retrieval-Augmented Generation, Generative Model Architectures, ChatGPT, Generative Adversarial Networks (GANs), Responsible AI, Tool Calling, Context Management, Data Ethics, Large Language Modeling, Artificial Intelligence
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Open Web Application Security Project (OWASP), Secure Coding, Distributed Denial-Of-Service (DDoS) Attacks, Application Security, Security Testing, Authorization (Computing), Authentications, Data Validation, Encryption, Security Controls, Data Security, Vulnerability Scanning, Role-Based Access Control (RBAC), Verification And Validation, Intrusion Detection and Prevention, Database Application, Security Awareness, Cybersecurity, Web Servers, Web Development Tools
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Incident Response, Computer Security Incident Management, Incident Management, Intrusion Detection and Prevention, Threat Detection, Event Monitoring, Threat Management, Security Information and Event Management (SIEM), Security Management, Cyber Threat Intelligence, Continuous Monitoring, Document Management, Cybersecurity, Technical Documentation, NIST 800-53
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Dashboard, Data Preprocessing, Apache Airflow, Star Schema, Data Storytelling, Process Mapping, Extract, Transform, Load, Data Transformation, SQL, Data Pipelines, JSON, Apache Kafka, Data Warehousing, Data Modeling, Pandas (Python Package), Business Intelligence, Data Validation, Data Quality, Performance Improvement, Python Programming
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Remote Access Systems, TCP/IP, Network Protocols, System Programming, Operating Systems, Hardware Architecture, Performance Tuning, Computer Hardware
Intermediate · Course · 1 - 3 Months

King Abdullah University of Science and Technology
Skills you'll gain: Statistical Analysis, Bioinformatics, Unix, Scientific Visualization, R Programming, Rmarkdown, Unix Commands, Data Analysis, Data Quality, Statistical Hypothesis Testing, Exploratory Data Analysis, Pandas (Python Package), Python Programming, NumPy, Data Manipulation
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Software Testing, Software Technical Review, Test Planning, Code Review, Software Quality Assurance, Verification And Validation, Requirements Analysis, Technical Communication
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Kubernetes
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Network Architecture, Routing Protocols
Beginner · Course · 1 - 3 Months

Università di Napoli Federico II
Skills you'll gain: Market Liquidity, Financial Market, Portfolio Management, Securities Trading, Investments, Securities (Finance), Equities, Portfolio Risk, Financial Trading, Capital Markets, Finance, Market Dynamics, Risk Analysis, Economics, Fixed Asset, Market Data, Derivatives, Technical Analysis, Statistical Methods, Financial Modeling
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Routing Protocols, Software-Defined Networking, Wide Area Networks, Virtual Networking, Network Troubleshooting, Open Shortest Path First (OSPF), Network Routing, Network Architecture, Network Monitoring, Network Planning And Design, Computer Networking, Virtual Private Networks (VPN), Border Gateway Protocol, Network Performance Management, Network Security, Network Administration, Firewall, Network Infrastructure, Amazon Web Services, Cloud Deployment
Beginner · Specialization · 1 - 3 Months