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 Arizona
Skills you'll gain: Search Engine Marketing, Pay Per Click Advertising, Google Ads, Search Engine Optimization, Digital Marketing, Keyword Research, Social Media Strategy, Marketing Channel, Digital Media Strategy, Web Analytics and SEO, Social Media Marketing, Digital Advertising, Marketing Strategy and Techniques, Content Marketing, E-Commerce, Mobile Banking, Customer experience improvement, Performance Metric, Analytical Skills
Intermediate · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Email Automation, Sales Process, Calendar Management, Microsoft Copilot, Business Process Automation, Sales Management, Sales Strategy, Automation, AI Enablement, Scheduling, Workflow Management, Prioritization, Operational Efficiency, Continuous Improvement Process, Data Security, Quality Assurance, Performance Measurement
Advanced · Course · 1 - 4 Weeks

University of Illinois Urbana-Champaign
Skills you'll gain: Distributed Computing, Cloud Infrastructure, Cloud Services, Big Data, Apache Spark, Cloud Computing, Cloud Storage, Cloud Platforms, Network Architecture, Computer Networking, File Systems, Apache Hadoop, Cloud Applications, Apache Mahout, Cloud Computing Architecture, Infrastructure As A Service (IaaS), Data Storage, Middleware, Software-Defined Networking, NoSQL
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: AI Security, Investment Management, Technology Strategies, Business Ethics, Customer experience improvement, Operational Efficiency
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, AI Orchestration, AI Workflows, LangChain, Retrieval-Augmented Generation, Agentic Workflows, Tool Calling, LangGraph, LLM Application, Agentic systems, Multimodal Prompts, Generative AI, AI Security, Generative AI Agents, Vector Databases, Generative Model Architectures, OpenAI API, Responsible AI, Embeddings, Software Development
Advanced · Professional Certificate · 3 - 6 Months

Skills you'll gain: Systems Administration, Operating System Administration, Information Systems Security, Remote Access Systems, IT Infrastructure, Network Troubleshooting, OSI Models, Computer Networking, Routing Protocols, Desktop Support, Application Security, TCP/IP, Security Strategy, Server Administration, Security Awareness, Technical Support, Microsoft Windows, Computer Hardware, Software Installation, Help Desk Support
Beginner · Professional Certificate · 3 - 6 Months

Alex Genadinik
Skills you'll gain: Marketing Strategies, Promotional Strategies, Blockchain, Social Media Marketing, Social Media Strategy, Web Development, Content Creation, Technical Documentation, Market Liquidity, Command-Line Interface, Market Research
Mixed · Course · 1 - 3 Months

Skills you'll gain: Order Fulfillment, Online Advertising, E-Commerce, Google Ads, Digital Advertising, Customer experience improvement, Market Research, Advertising Campaigns, Sales, Shipping and Receiving, Market Trend, Process Optimization, Target Audience
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Cloud Services, Cloud Platforms
Beginner · Course · 1 - 3 Months

Skills you'll gain: Database Design, Case Studies, Relational Databases, System Testing, Database Development, Microsoft SQL Servers, SQL, Customer Complaint Resolution, Data Integrity, Business Reporting, Visual Basic (Programming Language), Workflow Management, Registration, Requirements Analysis, User Interface (UI)
Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Google Gemini, Gemini, Command-Line Interface, Model Context Protocol, Unix Commands, Software Development Tools, Web Development Tools, Servers, Software Installation, Context Management, Application Security
Beginner · Course · 1 - 4 Weeks

Alex Genadinik
Skills you'll gain: Keyword Research, Business Planning, Apple iOS, Marketing Effectiveness, Business Strategy, Entrepreneurship, Android Development, Strategic Marketing, Promotional Strategies, Growth Strategies, Search Engine Optimization, Revenue Management, Press Releases, Product Promotion, Competitive Analysis, Google Ads, Advertising
Mixed · Course · 1 - 3 Months