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.

Dartmouth College
Skills you'll gain: Digital Transformation, Customer experience strategy (CX), Business Transformation, Data-Driven Decision-Making, Internet Of Things, Cloud Computing, Automation, Cloud Storage, Technology Strategies, Data Ethics, Cloud Infrastructure, Customer Insights, AI Personalization, Business Process Automation, Emerging Technologies, Responsible AI, Business Modeling, Cybersecurity, Operational Efficiency, Law, Regulation, and Compliance
★ 4.8 (24) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Project Closure, Quality Management, Backlogs, Milestones (Project Management), Cost Management, Project Planning, Agile Project Management, Team Management, Scope Management, Quality Management Systems, Sprint Retrospectives, Budget Management, Stakeholder Analysis, Project Scoping, Project Management Life Cycle, Agile Software Development, Requirements Analysis, Report Writing, Change Management, Organizational Change
★ 4.5 (65) · Beginner · Professional Certificate · 3 - 6 Months

Dartmouth College
Skills you'll gain: Computer Programming Tools, C (Programming Language), Programming Principles, Embedded Systems, Software Development Tools, Computer Engineering, Algorithms, Data Structures, Computer Programming, Computational Logic
★ 4.7 (106) · Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Model Based Systems Engineering, Systems Engineering, Requirements Analysis, Test Engineering, Systems Thinking, Systems Architecture, Test Planning, Systems Design, Aerospace Basic Quality System Standards, Systems Analysis, Systems Development, Risk Management Framework, Requirements Elicitation, System Testing, System Requirements, Acceptance Testing, Development Testing, Verification And Validation, Failure Analysis
★ 4.8 (97) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Incident Management, Incident Response, Security Management, Computer Security Incident Management, Cybersecurity, Cyber Security Policies, Remote Access Systems, Telecommuting, Cyber Security Assessment, Cyber Security Strategy, Security Controls, Security Strategy, Security Software, Employee Engagement
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Data Ethics, Data Visualization, Data Visualization Software, Interactive Data Visualization, Visualization (Computer Graphics), Data Security, Data Presentation, User Centered Design, Technical Communication, Cybersecurity, Healthcare Ethics, Cyber Attacks, Usability, Statistical Reporting, Computer Security, Data Storytelling, Ethical Standards And Conduct, Medical Science and Research, Information Privacy, Analysis
★ 4.3 (131) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Hardware Troubleshooting, Computer Hardware, Hardware Architecture, Microarchitecture, Computer Architecture, IT Infrastructure, Data Storage Technologies, System Configuration, Data Storage, Memory Management
★ 4.5 (71) · Beginner · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Responsible AI, Agentic systems, Machine Learning Algorithms, Model Training, Agentic Workflows, Decision Intelligence, Data Governance, AI Enablement, Health Systems, Health Informatics, Artificial Intelligence, Analytics, Digital Transformation, Healthcare Industry Knowledge, Human Factors (Security), Generative AI Agents, Health Technology, Health Information Management, Information Technology, Information Systems
★ 4.5 (33) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Microbiology, Pharmacology, Sensory Systems Analysis, Health Disparities, Drug Interaction, Pharmacotherapy, Molecular Biology, Infection Control, Infectious Diseases, Biochemistry, Psychology, Molecular, Cellular, and Microbiology, Sociology, Cultural Sensitivity, Analytical Chemistry, Immunology, Behavior Management, Biology, Decision Making, Taxonomy
★ 4.5 (17) · Intermediate · Professional Certificate · 3 - 6 Months

Universitat Autònoma de Barcelona
Skills you'll gain: Public Policies, Policy Development, Policty Analysis, Research, and Development, Policy Analysis, Environmental Policy, Court Systems, International Relations, Public Safety and National Security, European History, Political Sciences, Law, Regulation, and Compliance, Economics, Economics, Policy, and Social Studies, Security Strategy, Immigration Law, Economic Development, Diplomacy, Social Studies, Governance, Sustainable Development
★ 4.6 (139) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Network Architecture, Wireless Networks, Emerging Technologies, Network Engineering, Network Planning And Design, Network Infrastructure, Network Performance Management, Telecommunications, Artificial Intelligence and Machine Learning (AI/ML), Distributed Computing, Technology Strategies
★ 4.4 (29) · Intermediate · Course · 1 - 4 Weeks

Erasmus University Rotterdam
Skills you'll gain: Case Studies
★ 4.5 (119) · Beginner · Course · 1 - 3 Months