Internet courses can help you learn web development, digital marketing, cybersecurity, and data analytics. You can build skills in coding languages like HTML, CSS, and JavaScript, as well as search engine optimization (SEO) and online advertising strategies. Many courses introduce tools such as Google Analytics for tracking website performance, WordPress for content management, and various coding frameworks to streamline development processes.

Skills you'll gain: Network Security, OSI Models, Distributed Denial-Of-Service (DDoS) Attacks, Firewall, TCP/IP, Network Administration, Wireless Networks, Network Protocols, General Networking, Intrusion Detection and Prevention, Local Area Networks, Network Routers, Security Controls, Mobile Security, Authentications, Authorization (Computing)
Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Virtual Private Networks (VPN), Google Cloud Platform, Virtual Networking, Firewall, Cloud Hosting, System Configuration, Virtual Machines, Network Infrastructure
Intermediate · Project · Less Than 2 Hours

Skills you'll gain: Customer Relationship Management (CRM) Software, Sales Development, Technical Sales, Salesforce, Sales Prospecting, Sales, Lead Generation, Sales Strategy, Business Software, Productivity Software, Social Media, LinkedIn, Video Production
Beginner · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Network Performance Management, Software-Defined Networking, Network Administration, Network Routing, Wide Area Networks, Network Monitoring, Disaster Recovery, Virtual Networking, Performance Tuning, General Networking, Network Engineering, Network Planning And Design, Network Troubleshooting, Network Security, Cyber Security Assessment, Vulnerability Scanning, Continuous Monitoring, Security Management, Patch Management, Application Performance Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Wide Area Networks, Network Troubleshooting, Network Monitoring, Software-Defined Networking, Virtual Networking, Network Performance Management, Firewall, Amazon Web Services, Cloud Services, Software As A Service, TCP/IP, Cloud Technologies, Network Security, Intrusion Detection and Prevention
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Remote Access Systems, Firewall, Virtual Machines, Virtual Networking, TCP/IP, Identity and Access Management, Proxy Servers, Test Tools
Intermediate · Project · Less Than 2 Hours

LearnQuest
Skills you'll gain: Software-Defined Networking, Network Security, Infrastructure Security, Computer Networking, Local Area Networks, Network Architecture, Network Infrastructure, Wide Area Networks, Enterprise Architecture, Network Performance Management, Scalability
Beginner · Course · 1 - 4 Weeks

Cisco Learning and Certifications
Skills you'll gain: Multiprotocol Label Switching, Virtual Private Networks (VPN), Routing Protocols, Wide Area Networks, Service Level Agreement, Service Level, Network Planning And Design, Network Routing, Virtual Networking, Network Architecture, Network Security, System Configuration
Beginner · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Open Web Application Security Project (OWASP), Secure Coding, Application Security, Data Security, Cybersecurity, Cyber Attacks, Web Applications, Threat Detection, Security Awareness, Vulnerability Management, Encryption, Authentications, Authorization (Computing), PHP (Scripting Language)
Beginner · Course · 1 - 3 Months

Cisco Learning and Certifications
Skills you'll gain: TCP/IP, Wide Area Networks, Network Planning And Design, Network Monitoring, Configuration Management
Beginner · Course · 1 - 4 Weeks

Serviço Nacional de Aprendizagem Industrial - Departamento Nacional
Skills you'll gain: Google Workspace, digital literacy, Productivity Software, Google Docs, Microsoft Teams, Digital Communications, Digital Transformation, Google Sheets, Virtual Teams, Technology Solutions, Computer Literacy, Telecommuting, Events and Conferences, Collaboration, Data Sharing, Data Security, Cloud Storage, Videography
Beginner · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Private Cloud, VMware ESX Servers, VMware vSAN, Virtual Machines, Google Cloud Platform, Virtual Networking, Cloud Infrastructure, Cloud Deployment, vCenter Server, Cloud Hosting, System Configuration, General Networking, Cloud Services, Infrastructure Architecture, Cloud Storage
Intermediate · Course · 1 - 3 Months