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.

LearnQuest
Skills you'll gain: Teradata SQL, SQL, Data Store, Database Design, Database Management, Relational Databases, Query Languages, Data Analysis
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Executive Presence, Leadership, Influencing, Leadership and Management, Business Leadership, Stakeholder Management, Storytelling, Strategic Leadership, Strategic Communication, Communication, Empathy, Relationship Building
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Hardware Troubleshooting, Computer Hardware, Computer Architecture, Desktop Support, Data Storage Technologies, System Configuration, USB, Peripheral Devices, System Support
Beginner · Course · 1 - 3 Months

Skills you'll gain: Medical Billing, ICD Coding (ICD-9/ICD-10), Medical Coding, CPT Coding, Revenue Cycle Management, Health Information Management and Medical Records, Medical Records, Billing, System Monitoring, Site Reliability Engineering, Ansible, Root Cause Analysis, Business Continuity Planning, Vulnerability Management
Beginner · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Prompt Engineering, Vibe coding, Debugging, Large Language Modeling, LLM Application, AI Security, Application Programming Interface (API), Responsible AI, Development Environment, AI Enablement, Integrated Development Environments, API Testing, Application Development, Application Security
Beginner · Course · 1 - 4 Weeks

Tecnológico de Monterrey
Skills you'll gain: Social Media Strategy, Social Media, Social Media Marketing, Content Marketing, Plan Execution, Performance Measurement, Marketing Strategies, Content Strategy, Campaign Management, Marketing, Communication Strategies, Goal Setting, Customer Engagement
Mixed · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Overcoming Objections, Rapport Building, Sales, Sales Strategy, Negotiation, Contract Negotiation, Relationship Building, Price Negotiation, Sales Presentation, Communication, Communication Strategies, Intercultural Competence, Virtual Teams, Business Research, Active Listening, Market Research, Empathy & Emotional Intelligence, Marketing Psychology, Digital Communications, Goal Setting
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Disaster Recovery, Server Administration, Windows Servers, Servers, Network Troubleshooting, Linux Servers, Virtualization, Hardware Troubleshooting, Operating System Administration, Virtual Machines, IT Automation, Remote Access Systems, Security Controls, Networking Hardware, System Support, Computer Hardware, Data Storage, Data Security
Intermediate · Course · 1 - 4 Weeks

Amazon Web Services
Skills you'll gain: Root Cause Analysis, Customer Relationship Building, Customer Relationship Management, Problem Management, Verbal Communication Skills, Customer Support, Amazon Web Services, Communication, Cloud Solutions, Technical Support, Cloud Security, Cloud Services, Automation, Collaboration, Incident Management, Generative AI, Innovation
Beginner · Course · 1 - 4 Weeks

Universidad de los Andes
Skills you'll gain: Unified Modeling Language, Software Visualization, Diagram Design, Software Design, Object Oriented Design, Requirements Analysis
Beginner · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Reinforcement Learning, Responsible AI, Agentic systems, Artificial Intelligence, Machine Learning Methods, Distributed Computing, Simulations, Transfer Learning
Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Semiconductors, Manufacturing Standards, Production Process, Manufacturing Operations, Electronics Engineering, Manufacturing Processes, Electronics, Process Control, Process Engineering, Chemical Engineering, Materials science, Infrastructure Security, Security Controls, Network Infrastructure, Analysis
Intermediate · Course · 1 - 4 Weeks