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: Canva (Software), Photo Editing, Instagram, Social Media Content, Social Media, Content Creation, Social Media Marketing, Photography, User Accounts, Dashboard, Graphic Design
Beginner · Guided Project · Less Than 2 Hours

Board Infinity
Skills you'll gain: Apple iOS, Apple Xcode, iOS Development, Core Data (Software), Secure Coding, Application Deployment, Scalability, Swift Programming, Performance Tuning, Application Security, Debugging, Application Performance Management, Application Programming Interface (API), Performance Testing, Encryption, JSON
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: AI Workflows, AI Orchestration, Agentic Workflows, AI Security
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Shell Script, User Accounts, Linux Administration, Linux, Unix Shell, Linux Commands, Unix, Operating System Administration, File Systems, Performance Tuning, Systems Administration, Scripting, File Management, Data Storage, Authorization (Computing), Command-Line Interface, Operating Systems, System Monitoring
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Kubernetes, Docker (Software), Microservices, Application Deployment, Cloud Deployment, Containerization, Cloud Computing, Google Cloud Platform, Network Analysis
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Kubernetes, Containerization, Cloud Infrastructure, Google Cloud Platform, Cloud Computing Architecture, Docker (Software), Infrastructure Architecture, Cloud Computing, Cloud Management, Application Deployment, Systems Architecture, YAML, Scalability
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Target Audience, Facebook, Social Media, Persona Development, Social Media Marketing, Social Media Strategy, Customer Insights, Presentations, Web Analytics, Marketing Budgets
Intermediate · Guided Project · Less Than 2 Hours

University of Pittsburgh
Skills you'll gain: Data Storytelling, Interactive Data Visualization, Data Visualization Software, Data Presentation, Data Visualization, Tableau Software, Matplotlib, Geospatial Information and Technology, Spatial Analysis, Geospatial Mapping, Visualization (Computer Graphics), Seaborn, Infographics, Heat Maps, Data Ethics, Text Mining, Data Mapping, Network Analysis
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Network Troubleshooting, Network Administration, Software Installation, System Configuration, Servers, Virtual Machines
Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: R Programming, Statistical Programming, Statistical Analysis, Data Analysis Software, Debugging, Software Installation, Simulations, Integrated Development Environments, Programming Principles, Data Manipulation, Program Development, Data Import/Export, Performance Tuning, File I/O
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Frontend Performance, Restful API
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Online Advertising, Performance marketing, Social Media Marketing, Social Media Strategy, Customer Engagement, Customer Insights
Beginner · Course · 1 - 4 Weeks