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: Performance Tuning, Operational Databases, Database Administration, Data Loss Prevention, Data Security, Debugging, Scripting Languages
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Instagram, Email Marketing, Email Automation, Lead Generation, Marketing Automation, Google Sheets, Social Media, Social Media Marketing, Digital Marketing, Gmail
Beginner · Guided Project · Less Than 2 Hours

University of Colorado Boulder
Skills you'll gain: Network Performance Management, Policy Development, Policy Analysis, Public Policies, Economics, Policy, and Social Studies, Business Economics, Socioeconomics, digital literacy, Telecommunications, Regulation and Legal Compliance, Technical Writing
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Scientific Visualization, Data Visualization Software, Data Visualization, Visualization (Computer Graphics), Interactive Data Visualization, Computer Displays, Data Presentation, Time Series Analysis and Forecasting, Display Devices, Scalability, Data Validation, Computer Graphics, 3D Modeling, Medical Imaging, X-Ray Computed Tomography, Magnetic Resonance Imaging
Intermediate · Course · 1 - 3 Months

Digital Marketing Institute
Skills you'll gain: Digital Marketing, Social Media Marketing, Marketing Channel, Digital Media Strategy, Marketing Automation, Marketing Strategy and Techniques, Social Media Strategy, Digital Advertising, Email Marketing, Content Marketing, Search Engine Optimization, Marketing Communications, E-Commerce, Customer Relationship Management (CRM) Software, Demand Generation, Marketing Analytics, Customer Service, Web Applications
Beginner · Course · 1 - 4 Weeks

Pearson
Skills you'll gain: Virtualization, Dynamic Host Configuration Protocol (DHCP), Virtualization and Virtual Machines, Linux Administration, Linux Servers, Network Administration, Virtual Machines, Linux, Network Architecture, Information Technology, Virtual Environment, System Configuration, Command-Line Interface
Intermediate · Course · 1 - 4 Weeks

Cisco Learning and Certifications
Skills you'll gain: Network Planning And Design, Network Engineering, Computer Networking, Network Administration, Border Gateway Protocol, Network Troubleshooting, Network Performance Management, Scalability
Beginner · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Collaborative Software, Looker (Software), Data Visualization, Data Presentation, User Accounts, Security Controls, Scheduling, Authorization (Computing), Management Reporting, Customer Support, Administration, Data Sharing, Auditing
Intermediate · Course · 1 - 3 Months
Skills you'll gain: Responsible AI, Data Ethics, Google Gemini, Marketing Analytics, Generative AI, AI Enablement, Governance, AI Security, Sales Strategy, Customer Insights, Marketing Strategies, ChatGPT, Persona Development, Marketing Effectiveness, Social Media Campaigns, Forecasting, Automation, Analysis, Process Optimization, Visualization (Computer Graphics)
Intermediate · Course · 1 - 3 Months

Pearson
Skills you'll gain: Deep Learning, Convolutional Neural Networks, PyTorch (Machine Learning Library), Recurrent Neural Networks (RNNs), Keras (Neural Network Library), Artificial Neural Networks, Machine Learning Methods, Artificial Intelligence and Machine Learning (AI/ML), Transfer Learning, Tensorflow, Python Programming, Data Preprocessing, Network Architecture, Classification Algorithms, Model Evaluation, Regression Analysis
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Restful API, API Design, Application Programming Interface (API), Virtual Environment, Python Programming, User Accounts, Application Security, Encryption, Data Modeling
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Object Oriented Programming (OOP), Object Oriented Design, Electronic Components, C and C++, C++ (Programming Language), Embedded Software, Hardware Troubleshooting, Program Development, Maintainability, Debugging, Development Environment
Intermediate · Course · 1 - 3 Months