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: Cucumber (Software), Gherkin (Scripting Language), Software Testing, Testability, Test Case, White-Box Testing, Behavior-Driven Development, Code Coverage, Test Engineering, Functional Testing, Test Automation, JUnit, Requirements Analysis, Java Programming
★ 3.8 (116) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Network Administration, Virtual Local Area Network (VLAN), General Networking, Network Architecture, Virtual Networking, TCP/IP, Local Area Networks, Computer Networking, Command-Line Interface, Network Infrastructure, Wireless Networks, Network Security, Networking Hardware, Network Switches, Network Protocols
★ 4.3 (23) · Intermediate · Course · 1 - 4 Weeks

MathWorks
Skills you'll gain: Model Based Systems Engineering, Systems Engineering, Systems Architecture, Systems Design, Systems Development, Functional Design, Requirements Analysis, System Requirements, Functional Requirement, Verification And Validation
★ 4.8 (293) · Beginner · Course · 1 - 4 Weeks

Amazon Web Services
Skills you'll gain: Amazon Web Services, Cloud Infrastructure, Network Troubleshooting, Technical Consulting, Amazon S3, Cloud Solutions, Cloud Computing, Cloud Management, Technical Support, AWS Identity and Access Management (IAM), Amazon Elastic Compute Cloud, Scenario Testing, System Support, Virtual Networking, Customer Support, Cloud Storage, Cloud-Based Integration, Security Controls, Database Management
★ 4.8 (69) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Security Controls, Governance Risk Management and Compliance, Risk Control, Risk Management, Risk Management Framework, Business Risk Management, Compliance Management, Compliance Auditing, Cyber Governance, Enterprise Risk Management (ERM), Data Security, Audit Planning, Information Privacy, Continuous Monitoring, Auditing, Information Systems Security, Risk Mitigation, Regulatory Compliance, NIST 800-53, Compliance Reporting
Beginner · Course · 1 - 3 Months

Infosec
Skills you'll gain: Open Web Application Security Project (OWASP), Secure Coding, Exploitation techniques, Application Security, Vulnerability Assessments, Extensible Markup Language (XML), Threat Detection
★ 4.8 (22) · Intermediate · Course · 1 - 4 Weeks

Universidad de los Andes
Skills you'll gain: Mathematics Education, Arithmetic, Geometry, Systems Of Measurement, General Mathematics
★ 4.9 (536) · Beginner · Course · 1 - 3 Months

University of Maryland, College Park
Skills you'll gain: Search Engine Marketing, Pay Per Click Advertising, Data-Driven Marketing, Marketing Analytics, Search Engine Optimization, Web Analytics, Web Analytics and SEO, Online Advertising, Data Visualization, Analytics, Model Evaluation, Digital Marketing, Apache Hadoop, Digital Advertising, Digital Marketing Tools, Machine Learning Methods, AI Personalization, Advertising, Social Media Strategy, Predictive Modeling
★ 4.6 (27) · Beginner · Specialization · 3 - 6 Months

University at Buffalo
Skills you'll gain: Product Lifecycle Management, Performance Measurement, Manufacturing Operations, Supply Chain Management, Manufacturing and Production, Supply Chain Planning, Operations Management, Enterprise Resource Planning, Production Planning, Material Requirements Planning, Production Management, Data Integration, Business Process Management, Data Collection, Digital Transformation, Data Security, Data Management, Decision Making
★ 4.6 (644) · Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Data Ethics, Security Awareness, Healthcare Ethics, Responsible AI, Ethical Standards And Conduct, Cybersecurity, Diversity Awareness, Generative AI, Artificial Intelligence, Diversity Training, Computer Science, Diversity Programs, digital literacy, Medical Privacy, Information Privacy, Diversity Equity and Inclusion Initiatives, Social Impact, AI Personalization, Media and Communications, Clinical Research Ethics
★ 4.5 (56) · Beginner · Specialization · 3 - 6 Months

Universidad de los Andes
Skills you'll gain: Mathematics Education, Geometry, Logical Reasoning, Childhood Education and Development, Deductive Reasoning, General Mathematics
★ 4.8 (97) · Beginner · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Cascading Style Sheets (CSS), GitHub, HTML and CSS, Version Control, Git (Version Control System), Microsoft Copilot, Web Development, Web Design and Development, Web Content Accessibility Guidelines, Responsive Web Design, Hypertext Markup Language (HTML), Javascript, Web Design, Front-End Web Development, Web Development Tools, JSON, Semantic Web
★ 4.1 (41) · Beginner · Course · 1 - 3 Months