Internet Security courses can help you learn about network security protocols, encryption techniques, and threat detection methods. You can build skills in risk assessment, incident response, and implementing security policies. Many courses introduce tools like firewalls, intrusion detection systems, and antivirus software, demonstrating how these tools are used to protect sensitive data and maintain system integrity.

University of Minnesota
Skills you'll gain: Open Web Application Security Project (OWASP), Cloud Security, Authorization (Computing), Cyber Risk, Authentications, Continuous Monitoring, Threat Modeling, Security Controls, Application Security, Secure Coding, System Monitoring, Cryptography, Data Security, Identity and Access Management, Infrastructure Security, Hardening
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Linux, Package and Software Management, Linux Administration, Red Hat Enterprise Linux, Linux Commands, User Accounts, Operating System Administration, OS Process Management, Command-Line Interface, File Management, Unix Commands, Unix Shell, System Monitoring, Network Administration, General Networking, Firewall, Open Source Technology
Beginner · Course · 1 - 3 Months

Skills you'll gain: Penetration Testing, Open Web Application Security Project (OWASP), Web Applications, Vulnerability Scanning, Exploitation techniques, Vulnerability Assessments, Application Security, Web Servers, Content Management Systems, Application Programming Interface (API), Databases
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Agile Methodology, Scrum (Software Development), Software Testing, Agile Software Development, Embedded Systems, Docker (Software), Git (Version Control System), Linux Administration, System Programming, Linux, C++ (Programming Language), Internet Of Things, File Systems
Build toward a degree
Advanced · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Identity and Access Management, Azure Active Directory, Microsoft Azure, Virtual Networking, Network Troubleshooting, Hybrid Cloud Computing, Network Security, Network Administration, Windows PowerShell, Virtual Machines, Infrastructure as Code (IaC), Role-Based Access Control (RBAC), Cloud Security, Command-Line Interface
Beginner · Course · 1 - 4 Weeks

Yale University
Skills you'll gain: Land Management, Environmental Science, Sustainable Development, Environment, Natural Resource Management, Environmental Engineering and Restoration, Environment and Resource Management, Climate Change Mitigation, Socioeconomics, Finance
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Microsoft Teams, Microsoft 365, Document Management, File Management, Collaborative Software, Team Management, Virtual Teams, Calendar Management, Microsoft Excel, Setting Appointments, People Management, Project Management
Beginner · Guided Project · Less Than 2 Hours

Erasmus University Rotterdam
Skills you'll gain: Law, Regulation, and Compliance, Regulation and Legal Compliance, Emerging Technologies, Cyber Governance, Market Dynamics, Court Systems, E-Commerce, Political Sciences, Automation, Digital Transformation, Technology Solutions, Economics, Policy, and Social Studies, Public Administration, Data Governance, Complex Problem Solving, Governance, Artificial Intelligence
Beginner · Course · 1 - 3 Months

Knowledge Accelerators
Skills you'll gain: General Data Protection Regulation (GDPR), Information Privacy, Personally Identifiable Information, Law, Regulation, and Compliance, Compliance Management, Regulation and Legal Compliance, Regulatory Requirements, Data Ethics, Compliance Reporting, Data Governance, Data Security, Data Management, Data Integrity, Data Processing
Beginner · Course · 1 - 3 Months
Skills you'll gain: Blockchain, Digital Assets, FinTech, Business Modeling, Payment Systems, Emerging Technologies, Business Transformation, Distributed Computing, Transaction Processing, Identity and Access Management
Beginner · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Microsoft Azure, Cloud Management, Cloud Computing, Cloud Infrastructure, Infrastructure As A Service (IaaS), Cloud Platforms, Infrastructure as Code (IaC), Virtual Machines, System Monitoring, Cloud Security, Scalability
Beginner · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Prompt Engineering, Vibe coding, Debugging, Large Language Modeling, LLM Application, AI Security, Application Programming Interface (API), Responsible AI, Development Environment, AI Enablement, Integrated Development Environments, API Testing, Application Development, Application Security
Beginner · Course · 1 - 4 Weeks