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: Fraud detection, Reconciliation, Variance Analysis, Loss Prevention, Internal Controls, Asset Protection, Accounting Records, Financial Statement Analysis, Financial Controls, Financial Statements, Investigation
Beginner · Course · 1 - 4 Weeks

Yonsei University
Skills you'll gain: Augmented Reality, Augmented and Virtual Reality (AR/VR), Live Streaming, Multimedia, Emerging Technologies, Market Analysis, Photo/Video Production and Technology, Network Routing, Cloud Services, Network Protocols, Cloud Computing, Application Development, Image Analysis, Computer Vision, Business Modeling, Content Management
Beginner · Course · 1 - 3 Months

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

University of California, Santa Cruz
Skills you'll gain: Systems Design, Model Based Systems Engineering, Simulation and Simulation Software, Cyber Engineering, Mathematical Modeling, Simulations, Network Model, Embedded Systems, Systems Analysis, Computational Logic, Digital Communications, Differential Equations
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Data Security, Cybersecurity, Cyber Attacks, Data Ethics, Computer Security, Authentications, Cryptography, Information Assurance, Cyber Security Policies, Authorization (Computing), Security Software, Security Controls, Cyber Security Assessment, Information Privacy, Encryption, Data Access, Security Awareness, Risk Analysis, Problem Solving, Communication
Build toward a degree
Beginner · Course · 1 - 3 Months

Skills you'll gain: Incident Response, Computer Security Incident Management, Incident Management, Threat Detection, Event Monitoring, Threat Management, Security Information and Event Management (SIEM), Document Management, Cybersecurity, NIST 800-53
Beginner · Course · 1 - 4 Weeks

Cisco Learning and Certifications
Skills you'll gain: Network Troubleshooting, Wireless Networks, Network Architecture, Network Security, Local Area Networks, Network Planning And Design, Threat Management, Network Infrastructure, Virtual Local Area Network (VLAN), Vulnerability Assessments, Network Performance Management, Vulnerability Scanning, General Networking, Network Engineering, Network Switches, Network Administration, Cybersecurity, Cyber Attacks, Enterprise Architecture, Configuration Management
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Scheduling, Project Schedules, Project Controls, Timelines, Project Management Software, Management Reporting, Performance Reporting, Process Improvement and Optimization, Organizational Skills, Report Writing, Resource Management, Administration, System Configuration, User Accounts, Diagram Design
Advanced · Course · 1 - 3 Months

Meta
Skills you'll gain: Restful API, SQL, React Native, Database Management, Databases, Application Programming Interface (API), API Design, Relational Databases, Data Persistence, Mobile Development, Data Storage Technologies, Data Management, Application Development, Authentications
Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Consultative Selling, Sales Prospecting, Consultative Approaches, Selling Techniques, Sales Development, General Sales Practices, Sales Management, Lifelong Learning, Sales Training, Lead Generation, Sales Operations, Communication, Process Optimization, Presentations, User Research, Regional Sales, B2B Sales, Customer Relationship Management (CRM) Software, Account Management, Negotiation
Beginner · Specialization · 1 - 3 Months

LearnQuest
Skills you'll gain: Sales Management, Team Motivation, Employee Onboarding, Mediation, Conflict Management, Drive Engagement, Team Leadership, New Hire Orientations, Sales Process, Sales Training, Employee Coaching, Employee Performance Management, Virtual Teams, Telecommuting, Team Management, Intercultural Competence, Performance Management, Rapport Building, On-The-Job Training, Team Performance Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Responsible AI, Data Ethics, Workforce Development, Operational Efficiency, Business Ethics, Employee Training, AI Integrations
Mixed · Course · 1 - 4 Weeks