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.

Fortinet, Inc.
Skills you'll gain: Event Monitoring, Network Administration, Security Information and Event Management (SIEM), Network Security, System Monitoring, System Configuration, Cybersecurity, Network Troubleshooting, Multi-Factor Authentication, Data Management
Intermediate · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Consultative Selling, Sales Prospecting, Personal Development, Sales Operations, Sales Management, Sales Training, Communication, User Research, Mentorship, Negotiation, Persona Development, Process Optimization, B2B Sales, Interpersonal Communications, Customer Analysis, Employee Coaching, Forecasting, Self-Awareness, Customer Relationship Management (CRM) Software, Account Management
Beginner · Specialization · 1 - 3 Months

Peking University
Skills you'll gain: IT Security Architecture, Application Security, Computer Security, Authorization (Computing), Security Engineering, Operating Systems, Information Systems Security, Secure Coding, Infrastructure Security, Network Security, Security Controls, Security Testing, Security Requirements Analysis, Cyber Security Assessment, Virtualization, Identity and Access Management, Cryptography, Virtual Machines, Data Integrity
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Email Marketing, Social Media Marketing, Point of Sale, Brand Loyalty, Customer Retention, Social Media Management, Customer Relationship Management, Customer Engagement, Shipping and Receiving, Customer Analysis, E-Commerce, Digital Marketing, Content Creation, Personalized Service, Employee Surveys, Process Optimization, User Feedback, Business Marketing, Contextual Advertising
Beginner · Specialization · 3 - 6 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 California, Irvine
Skills you'll gain: Salesforce, Data Security, Customer Relationship Management (CRM) Software, Customer Engagement, Role-Based Access Control (RBAC), Customer Service, Data Maintenance, Business Reporting, Data Management, Workflow Management, Data Integrity, Process Design, Lead Generation, Business Process Automation, Cloud Computing, Automation, Employee Engagement
Beginner · Course · 1 - 4 Weeks

Simplilearn
Skills you'll gain: Social Media Marketing, Social Media Management, Social Media Strategy, Social Media Campaigns, Marketing Strategies, Brand Management, Campaign Management, Marketing, Instagram, Content Creation, Performance Analysis, Email Marketing, Marketing Analytics, Web Analytics, Digital Marketing, Marketing Psychology, Customer Relationship Management, UI/UX Strategy, Digital Advertising, Marketing Strategy and Techniques
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Technical Design, User Feedback, Technical Consulting, Solution Design, Solution Architecture, SAP Applications, Requirements Analysis, Agile Methodology, Business Requirements, Requirements Elicitation, Gap Analysis, Customer Engagement, Presentations, Communication
Beginner · Course · 1 - 3 Months

Skills you'll gain: Hardware Troubleshooting, Computer Networking, Network Protocols, Web Applications, Computer Security Awareness Training, Network Routers, Wireless Networks, Technical Support and Services, Encryption, Security Awareness, Computer Literacy, System Configuration, Microsoft Office, Authentications, Microsoft Windows, Peripheral Devices, Patch Management, Technical Support, Mac OS, Database Management
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Generative AI, Microsoft Copilot, Generative Adversarial Networks (GANs), Responsible AI, Data Ethics, Autoencoders, Data Security, Information Privacy, Anomaly Detection, Model Evaluation, Data Analysis
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Trend Analysis, Financial Analysis, Data Import/Export, Business Reporting, Financial Data, Data Transformation, Accounting Records, Microsoft Excel, Performance Analysis, Financial Reporting, Data Processing
Beginner · Course · 1 - 4 Weeks

Korea Advanced Institute of Science and Technology(KAIST)
Skills you'll gain: AI Enablement, Artificial Intelligence, Materials science, Artificial Neural Networks, Image Analysis, Computer Vision, Manufacturing Processes, Machine Learning, Process Control
Beginner · Course · 1 - 3 Months