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 Maryland, College Park
Skills you'll gain: Risk Management Framework, Threat Management, Cyber Risk, Risk Management, Security Management, MITRE ATT&CK Framework, Security Awareness, Threat Modeling, Operational Risk, Risk Analysis, Business Risk Management, Human Factors (Security), Risk Mitigation, Industrial and Organizational Psychology, Infrastructure Security, Culture Transformation, Cyber Security Strategy, Cyber Security Policies, Organizational Leadership, Organizational Effectiveness
Beginner · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Oracle Databases, Database Design, Database Theory, Database Management Systems, Relational Databases, Databases, Database Architecture and Administration, Data Storage, Transaction Processing, Diagram Design
Beginner · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Azure Active Directory, Cloud Infrastructure, Microsoft Azure, Virtual Machines, Infrastructure As A Service (IaaS), Role-Based Access Control (RBAC), Active Directory, Infrastructure Security, Virtual Networking, Multi-Factor Authentication, Cloud Storage, Virtualization, Identity and Access Management, Cloud Computing, Data Storage, Application Performance Management, Network Security, Disaster Recovery
Intermediate · Course · 1 - 3 Months

Amazon Web Services
Skills you'll gain: AWS Identity and Access Management (IAM), Amazon CloudWatch, Amazon Web Services, Serverless Computing, Amazon DynamoDB, Cloud Computing, Amazon S3, Scalability, Cloud Infrastructure, Event-Driven Programming, Cloud Storage, Solution Architecture, Cloud Computing Architecture, Data Migration, API Gateway, Amazon Elastic Compute Cloud, Public Cloud, Database Systems, Software Architecture, Cloud Security
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Cloud Deployment, Software Development Life Cycle, Open Web Application Security Project (OWASP), Containerization, Istio, Software Architecture, Node.JS, Application Deployment, Restful API, Kubernetes, Database Design, Cloud-Native Computing, Responsive Web Design, NoSQL, Git (Version Control System), Ajax, Grafana, Javascript, Azure DevOps, Engineering Software
Beginner · Professional Certificate · 3 - 6 Months
Johns Hopkins University
Skills you'll gain: Rmarkdown, Exploratory Data Analysis, Version Control, Statistical Analysis, R Programming, Data Manipulation, Data Cleansing, Data Science, Plot (Graphics), Statistical Programming, Statistical Visualization, Ggplot2, R (Software), Dimensionality Reduction, Data Visualization Software, Data Integration, Knitr, Data Sharing, GitHub, Machine Learning
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Incident Response, Digital Forensics, Distributed Denial-Of-Service (DDoS) Attacks, Security Information and Event Management (SIEM), Computer Security Incident Management, Incident Management, Endpoint Detection and Response, Continuous Monitoring, Event Monitoring, System Monitoring, Intrusion Detection and Prevention, Cyber Threat Intelligence, Cyber Threat Hunting, Anomaly Detection, Cybersecurity, Cyber Security Strategy, Threat Detection, Malware Protection, Cyber Attacks, Cyber Engineering
Intermediate · Course · 1 - 4 Weeks

Yonsei University
Skills you'll gain: TCP/IP, Network Protocols, Open Shortest Path First (OSPF), Network Routing, Cybersecurity, Network Security, General Networking, Intrusion Detection and Prevention, File Transfer Protocol (FTP), Dynamic Host Configuration Protocol (DHCP), Network Architecture, System Configuration, Network Analysis
Beginner · Course · 1 - 3 Months
Johns Hopkins University
Skills you'll gain: Shiny (R Package), Rmarkdown, Exploratory Data Analysis, Model Evaluation, Regression Analysis, Version Control, Statistical Analysis, R Programming, Data Manipulation, Data Cleansing, Data Science, Statistical Inference, Predictive Modeling, Statistical Hypothesis Testing, Machine Learning Algorithms, Plotly, Plot (Graphics), Interactive Data Visualization, Machine Learning, GitHub
Beginner · Specialization · 3 - 6 Months

Princeton University
Skills you'll gain: Blockchain, Cryptography, Cryptographic Protocols, Encryption, Payment Systems, FinTech, Key Management, Application Security, Digital Assets, Network Protocols, Transaction Processing, Data Storage, Distributed Computing, Emerging Technologies, Scripting, Financial Regulation, Market Dynamics
Mixed · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Intrusion Detection and Prevention, Threat Detection, Open Web Application Security Project (OWASP), Incident Response, Penetration Testing, Computer Security Incident Management, Metasploit, Distributed Denial-Of-Service (DDoS) Attacks, Cybersecurity, Threat Management, Data Security, Authentications, Cyber Attacks, Security Testing, Cloud Security, Security Strategy, Computer Security Awareness Training, Risk Management, Security Awareness, Enterprise Security
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: API Testing, Performance Testing, IT Security Architecture, Cloud-Based Integration, Application Security, Vulnerability Management, System Monitoring
Intermediate · Course · 1 - 4 Weeks