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, Graphical Tools, R (Software), Data Mapping, Geospatial Information and Technology, Spatial Data Analysis
★ 3.9 (158) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Sales Operations, Strategic Leadership, Business Leadership, Customer Insights, Organizational Effectiveness, Performance Measurement, Business Priorities, Performance Metric, Operational Risk, Business Risk Management, Risk Analysis, Customer Relationship Building, Business Metrics, Case Studies
Intermediate · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Security Management, Cyber Governance, IT Management, Cybersecurity, Cyber Security Strategy, Security Strategy, Key Performance Indicators (KPIs), Leadership and Management, Internal Communications, Leadership, Performance Metric, Program Management, Communication, Stakeholder Communications
★ 4.7 (49) · Beginner · Course · 1 - 4 Weeks

Universidad Nacional Autónoma de México
Skills you'll gain: Database Systems, Database Theory, Relational Databases, Database Management, SQL, Databases, Database Design, Database Development, Database Software, Database Application, Database Management Systems, Information Systems, MySQL, Query Languages, Data Modeling, Transaction Processing, MySQL Workbench, Information Systems Security, Data Integrity, Performance Tuning
★ 4.4 (461) · Intermediate · Course · 1 - 3 Months

Infosec
Skills you'll gain: Secure Coding, C and C++, Application Security, Computer Programming Tools, System Programming, C++ (Programming Language), Software Development Tools, Exploit development, C (Programming Language), Security Software, Debugging, Security Engineering, Security Testing, Interoperability, Unix, Embedded Software, Information Systems Security, OS Process Management, Embedded Systems, Programming Principles
★ 2.7 (35) · Intermediate · Specialization · 3 - 6 Months

The State University of New York
Skills you'll gain: Emergency Response, Mitigation, Safety and Security, Health Disparities, Hazard Communication (HazCom), Risk Management, Social Determinants Of Health, Community Health, Media and Communications, Public Health, Risk Analysis, Vulnerability, Community Outreach, Persuasive Communication
★ 4.7 (232) · Beginner · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Power BI, Dashboard, Data Visualization, Data Integration, Business Intelligence, Performance Analysis, Data Access, Data Security, Generative AI Agents, Microsoft Teams, No-Code Development, Customer Engagement
★ 4.3 (50) · Beginner · Course · 1 - 4 Weeks

University of Glasgow
Skills you'll gain: Federated Learning, Wireless Networks, Emerging Technologies, Digital Communications, Communication Systems, Blockchain, Internet Of Things, Network Security, Telecommunications, Network Performance Management, Network Planning And Design, Zero Trust Network Access, Computer Vision, Artificial Intelligence and Machine Learning (AI/ML), Electrical Engineering, Network Analysis, Information Technology, Electronics Engineering, Machine Learning, Trustworthiness
★ 4.5 (13) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: MongoDB, Node.JS, Angular, Restful API, API Design, NoSQL, Bootstrap (Front-End Framework), Database Development, Scalability, JavaScript Frameworks, Authentications, Query Languages, Operational Databases, Web Frameworks, Web Applications, JSON, Database Systems, Application Programming Interface (API), Database Management, Authorization (Computing)
★ 4.7 (163) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Interviewing Skills, Professional Networking, Web Presence, Cybersecurity, Applicant Tracking Systems, Market Research, Recruitment, Portfolio Management, Job Analysis, Keyword Research, Business Writing, Negotiation, Writing, Technical Communication, Communication
★ 4.9 (122) · Beginner · Course · 1 - 4 Weeks

UiPath
Skills you'll gain: Email Automation, Web Scraping, Robotic Process Automation, Automation, Network Protocols, Data Import/Export, Document Management, Spreadsheet Software
★ 4.6 (38) · Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Technical Communication, AI Enablement, Model Deployment, AI Workflows, Generative AI Agents, Data Integration, AI Orchestration, Agentic Workflows, Business Transformation, Cloud Deployment, Initiative and Leadership, AI Product Strategy, Digital Transformation, Continuous Monitoring, Agentic systems, Compliance Management, Data Presentation, Stakeholder Communications, Regulatory Compliance, Compliance Reporting
Beginner · Course · 1 - 4 Weeks