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.

EDUCBA
Skills you'll gain: Performance Tuning, Microsoft Azure, Database Administration, Scalability, Relational Databases, Microsoft SQL Servers, Database Architecture and Administration, Database Management, Database Systems, Operational Databases, Data Migration, Transact-SQL, Stored Procedure, Cloud Security, Cloud Deployment, Disaster Recovery, Virtual Machines
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: vSphere Networking and Storage, VMware vSAN, vCenter Server, Virtual Networking, iSCSI Configuration, Virtual Machines, Network Administration, Servers, Data Storage Technologies, Network Security, Data Storage, Network Switches, Role-Based Access Control (RBAC)
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Cloud Computing Architecture, Application Performance Management, Google Cloud Platform, Cloud Management, Prometheus (Software), Network Monitoring, Kubernetes, Cloud Applications, System Monitoring, Network Analysis, Debugging, Query Languages
Beginner · Course · 1 - 3 Months

Skills you'll gain: Kubernetes, CI/CD, Google Cloud Platform, Continuous Delivery, Application Performance Management, Continuous Integration, Cloud Infrastructure, Cloud Applications, Cloud Storage, Security Controls, Database Management, Authorization (Computing), Role-Based Access Control (RBAC), Authentications, Managed Services, Identity and Access Management
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Incident Response, Computer Security Incident Management, Cybersecurity, Google Cloud Platform, Malware Protection, Threat Detection, Security Information and Event Management (SIEM)
Intermediate · Project · Less Than 2 Hours

Illinois Tech
Skills you'll gain: Database Design, Relational Databases, Database Theory, Data Modeling, Unified Modeling Language, Database Management, Databases, Data Integrity, Diagram Design, Dependency Analysis, Conceptual Design, Requirements Analysis
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Retail Management, Retail Store Operations, Merchandising, Revenue Management, Customer Analysis, Customer Insights, Product Assortment, Promotional Strategies, Strategic Marketing, Market Intelligence, Price Negotiation, Consumer Behaviour, E-Commerce, Inventory Management System, Operations Management, Competitive Analysis, Organizational Structure
Mixed · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Google Gemini, Google Workspace, Generative AI, AI Security, Agentic Workflows, Prompt Engineering, Large Language Modeling, Enterprise Security, Research Reports
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Apple iOS, Apple Xcode, iOS Development, Core Data (Software), Secure Coding, Application Deployment, Scalability, Swift Programming, Performance Tuning, Application Security, Debugging, Application Performance Management, Application Programming Interface (API), Performance Testing, Encryption, JSON
Intermediate · Course · 1 - 4 Weeks

Splunk Inc.
Skills you'll gain: Data Modeling, Splunk, Pivot Tables And Charts, Data Management, Database Management, Query Languages, Data Integration, Performance Tuning, Data Science, Data Analysis, Big Data, Business Intelligence, Business Analytics, Geospatial Information and Technology, Statistics
Beginner · Course · 1 - 4 Weeks

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Linux Commands, Shell Script, Unix Commands, Operating System Administration, Systems Administration, File I/O, Data Management, Process Management, Software Development, Computer Security
Intermediate · Course · 1 - 3 Months

Whizlabs
Skills you'll gain: Multi-Factor Authentication, Role-Based Access Control (RBAC), Authentications, Azure Active Directory, Zero Trust Network Access, Identity and Access Management, User Provisioning, Security Controls, Cloud Security, User Accounts
Beginner · Course · 1 - 4 Weeks