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 Glasgow
Skills you'll gain: Wireless Networks, Emerging Technologies, Communication Systems, Digital Communications, Internet Of Things, Telecommunications, electromagnetics, Network Architecture, Software-Defined Networking, Zero Trust Network Access, Digital Transformation, Interoperability, Electronics Engineering, Distributed Computing, Development Testing, Electrical Engineering, Artificial Intelligence and Machine Learning (AI/ML), Information Technology, Machine Learning, Trustworthiness
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Data Lakes, Data Processing, Google Cloud Platform, Data Warehousing, Data Integration, Data Management, Data Pipelines, Data Governance, Analytics, Data Quality, Data Security, Identity and Access Management, Automation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Electrical Safety, Maintenance, Repair, and Facility Services, Safety Standards, Hardware Troubleshooting, Test Equipment, Electrical Systems, Basic Electrical Systems, High Voltage, Safety and Security, End User Training and Support, Sustainable Technologies, Transportation Operations, Emerging Technologies
Beginner · Course · 1 - 4 Weeks

Pohang University of Science and Technology(POSTECH)
Skills you'll gain: Blockchain, FinTech, Payment Systems, Cryptography, Digital Assets, Emerging Technologies, Distributed Computing, Cryptographic Protocols, E-Commerce, Transaction Processing, Algorithms, Fundraising
Beginner · Course · 1 - 3 Months
Skills you'll gain: Responsible AI, AI Workflows, AI Orchestration, Agentic systems, Generative AI Agents, Artificial Intelligence, Coordination, AI Security, Data Ethics, Governance, Systems Architecture, Software Architecture, Scalability, Regulatory Compliance, Communication Strategies, Communication
Intermediate · Course · 1 - 4 Weeks

Packt
Skills you'll gain: DevSecOps, Cyber Governance, Budget Management, Leadership, Technology Roadmaps, Performance Metric, Relationship Management, Workforce Development
Intermediate · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Kubernetes, Threat Modeling, Hardening, Verification And Validation, Google Cloud Platform, Security Controls, Vulnerability Assessments, Cloud Computing
Advanced · Project · Less Than 2 Hours

Skills you'll gain: Text Mining, Data Processing, Microsoft Azure, Cloud Storage, Database Development, Data Storage Technologies, Unstructured Data, Application Development, Web Applications
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Network Troubleshooting, Network Monitoring, Technical Communication, Technical Support, Network Administration, Technical Documentation, Desktop Support, Help Desk Support, Problem Management, Network Analysis
Beginner · Course · 1 - 4 Weeks

University of Washington
Skills you'll gain: Responsive Web Design, Web Design, GitHub, HTML and CSS, Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), Version Control, Web Design and Development, Usability, User Interface and User Experience (UI/UX) Design, User Experience, Javascript, Web Content Accessibility Guidelines, Browser Compatibility, User Story, Front-End Web Development, Web Development, Mobile Development, Semantic Web, Git (Version Control System)
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Dynamic Host Configuration Protocol (DHCP), Linux Servers, User Accounts, Virtualization, Linux Administration, Lightweight Directory Access Protocols, Network Performance Management, Virtualization and Virtual Machines, Group Policy, Server Administration, Performance Tuning, Virtual Machines, Systems Administration, Linux, Network Administration, Network Security, Security Management, Cybersecurity, Disaster Recovery, Large Language Modeling
Intermediate · Specialization · 1 - 4 Weeks

Knowledge Accelerators
Skills you'll gain: Pivot Tables And Charts, Spreadsheet Software, Data Analysis Expressions (DAX), Data Analysis, Analytics, Business Modeling, Business Analysis, Data Storytelling, Data Presentation, Microsoft 365, Trend Analysis, Data Security, Data Entry, Key Performance Indicators (KPIs), Data Management, Productivity
Intermediate · Course · 1 - 3 Months