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.

University of Michigan
Skills you'll gain: Matplotlib, Network Analysis, Social Network Analysis, Feature Engineering, Data Visualization, Pandas (Python Package), Plot (Graphics), Data Visualization Software, Interactive Data Visualization, Model Evaluation, Applied Machine Learning, Supervised Learning, Infographics, Text Mining, Network Model, Data Manipulation, NumPy, Data Preprocessing, Natural Language Processing, Python Programming
★ 4.5 (34K) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: LLM Application, Analysis, Benchmarking, Performance Metric
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Email Marketing, Data-Driven Marketing, Marketing Analytics, Microsoft Excel, Statistical Reporting, Driving engagement, Trend Analysis, Target Audience, Data-Driven Decision-Making, Customer Engagement, Drive Engagement
Beginner · Course · 1 - 4 Weeks

John Wiley & Sons
Skills you'll gain: Responsible AI, Data Ethics, Data-Driven Decision-Making, AI Enablement, Strategic Decision-Making, AI Product Strategy, Strategic Thinking, Business Analytics, Artificial Intelligence, Decision Support Systems, AI Integrations, Decision Making, Operational Efficiency, Organizational Strategy, Stakeholder Engagement, Business Strategy, Corporate Strategy, Overcoming Objections
Intermediate · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Unit Testing, Growth Mindedness, Data Structures, Graph Theory, Event-Driven Programming, Social Network Analysis, Interactive Data Visualization, Java, Java Programming, Network Analysis, Object Oriented Programming (OOP), Technical Communication, User Interface (UI), Peer Review, Software Testing, Object Oriented Design, Computer Programming, Program Development, Algorithms, Problem Solving
★ 4.7 (7.2K) · Intermediate · Specialization · 3 - 6 Months

John Wiley & Sons
Skills you'll gain: AI Enablement, AI Product Strategy, Strategic Thinking, Business Strategy, Data Strategy, Business Leadership, Data Management, Artificial Intelligence, Risk Analysis, Cost Benefit Analysis, Revenue Management, AI Integrations, Data-Driven Decision-Making, AI Orchestration, Process Optimization, Automation, Stakeholder Management, Stakeholder Analysis, Decision Making
Beginner · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Computer Hardware, Data Storage Technologies, Data Storage, Hybrid Cloud Computing, Systems Administration, Generative Model Architectures, Enterprise Application Management, Network Support, Hardware Architecture, Data Management, Data Maintenance, System Configuration, Network Protocols, Microsoft Teams, Productivity Software, Security Controls, Help Desk Support, Debugging, Multi-Factor Authentication, Cloud Computing
★ 4.8 (1.6K) · Beginner · Professional Certificate · 3 - 6 Months

John Wiley & Sons
Skills you'll gain: Management Training And Development, Employee Onboarding, Talent Recruitment, Human Resources Management and Planning, Team Management, Recruitment, Recruitment Strategies, Talent Acquisition, New Hire Orientations, Talent Management, Staff Management, Team Building, Human Resource Strategy, Workforce Planning, Human Resources, Performance Management, Product Management, Leadership, Product Improvement, Empowerment
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Teams, Microsoft 365, Security Management, Security Controls, Network Planning And Design, Cloud Security, Data Security, Microsoft Intune (Mobile Device Management Software), Enterprise Application Management, Network Administration, Role-Based Access Control (RBAC), Multi-Tenant Cloud Environments, Identity and Access Management, Data Loss Prevention, Network Troubleshooting, Azure Active Directory, Governance, Administration, IT Security Architecture, Regulatory Compliance
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Mainframe Computing, COBOL (Programming Language), Systems Development Life Cycle, Software Development Life Cycle, Mainframe Technologies, z/OS, Unit Testing, Systems Analysis, Job Control Language (JCL), IBM DB2, Systems Development, Agile Software Development, Debugging, Pseudocode, Program Development, Software Development Methodologies, Virtualization, Agile Methodology, Software Development, File I/O
★ 4.6 (1.4K) · Intermediate · Professional Certificate · 3 - 6 Months

Skills you'll gain: Computer Security, IT Security Architecture, IT Infrastructure, Operating System Administration, Computer Networking, Network Security, Desktop Support, Systems Administration, Remote Access Systems, Application Security, Network Architecture, Network Troubleshooting, Package and Software Management, Cloud Management, Disaster Recovery, OSI Models, Cybersecurity, Computer Hardware, Technical Support, Software Installation
★ 4.9 (18K) · Beginner · Professional Certificate · 3 - 6 Months

John Wiley & Sons
Intermediate · Course · 1 - 3 Months