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 Colorado System
Skills you'll gain: Cryptography, Arithmetic, Algorithms, Applied Mathematics, Probability, Computer Science
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Azure Active Directory, Role-Based Access Control (RBAC), Virtual Networking, Microsoft Azure, Kubernetes, Containerization, Network Troubleshooting, Single Sign-On (SSO), Cloud Storage, Active Directory, Virtual Machines, Virtual Private Networks (VPN), Data Storage, Cloud Management, Application Deployment, Network Architecture, Identity and Access Management, Authorization (Computing), Cloud Services, System Monitoring
Intermediate · Specialization · 1 - 3 Months

LearnQuest
Skills you'll gain: Java Platform Enterprise Edition (J2EE), Application Deployment, Web Applications, Application Servers, Java, Web Servers, Java Programming, Object-Relational Mapping, Web Development, Context Management, Application Frameworks, Scripting, Middleware, Server Side, Data Storage, Session Initiation Protocols, Data Sharing, Data Persistence, Event-Driven Programming, Hypertext Markup Language (HTML)
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Cybersecurity, Cyber Operations, Data Persistence, Exploitation techniques, Persistence, Intrusion Detection and Prevention, Scripting, Python Programming, Microsoft Windows
Intermediate · Course · 1 - 4 Weeks

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

Alibaba Cloud Academy
Skills you'll gain: Cloud Security, Network Security, Network Architecture, Data Security, Application Security, Cloud Computing, Operating Systems, Linux, Firewall, Distributed Denial-Of-Service (DDoS) Attacks, Encryption
Beginner · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Prompt Engineering, Vibe coding, Debugging, Large Language Modeling, LLM Application, AI Security, Application Programming Interface (API), Responsible AI, Development Environment, AI Enablement, Integrated Development Environments, API Testing, Application Development, Application Security
Beginner · Course · 1 - 4 Weeks

SkillUp
Skills you'll gain: Data Storytelling, Dashboard, Power BI, Data Visualization, Interactive Data Visualization, Data Analysis, Data Modeling, Data Visualization Software, Data Analysis Expressions (DAX), Star Schema, Data Cleansing, Data Transformation, Data Import/Export, Data Security
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Virtual Networking, Open Shortest Path First (OSPF), Network Planning And Design, TCP/IP, Computer Networking, System Monitoring, Wireless Networks, Network Routing, Security Controls, Network Switches, Cloud Infrastructure, Local Area Networks, Puppet (Configuration Management Tool), Wide Area Networks, Virtual Machines, Chef (Configuration Management Tool), Real Time Data, Authentications, Scripting, JSON
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Dynamic Host Configuration Protocol (DHCP), Network Security, Virtual Local Area Network (VLAN), Network Planning And Design, Network Architecture, Network Routers, Infrastructure Security, General Networking, Authentications, Network Switches
Beginner · Guided Project · Less Than 2 Hours

Universidad Austral
Skills you'll gain: Google Ads, Content Performance Analysis, Campaign Management, Pay Per Click Advertising, Keyword Research, Performance Metric, Contextual Advertising, Performance Analysis, Online Advertising, Performance marketing, Digital Advertising, Budget Management, Search Engine Marketing, Advertising Campaigns, Paid media, Advertising, Media Planning, Bidding, Target Audience
Beginner · Course · 1 - 4 Weeks
Ludwig-Maximilians-Universität München (LMU)
Skills you'll gain: Mergers & Acquisitions, Business Strategy, Customer Retention, Growth Strategies, Business Development, Competitive Analysis, E-Commerce, Market Analysis, Consumer Behaviour, Market Share, Regulatory Compliance
Mixed · Course · 1 - 3 Months