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.

Amazon Web Services
Skills you'll gain: Infrastructure as Code (IaC), AWS CloudFormation, IT Automation, Scripting, Bash (Scripting Language), Amazon Web Services, Command-Line Interface, Configuration Management, Amazon Elastic Compute Cloud, Automation, Shell Script, Scripting Languages, Continuous Monitoring, Cloud Management, Continuous Integration, Software Testing
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Migration, Cloud Storage, Data Management, Data Integration, Data Storage, Data Infrastructure, Data Storage Technologies, Data Compilation, Data Architecture, Cloud Services, Data Security, File Systems, Data Loss Prevention
Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Application Security, Vulnerability Assessments, Software Design, Threat Modeling, Vulnerability Management, Security Engineering, Secure Coding, Software Design Patterns, Software Architecture, Threat Management, Software Visualization, Exploitation techniques, Cryptography, Blockchain, Public Key Cryptography Standards (PKCS)
Intermediate · Course · 1 - 3 Months
Duke University
Skills you'll gain: Responsible AI, Large Language Modeling, Generative AI, Data Ethics, Artificial Intelligence, Generative Model Architectures, Model Evaluation, Python Programming, Applied Machine Learning, Image Analysis, Machine Learning Methods, Machine Learning, Scientific Visualization, Deep Learning, Artificial Neural Networks
Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Change Management, Scaled Agile Framework, Organizational Change, Culture Transformation, Organizational Development, Agile Methodology, Leadership Studies, Business Transformation, Scalability, Organizational Strategy, Case Studies
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Sales, Sales Strategy, Sales Training, Sales Enablement, Marketing Automation, Sales Management, Sales Pipelines, Selling Techniques, Social Media Marketing, Lead Generation, Social Media, Social Media Campaigns, Customer Relationship Management (CRM) Software, Storytelling, Persona Development, Global Marketing, Target Audience, Trend Analysis, Competitive Intelligence, Benchmarking
Beginner · Specialization · 1 - 3 Months

Scrimba
Skills you'll gain: TypeScript, React.js, Server Side, Javascript, Data Structures, Web Development, Middleware, Scalability, Web Design, Computer Programming, Maintainability
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, Business Workflow Analysis, Business Process Automation, AI Workflows, Agentic Workflows, Prompt Engineering Tools, Generative AI Agents, AI Integrations, AI Orchestration, Automation, Model Deployment, AI Enablement, Performance Measurement, Generative AI, No-Code Development, Decision Intelligence, Process Optimization, System Monitoring, Scalability, Performance Analysis
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Blogs, Content Performance Analysis, Google Analytics, Web Analytics, Promotional Strategies, Customer Engagement, Social Media Marketing, Social Media Analytics, Social Media, Customer Relationship Building, Content Marketing, Content Creation, Content Management Systems, Marketing
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Distributed Denial-Of-Service (DDoS) Attacks, Metasploit, Penetration Testing, Exploitation techniques, Cyber Operations, Brute-force attacks, Intrusion Detection and Prevention, Network Security, Dynamic Host Configuration Protocol (DHCP), Network Routing, Remote Access Systems, Network Protocols, Command-Line Interface, Network Analysis, Data Persistence
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Medical Billing, Medical Billing and Coding, Claims Processing, Revenue Cycle Management, Medical Office Procedures, Clinical Documentation, Medical Coding, Billing & Invoicing, CPT Coding
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Penetration Testing, Vulnerability Scanning, Cyber Security Assessment, Vulnerability Assessments, MITRE ATT&CK Framework, Security Testing, Payment Card Industry (PCI) Data Security Standards, NIST 800-53, Network Analysis, General Data Protection Regulation (GDPR), Cloud Computing
Intermediate · Course · 1 - 4 Weeks