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.

Skills you'll gain: Package and Software Management, User Accounts, Unix Commands, Unix, Bash (Scripting Language), Command-Line Interface, Kubernetes, Git (Version Control System), GitHub, OS Process Management, Firewall, Ubuntu, Docker (Software), Containerization, Network Monitoring, Unix Shell, File Systems, Shell Script, TCP/IP, Version Control
Beginner · Specialization · 3 - 6 Months

University of Maryland, College Park
Skills you'll gain: Search Engine Marketing, Pay Per Click Advertising, Marketing Analytics, Search Engine Optimization, Web Analytics, Web Analytics and SEO, Online Advertising, Model Evaluation, Digital Marketing, Apache Hadoop, Data-Driven Decision-Making, Digital Advertising, Return On Investment, A/B Testing, Machine Learning Methods, Advertising, Analytics, Social Media Strategy, Marketing Automation, Predictive Modeling
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Kubernetes
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Metasploit, Penetration Testing, Vulnerability Scanning, Exploitation techniques, Vulnerability Assessments, Cybersecurity, Command-Line Interface, Virtual Machines, Linux, Technical Documentation
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Email Security, Microsoft Outlook, Calendar Management, Gmail, Setting Appointments, Organizational Skills, Microsoft Office, Google Workspace, Scheduling, Computer Literacy, Productivity Software
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: IT Service Management, Information Technology Infrastructure Library, Change Control, IT Management, Service Management, Security Management, Technical Services, Enterprise Architecture, Managed Services, Risk Management Framework, IT Security Architecture, Capacity Management, Release Management, Incident Management, Service Level
Intermediate · Course · 1 - 4 Weeks

IE Business School
Skills you'll gain: Retail Management, Marketing Channel, Merchandising, Supply Chain Planning, Retail Sales, Supply Chain, Product Assortment, Logistics Management, Business Strategy, Business Technologies, Market Opportunities, Competitive Analysis, Promotional Strategies, Technology Strategies, E-Commerce, Conflict Management, Cross-Channel Marketing, Growth Strategies, Consumer Behaviour, Digital Transformation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: LangGraph, Generative AI Agents, AI Orchestration, Agentic systems, AI Workflows, OpenAI API, LLM Application, Agentic Workflows, Prompt Patterns, OpenAI, Large Language Modeling, AI Enablement, Retrieval-Augmented Generation, Artificial Intelligence, Semantic Web, Development Environment, Tool Calling, Microsoft Azure, AI Personalization, Microsoft Development Tools
Intermediate · Specialization · 3 - 6 Months

University of Colorado System
Skills you'll gain: Public Key Infrastructure, Public Key Cryptography Standards (PKCS), Key Management, Cryptography, Encryption, Authentications, Algorithms
Intermediate · Course · 1 - 4 Weeks

University of Glasgow
Skills you'll gain: Federated Learning, Wireless Networks, Emerging Technologies, Digital Communications, Communication Systems, Blockchain, Internet Of Things, Network Security, Telecommunications, Network Performance Management, Network Planning And Design, Zero Trust Network Access, Computer Vision, Artificial Intelligence and Machine Learning (AI/ML), Electrical Engineering, Network Analysis, Information Technology, Electronics Engineering, Machine Learning, Trustworthiness
Intermediate · Specialization · 3 - 6 Months

EC-Council
Skills you'll gain: Node.JS, MongoDB, Angular, Full-Stack Web Development, JavaScript Frameworks, Restful API, Web Applications, Web Development, NoSQL, Front-End Web Development, Application Security, Web Development Tools, Application Programming Interface (API), API Design, Javascript, Database Management, Back-End Web Development, Servers, Middleware
Beginner · Course · 1 - 3 Months

Fundação Instituto de Administração
Skills you'll gain: Supply Chain Management, Supply Chain, Supply Chain Planning, Logistics, Transportation, Supply Chain, and Logistics, Inventory Management System, Operations Management, Order Management, Business Technologies, Customer Demand Planning, Production Planning, Data-Driven Decision-Making, Automation, Internet Of Things, Blockchain, Machine Learning
Beginner · Course · 1 - 4 Weeks