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: Cyber Threat Intelligence, Malware Protection, Personally Identifiable Information, Threat Detection, Threat Management, Cybersecurity, Cyber Attacks, Vulnerability Scanning, Information Privacy, Data Security, Security Awareness, Human Factors (Security), User Accounts
Beginner · Course · 1 - 4 Weeks

Whizlabs
Skills you'll gain: Multi-Factor Authentication, Role-Based Access Control (RBAC), Authentications, Azure Active Directory, Zero Trust Network Access, Identity and Access Management, User Provisioning, Security Controls, Cloud Security, User Accounts
Beginner · Course · 1 - 4 Weeks
Sungkyunkwan University
Skills you'll gain: Data Processing, Data Preprocessing, Portfolio Management, Investment Management, Classification And Regression Tree (CART), Statistical Machine Learning, Investments, Machine Learning Algorithms, Applied Machine Learning, R Programming, Feature Engineering, Machine Learning, Financial Modeling, Model Evaluation, Supervised Learning, Asset Management
Intermediate · Course · 1 - 4 Weeks

Harvard Business Review
Skills you'll gain: Influencing, Professional Networking, Persuasive Communication, Overcoming Objections, Relationship Building, Stakeholder Engagement, Stakeholder Management, Rapport Building, Communication, Leadership, Organizational Effectiveness, Target Audience, Interpersonal Communications, Trustworthiness, General Networking
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Load Balancing, Firewall, Performance Testing, Web Servers, Virtual Machines, Distributed Denial-Of-Service (DDoS) Attacks, Google Cloud Platform, Security Controls
Intermediate · Project · Less Than 2 Hours

Johns Hopkins University
Skills you'll gain: Scientific Visualization, Data Visualization Software, Data Visualization, Visualization (Computer Graphics), Interactive Data Visualization, Computer Displays, Data Presentation, Time Series Analysis and Forecasting, Display Devices, Scalability, Data Validation, Computer Graphics, 3D Modeling, Medical Imaging, X-Ray Computed Tomography, Magnetic Resonance Imaging
Intermediate · Course · 1 - 3 Months
University of Michigan
Skills you'll gain: Health Policy, Substance Abuse, Healthcare Industry Knowledge, Litigation and Civil Justice, Epidemiology, Health Disparities, Policy Analysis, Public Health, Law, Regulation, and Compliance, Trend Analysis, Advocacy
Beginner · Course · 1 - 3 Months

Skills you'll gain: Security Management, Role-Based Access Control (RBAC)
Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Performance Testing, Maintainability, Software Testing, Code Review, Software Technical Review, Security Testing, Test Planning, Software Quality Assurance, Test Tools, White-Box Testing, Regression Testing
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Shiny (R Package), Data Visualization, Interactive Data Visualization, Dashboard, Data Visualization Software, R Programming, Data Wrangling, User Interface (UI) Design, Ggplot2, Data Manipulation, Data Integration, Data Import/Export
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Web Services, Restful API, Apache Maven, Spring Boot, Spring Framework, Gradle, Simple Object Access Protocol (SOAP), Java Platform Enterprise Edition (J2EE), Java, API Design, Application Frameworks, Secure Coding, Object-Relational Mapping, Data Persistence, JSON, Extensible Markup Language (XML)
Intermediate · Course · 3 - 6 Months
Google Cloud
Skills you'll gain: Gmail, Google Workspace, Email Automation, Email Security, Productivity Software, Organizational Skills, Document Management
Beginner · Course · 1 - 3 Months