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: Digital Communications, OSI Models, Network Protocols, TCP/IP, Communication Systems, Routing Protocols, Telecommunications, Network Routing, Network Architecture, Network Planning And Design, General Networking, Computer Networking, System Programming, Data Validation, Data Integrity
★ 4.6 (2.4K) · Intermediate · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Terraform, Infrastructure as Code (IaC), Cloud-Native Computing, DevSecOps, Kubernetes, Hardening, Cloud Infrastructure, Cloud Management, Cloud Platforms, Cloud Engineering, Infrastructure Architecture, Enterprise Architecture, Generative AI, Microsoft Azure, Containerization, Code Reusability, Secure Coding, Security Controls, Configuration Management, Cryptographic Protocols
Advanced · Course · 1 - 3 Months

Coursera
Skills you'll gain: Content Performance Analysis, Video Production, Content Scheduling, Meta Ads Manager, Writing, Social Media Analytics, Canva (Software), Facebook, Content Creation, Storytelling, Data-Driven Marketing, Copywriting, Online Advertising, Videography, Persona Development, Photography, Marketing Analytics, Social Media, Content Strategy, ChatGPT
★ 4.6 (1.8K) · Beginner · Specialization · 3 - 6 Months

Cisco Learning and Certifications
Skills you'll gain: Network Troubleshooting, Wireless Networks, Network Architecture, Network Security, Local Area Networks, Network Planning And Design, Threat Management, Network Infrastructure, Virtual Local Area Network (VLAN), Vulnerability Assessments, Network Performance Management, Vulnerability Scanning, General Networking, Network Engineering, Network Switches, Network Administration, Cybersecurity, Cyber Attacks, Enterprise Architecture, Configuration Management
Beginner · Specialization · 3 - 6 Months

Columbia University
Skills you'll gain: International Finance, Derivatives, Financial Systems, Balance Sheet, Financial Market, Payment Systems, Financial Policy, Banking, Capital Markets, Financial Trading, Economics, Market Liquidity, Financial Regulation, Credit Risk, Market Dynamics
★ 4.9 (1.7K) · Mixed · Course · 3 - 6 Months

Skills you'll gain: Command-Line Interface, Virtualization and Virtual Machines, Network Security, Virtualization, Operating Systems, Hardware Troubleshooting, Information Technology Operations, Network Troubleshooting, Computer Hardware, Network Support, Cloud Computing, Mac OS, Security Controls, Microsoft Windows, Information Systems Security, System Configuration, Operating System Administration, Network Infrastructure, Data Storage, Peripheral Devices
★ 4.6 (293) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Information Systems, Management Information Systems, Business Systems, Information Technology, Information Systems Security, Business Technologies, Information Management, Decision Support Systems, Open Source Technology, Business Systems Analysis, Technology Strategies, Systems Analysis, Emerging Technologies, Software Systems, Computing Platforms, Mobile Security, Web Applications, Operational Efficiency, Computer Hardware, Strategic Decision-Making
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Information Systems Security, Business Process Modeling, Security Management, Systems Development Life Cycle, Systems Development, Information Systems, Cyber Attacks, Cybersecurity, Management Information Systems, Business Process Management, Enterprise Resource Planning, IT Management, Requirements Analysis, Incident Response, Business Process, Computer Security Incident Management, Database Management Systems, Business Intelligence, Cloud Computing, Data Management
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: MLOps (Machine Learning Operations), Generative AI, Model Deployment, Generative Model Architectures, Generative AI Agents, Prompt Engineering, CrewAI, OpenAI, Responsible AI, LangGraph, Enterprise Architecture, Agentic Workflows, AI Security, Model Training, Feature Engineering, Model Evaluation, Agentic systems, Containerization
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Responsive Web Design, Bootstrap (Front-End Framework), HTML and CSS, Cascading Style Sheets (CSS), Front-End Web Development, Hypertext Markup Language (HTML), Web Design, Browser Compatibility, Web Development Tools, Semantic Web, UI Components, Web Analytics and SEO, Server Side, Animations, Debugging, Javascript, Data Validation
★ 4.7 (1.9K) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Azure, Cloud Services, Virtualization, Cloud Computing, Virtual Machines, Cloud Platforms, Cloud Storage, Cloud Infrastructure, Virtual Private Networks (VPN), Public Cloud, Virtual Networking, Infrastructure As A Service (IaaS), Cloud Computing Architecture, Cloud Management, Data Storage, Database Management Systems, Scalability
★ 4.5 (2.8K) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Email Marketing, Cross-Channel Marketing, Email Security, Marketing Strategies, HubSpot CRM, Risk Mitigation, Authentications, Marketing Channel, Persona Development, AI Personalization, Campaign Management, Integrated Marketing Communications, Compliance Management, Governance Risk Management and Compliance, Risk Analysis, Compliance Auditing, Data Governance, General Data Protection Regulation (GDPR), Data Security, Data Management
Beginner · Course · 3 - 6 Months