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.

Google Cloud
Skills you'll gain: Firewall, Network Security, Virtual Networking, Cloud Security, Cloud Infrastructure, Cloud Management, Network Monitoring
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Programmable Logic Controllers, Code Reusability, Performance Tuning, Computational Logic, Functional Design, Fine-tuning
Advanced · Course · 1 - 3 Months

Skills you'll gain: Cloud Infrastructure, Cloud Computing Architecture, Virtualization, Software-Defined Data Center (SDDC), VMware ESX Servers, ESXi Installation, Virtual Machines, Virtualization and Virtual Machines, Infrastructure Architecture, Cloud Computing, Containerization, Data Centers, Software Installation, System Configuration
Beginner · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Google Workspace, Calendar Management, Google Docs, Gmail, File Management, Google Sheets, Productivity Software, Collaborative Software, Setting Appointments, Scheduling, Document Management, Collaboration, Spreadsheet Software, Web Presence, Cloud Storage, Presentations, User Interface (UI), Communication
Mixed · Course · 1 - 3 Months

Coursera
Skills you'll gain: Application Deployment, No-Code Development, Cloud Deployment, Power Platform Architecture & Technical Design, Cryptographic Protocols, Cloud Security, Data Security, Data Integrity, Configuration Management, Risk Mitigation, Production Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Firewall, Network Security, Linux, Linux Administration, Security Controls, Hardening, Ubuntu, Linux Commands, File Management, Authorization (Computing), File Systems, System Configuration, Endpoint Security, Command-Line Interface
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Network Architecture, General Networking, Wireless Networks, Networking Hardware, TCP/IP, Virtual Networking, Network Routers, Network Administration, Local Area Networks, OSI Models, Network Infrastructure, Computer Networking, Virtual Local Area Network (VLAN), Network Model, Network Security, Software-Defined Networking, Network Switches, Network Protocols, System Configuration, Command-Line Interface
Beginner · Course · 1 - 3 Months

Packt
Skills you'll gain: Vulnerability Scanning, Penetration Testing, Network Monitoring, Network Security, Vulnerability Assessments, Network Administration, Security Testing, Network Protocols, Network Analysis, TCP/IP, File Transfer Protocol (FTP), Network Infrastructure, Software Installation, Ubuntu, Command-Line Interface
Intermediate · Course · 1 - 4 Weeks

University of Illinois Urbana-Champaign
Skills you'll gain: Pathology, Laboratory Testing, Pharmacology, Pharmacotherapy, Diagnostic Tests, Microbiology, Respiration, Respiratory Care, Food Safety and Sanitation, Infectious Diseases, Infection Control, Treatment Planning, Physiology, Immunology, Epidemiology, Preventative Care, Public Health and Disease Prevention, Public Health
Beginner · Course · 1 - 3 Months

Total Seminars
Skills you'll gain: OSI Models, Network Troubleshooting, Network Protocols, Local Area Networks, Network Model, TCP/IP, General Networking, Networking Hardware, Network Architecture, Computer Networking, Network Infrastructure, Network Switches, Network Monitoring, Hardware Troubleshooting, Network Analysis
Beginner · Course · 1 - 3 Months

Skills you'll gain: Amazon Web Services, Cloud Deployment, Cloud Development, Cloud Applications, Application Programming Interface (API), Amazon Elastic Compute Cloud, Cloud Engineering, API Gateway, Cloud Infrastructure, Development Environment, Serverless Computing, Software Development, System Configuration, Amazon S3, Infrastructure Security, Network Administration, Software Visualization, Restful API, TypeScript
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Multi-Cloud, AI Security, Enterprise Architecture, Cloud Computing Architecture, Security Architecture Review, Capacity Management, Cloud Platforms, Solution Architecture, Systems Architecture, Cloud Infrastructure, Infrastructure Architecture, Cloud Services, Artificial Intelligence and Machine Learning (AI/ML), Scalability, CI/CD, Infrastructure As A Service (IaaS), Capacity Planning, Systems Analysis, Security Controls, Blueprinting
Intermediate · Course · 1 - 4 Weeks