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 Colorado System
Skills you'll gain: Routing Protocols, Network Routing, TCP/IP, Network Protocols, Network Architecture, Network Performance Management, Computer Networking, OSI Models, Local Area Networks, Graph Theory, Algorithms
Intermediate · 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

Johns Hopkins University
Skills you'll gain: Verification And Validation, Health Systems, Systems Engineering, Model Based Systems Engineering, Health Technology, Healthcare Industry Knowledge, Systems Integration, Requirements Analysis, Enterprise Architecture, Conceptual Design
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Application Security, Information Management, Security Controls, Configuration Management, Security Engineering, Vulnerability Assessments, Security Requirements Analysis, Cloud Security, Software Development Life Cycle, Cloud Computing, System Implementation, Program Development, Change Control
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Software Documentation, Generative AI, API Testing, Test Automation, Mockups, Software Development Tools, User Interface and User Experience (UI/UX) Design, Usability, Software Testing, AI Security, AI Workflows, Application Security, Maintainability, Prompt Engineering, Test Case, Software Architecture, Code Review, Secure Coding, Artificial Intelligence, Debugging
Beginner · Specialization · 1 - 3 Months

LearnQuest
Skills you'll gain: Visual Basic (Programming Language), Database Management, System Software, Databases, Relational Databases, Algorithms, Computer Architecture, Network Security, Computer Hardware, SQL, Computer Science, Computer Networking, Computer Programming, Network Protocols, Programming Principles, Software Development, Automation, Analysis, Cloud Computing, Debugging
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Model Based Systems Engineering, Failure Analysis, Systems Engineering, Engineering Management, Requirements Management, Scope Management, Design Reviews, Project Scoping, Root Cause Analysis, Program Management, Requirements Analysis, User Requirements Documents, Test Engineering, Cost Management, Contract Management, Systems Design, Business Requirements, Systems Thinking, Project Risk Management, Risk Management
Build toward a degree
Beginner · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Cryptography, Encryption, Application Development, Security Engineering, Application Security, C++ (Programming Language)
Intermediate · Guided Project · Less Than 2 Hours

28DIGITAL
Skills you'll gain: Technical Standard, General Data Protection Regulation (GDPR), Personally Identifiable Information, Information Privacy, Case Law, Medical Privacy, Court Systems, Telecommunications, Law, Regulation, and Compliance, Legal Research, Data Ethics, IT Security Architecture, Technology Roadmaps, European History, International Relations, Interoperability, Data Governance, Cybersecurity, Data Security, Emerging Technologies
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Secure Coding, Application Security, Open Web Application Security Project (OWASP), Security Engineering, Cybersecurity, Security Requirements Analysis, Security Testing, Vulnerability Assessments, Code Review, Software Design, Encryption, Vulnerability Management, Data Security, Cryptography, Continuous Monitoring, Authentications, Development Testing, System Monitoring, Authorization (Computing)
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Responsible AI, AI Product Strategy, Generative AI, Strategic Thinking, Risking, Data Ethics, Large Language Modeling, Business Strategy, Regulation and Legal Compliance, Business Planning, AI Enablement, Organizational Change, Customer experience strategy (CX), Business Ethics, AI Security, Generative AI Agents, Business Leadership, Business Transformation, Stakeholder Communications, Customer Insights
Beginner · Specialization · 1 - 3 Months

Starweaver
Skills you'll gain: Internet Of Things, Prototyping, Embedded Software, Energy and Utilities, Electrical Systems, Sustainable Technologies, Usability Testing, Engineering Management, Electronic Hardware, System Monitoring, Emerging Technologies, Real Time Data, Scalability
Beginner · Course · 1 - 4 Weeks