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 Servers, Linux Administration, Command-Line Interface, Bash (Scripting Language), Apache, Performance Tuning, Operating System Administration, Linux Commands, Web Servers, Server Administration, System Monitoring, Virtualization, Network Administration, Virtual Machines, System Configuration, File Management, Software Installation, Package and Software Management
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Cloud Storage, Data Storage Technologies, Disaster Recovery, Data Security, Data Storage, Google Cloud Platform, Data Management, Security Controls
Beginner · Project · Less Than 2 Hours

Skills you'll gain: System Monitoring, Google Workspace, Cloud Management, Endpoint Security, Network Troubleshooting, Security Management, Cloud Applications, Application Deployment, Compliance Auditing, Incident Management, Data Security, Configuration Management, User Provisioning, Taking Meeting Minutes, Annual Reports
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Unit Testing, Software Testing, Test Case, .NET Framework, CI/CD, Test Script Development, Test Driven Development (TDD), Testability, Test Data, Test Automation, Microsoft Visual Studio
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cloud-Native Computing, Enterprise Architecture, CI/CD, Cloud Applications, Unified Modeling Language, Microservices, Cloud Infrastructure, Cloud Computing, Docker (Software), Data Modeling, Requirements Analysis, Software Systems, Architectural Design, Software Development Life Cycle, Stakeholder Engagement, Application Programming Interface (API), Database Design, Database Management, Data Governance, SQL
Advanced · Course · 1 - 3 Months

Skills you'll gain: Network Troubleshooting, Linux Administration, Linux Servers, Linux, Dynamic Host Configuration Protocol (DHCP), General Networking, Network Protocols, Network Infrastructure, TCP/IP, Network Administration, Ubuntu, Red Hat Enterprise Linux, Servers, System Configuration, Command-Line Interface, YAML
Intermediate · Course · 1 - 4 Weeks

University of Maryland, College Park
Skills you'll gain: Data Integration, Data Ethics, R Programming, Surveys, Informed Consent, Statistical Methods, Statistical Analysis, Sampling (Statistics), Regression Analysis, Descriptive Statistics, Logistic Regression
Mixed · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Business Continuity Planning, Risk Mitigation, Risk Management, Risk Analysis, Threat Management, IT Management, Vulnerability Management, Business Risk Management, Enterprise Risk Management (ERM), Disaster Recovery, Governance Risk Management and Compliance, Risk Control, Operational Risk, Cybersecurity, Incident Response, Emerging Technologies, Compliance Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cloud Security, Data Loss Prevention, Google Cloud Platform, Data Access, Cloud Storage, Data Security, Data Management, Cloud Computing, Personally Identifiable Information, Unstructured Data
Beginner · Project · Less Than 2 Hours

Packt
Skills you'll gain: Penetration Testing, Cyber Security Assessment, Vulnerability Assessments, Data Security, Cybersecurity, Exploitation techniques, Test Tools, User Requirements Documents, Authorization (Computing), Technical Documentation, Computing Platforms, Requirements Analysis, Technical Communication
Intermediate · Course · 1 - 3 Months

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

Pontificia Universidad Católica de Chile
Skills you'll gain: Electrical Engineering, Basic Electrical Systems, Electronic Components, Network Analysis, Electronics, Engineering Analysis, Differential Equations, Schematic Diagrams, Mathematical Modeling, Simulation and Simulation Software
Intermediate · Course · 1 - 4 Weeks