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.

Duke University
Skills you'll gain: Advertising, Media and Communications, Advertising Campaigns, Online Advertising, Digital Advertising, Electronic Media, Culture, Marketing Psychology, Diversity Marketing, Consumer Behaviour, Ethical Standards And Conduct
★ 4.8 (988) · Mixed · Course · 1 - 3 Months

The University of Sydney
Skills you'll gain: Blockchain, Distributed Computing, Network Security, Scalability, Transaction Processing, Algorithms
★ 4.5 (121) · Beginner · Course · 1 - 3 Months

UNSW Sydney (The University of New South Wales)
Skills you'll gain: Requirements Analysis, Requirements Management, Business Requirements, Technical Writing, Product Requirements, Engineering Documentation, Business Writing, System Requirements, Project Documentation, Editing, Systems Engineering
★ 4.6 (359) · Beginner · Course · 1 - 4 Weeks

University of Illinois Urbana-Champaign
Skills you'll gain: Networking Hardware, Network Infrastructure, Network Routers, Network Switches, Network Architecture, Internet Of Things, General Networking, Network Administration, Infrastructure Security, Network Planning And Design, Network Security, Cloud-Based Integration, System Implementation, Cloud Computing
★ 4.7 (36) · Intermediate · Course · 1 - 4 Weeks

Vanderbilt University
Skills you'll gain: Spring Framework, Object-Relational Mapping, Cloud Security, Java, Java Programming, Scalability, Cloud Development, Cloud Applications, Cloud API, Secure Coding, Web Services, Cloud Services, Cloud Computing, Cloud Computing Architecture, JSON, Cloud Deployment, Java Platform Enterprise Edition (J2EE), Data Security, Web Servers, Restful API
★ 4.3 (253) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Network Security, Remote Access Systems, Disaster Recovery, OSI Models, General Networking, Network Administration, Network Troubleshooting, Computer Networking, Network Architecture, Network Infrastructure, Networking Hardware, Network Monitoring, TCP/IP, Virtual Private Networks (VPN), Network Protocols, Cybersecurity, Computer Security, Data Centers, Virtualization, Authentications
★ 4.8 (26) · Intermediate · Specialization · 1 - 3 Months

Microsoft
Skills you'll gain: Web Development, Flask (Web Framework), Restful API, Cloud Deployment, Selenium (Software), Front-End Web Development, Web Applications, Full-Stack Web Development, Secure Coding, Web Design and Development, Object-Relational Mapping, JavaScript Frameworks, Application Security, Test Tools, Cloud Applications, HTML and CSS, Back-End Web Development, Databases, Application Programming Interface (API), Collaboration
★ 4 (27) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Generative Engine Optimization (GEO), Prompt Engineering, Web Analytics and SEO, Search Engine Optimization, Search Engine Marketing, Generative AI, Marketing Strategy and Techniques, Blogs, Digital Marketing, Content Marketing, Content Creation, Web Content, Semantic Web, Keyword Research, Content Strategy, Growth Strategies, Artificial Intelligence, Web Analytics, Competitive Analysis, Performance Measurement
★ 4.7 (88) · Intermediate · Specialization · 1 - 3 Months

Google Cloud
Skills you'll gain: Cloud Management, Site Reliability Engineering, Service Level, Service Level Agreement, Google Cloud Platform, Operational Excellence, Public Cloud, Cloud Computing, Cloud Platforms, System Monitoring, Operational Efficiency, Operating Cost, DevOps, Scalability, Service Management, Distributed Computing, Cost Control, Cost Containment, Expense Management, Operating Expense
★ 4.8 (826) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Azure, Data Processing, Database Theory, Databases, Data Store, Database Systems, Database Management Systems, Cloud Services, Data Storage, Database Management, Relational Databases, Query Languages, NoSQL, Data Management, Cloud Computing, Data Analysis, Data Visualization Software
★ 4.7 (493) · Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Microsoft Azure, Data Visualization, Microsoft Excel, Interactive Data Visualization, Internet Of Things, Cloud Storage, Data Storage Technologies, Data Import/Export, Data Pipelines
★ 4.6 (92) · Beginner · Guided Project · Less Than 2 Hours

Michigan State University
Skills you'll gain: Journalism, Media and Communications, International Relations, Ethical Standards And Conduct, Decision Making, Media Relations, Storytelling, Safety and Security, Content Creation, Digital Publishing, Accountability
★ 4.7 (382) · Beginner · Course · 1 - 3 Months