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.

Board Infinity
Skills you'll gain: ASP.NET, Restful API, .NET Framework, JSON, C# (Programming Language)
★ 3.9 (44) · Intermediate · Course · 1 - 4 Weeks

Illinois Tech
Skills you'll gain: Javascript and jQuery, jQuery, Responsive Web Design, Web Development, Version Control, Web Design, Cascading Style Sheets (CSS), Web Design and Development, Hypertext Markup Language (HTML), HTML and CSS, Web Frameworks, GitHub, Web Applications, Javascript, Web Development Tools, Git (Version Control System), Infrastructure Architecture, Network Architecture, Network Infrastructure, Application Frameworks
★ 4.6 (19) · Beginner · Course · 1 - 3 Months

Packt
Skills you'll gain: Spring Boot, Hibernate (Java), Spring Framework, Web Applications, Application Development, Web Development, Program Development, Restful API, Application Frameworks, Secure Coding, Bootstrap (Front-End Framework), Development Environment, Object-Relational Mapping, Model View Controller, UI Components, Software Development Tools, Authentications, User Interface (UI), Databases
★ 4.7 (13) · Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Blockchain, FinTech, Payment Systems, Governance, Financial Services, Financial Regulation, Ledgers (Accounting), Financial Inclusion, Banking Services, Financial Systems, Payment Processing, Innovation, Accounting, Emerging Technologies, Digital Assets, Regulatory Requirements, Financial Management, Law, Regulation, and Compliance
★ 4.7 (191) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Employee Surveys, Surveys, User Feedback, Security Awareness, Business Software, Data Sharing, Email Automation, Collaborative Software, Business Technologies
★ 4.7 (43) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Operating System Administration, Local Area Networks, Software Installation, Command-Line Interface, Microsoft Windows, System Configuration, Systems Administration, TCP/IP, Linux Administration, Linux, General Networking, Patch Management, Operating Systems, User Accounts, Network Routers, System Monitoring, Network Troubleshooting, Mac OS, Identity and Access Management, Network Security
★ 4.9 (11) · Intermediate · Course · 1 - 3 Months

Fundação Instituto de Administração
Skills you'll gain: Digital Transformation, Social Media, E-Commerce, Social Media Management, Organizational Development, Business Modeling, Management Information Systems, Technology Strategies, Business Technologies, Business Communication, Systems Integration, Emerging Technologies, System Implementation, Information Systems, Enterprise Resource Planning, Internet Of Things
★ 4.9 (14) · Beginner · Course · 1 - 4 Weeks

Alex Genadinik
Skills you'll gain: Keyword Research, Search Engine Optimization, Web Analytics and SEO, Web Presence, Blogs, Content Optimization, Digital Marketing
★ 4.7 (10) · Mixed · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Distributed Denial-Of-Service (DDoS) Attacks, Secure Coding, Application Security, Encryption, Security Controls, Data Security, Endpoint Security, Database Application, Web Applications, Cryptography, Object-Relational Mapping, Authentications, Data Access, Query Languages, Computer Programming
★ 4.4 (9) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Email Marketing, Customer Retention, Customer Relationship Building, E-Commerce, Driving engagement, Content Performance Analysis, Web Analytics and SEO, Strategic Marketing, Email Security, Data-Driven Marketing, Digital Marketing Campaigns, Conversion Funnel Analysis, Direct Marketing, Online Advertising, Advertising Mail, Performance Metric, Personalized Campaigns, Sales, Decision Making, Automation
★ 4.6 (19) · Beginner · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Amazon Bedrock, Model Deployment, LLM Application, Large Language Modeling, MLOps (Machine Learning Operations), Amazon Web Services, AI Security, Model Evaluation, Model Training, AI Workflows, Continuous Monitoring, Data Ethics, Rust (Programming Language), Generative AI, Cloud Computing, Serverless Computing, Development Environment
★ 4.6 (28) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Network Troubleshooting, Network Routing, Routing Protocols, Network Routers, OSI Models, Virtual Local Area Network (VLAN), Network Switches, Networking Hardware, Local Area Networks, Network Infrastructure, Network Protocols, System Configuration, Network Performance Management, Computer Hardware, Configuration Management, iOS Development
★ 4.8 (40) · Intermediate · Course · 1 - 3 Months