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.

Johns Hopkins University
Skills you'll gain: Ggplot2, Plot (Graphics), Data Visualization Software, Data Visualization, Interactive Data Visualization, Scatter Plots, Statistical Visualization, Histogram, Graphic and Visual Design, R Programming, Graphic Design, Graphical Tools, R (Software), Data Mapping, Graphing, Spatial Data Analysis, Geospatial Mapping
★ 3.9 (158) · Intermediate · Course · 1 - 3 Months

Infosec
Skills you'll gain: Cyber Governance, Security Strategy, Security Management, Incident Management, Cyber Security Strategy, Business Continuity Planning, IT Security Architecture, Computer Security Incident Management, Business Continuity, Disaster Recovery, Cyber Security Policies, Cybersecurity, Incident Response, Data Governance, Governance, Contingency Planning, Security Controls, Asset Management, Cyber Security Assessment, Risk Analysis
★ 4.6 (55) · Mixed · Course · 3 - 6 Months

Infosec
Skills you'll gain: Secure Coding, Application Security, Computer Programming Tools, C and C++, C++ (Programming Language), Software Development Tools, Security Software, C (Programming Language)
★ 2.8 (24) · Mixed · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Health Informatics, Azure Active Directory, Medical Privacy, Cloud Security, Health Care, Identity and Access Management, Real Time Data, Data Infrastructure, Model Training, Patient Education and Support, AI Security, Microsoft Azure, Clinical Data Management, Clinical Monitoring, Health Technology, Image Analysis, Data Visualization Software, Patient Communication, Generative AI, AI Integrations
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Collaborative Software, Git (Version Control System), Version Control, Debugging, Conflict Management, Root Cause Analysis, Reconciliation
Beginner · Course · 1 - 4 Weeks

Pohang University of Science and Technology(POSTECH)
Skills you'll gain: Internet Of Things, Cloud Applications, Cloud Development, Cloud Platforms, IBM Cloud, Application Development, Cloud Services, Cloud Technologies, Cloud Computing, Google Cloud Platform, Computing Platforms, Cloud-Based Integration, Microsoft Azure, AI Integrations, Amazon Web Services, Emerging Technologies, Network Protocols
★ 4.3 (323) · Beginner · Course · 1 - 3 Months

Arizona State University
Skills you'll gain: Intellectual Property, Cyber Attacks, Data Security, Safety and Security, Cybersecurity, Application Security, Security Software, Computer Security Awareness Training, Research, Content Creation, digital literacy, Media and Communications, Storytelling, Productivity, Digital Communications, Interpersonal Communications, Empathy & Emotional Intelligence, Personal Development, Self-Awareness, Digital Analysis
★ 4.7 (153) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Interviewing Skills, Meta Ads Manager, Marketing Analytics, Registration, Marketing, Social Media Marketing, Digital Marketing, Data Analysis, Statistics
★ 4.7 (232) · Beginner · Course · 1 - 4 Weeks

Howard University
Skills you'll gain: Business Software, Information Systems, Enterprise Application Management, Management Information Systems, Information Technology, Enterprise Resource Planning, Information Systems Security, E-Commerce, Business Systems Analysis, Systems Analysis, Computer Hardware, Data Warehousing, Decision Support Systems, Disaster Recovery, Networking Hardware, Business Ethics, Operating Systems, Data Ethics, Business Process Management, Customer Relationship Management
★ 4.7 (71) · Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Traffic Flow Optimization, Stormwater Management, Public Works, Landscape Architecture, Civil Engineering, Sustainable Development, Water Sustainability, Health Equity, Architectural Design, Land Development, Hydrology, Water Resources, Sustainable Design, Community Development, Community Health, Environment
★ 4.8 (98) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Test Case, Test Automation, Test Tools, Continuous Integration, Test Data, Functional Testing, Test Execution Engine, CI/CD, Software Testing, Code Reusability, Maintainability
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Target Audience, Microsoft Outlook, Email Marketing, Email Automation, Campaign Management, Campaign Planning, Compliance Auditing, Customer Relationship Management (CRM) Software, Process Optimization, Process Improvement, Google Workspace, Marketing Planning, Data Mapping, Branding, Marketing Automation, Regulatory Compliance, Gmail, Project Planning, Copywriting, Brand Management
Beginner · Specialization · 3 - 6 Months