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.

Universidad de Palermo
Skills you'll gain: Diplomacy, International Relations, World History, European History, Political Sciences, Economics, Security Strategy
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Linux Administration, Ubuntu, Lightweight Directory Access Protocols, File Systems, Linux, Linux Commands, Bash (Scripting Language), Linux Servers, Firewall, Virtual Machines, Package and Software Management, Virtualization, Remote Access Systems, Unix, File Management, Operating System Administration, Unix Shell, Shell Script, Containerization, Git (Version Control System)
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Microsoft Excel, Data Validation, Customer Data Management, Excel Formulas, Microsoft 365, Customer Relationship Management, Data Entry, Spreadsheet Software, Customer Service, Data Security, Data Management, Billing & Invoicing, User Accounts, Editing
Beginner · Guided Project · Less Than 2 Hours

Packt
Skills you'll gain: Hardening, Remote Access Systems, Linux Servers, Linux Administration, Linux, Linux Commands, Authentications, Security Controls, Cryptographic Protocols, Key Management, Public Key Infrastructure, Software Installation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: MySQL, Business Intelligence, Role-Based Access Control (RBAC), SQL, Relational Databases, Data Presentation, Data Visualization Software, Database Management, Databases, Data Access, Query Languages, Data Transformation, Performance Tuning
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Cloud Storage, Data Storage Technologies, Disaster Recovery, Data Security, Data Storage, Google Cloud Platform, Data Management, Security Controls
Beginner · Project · Less Than 2 Hours

Pontificia Universidad Católica del Perú
Skills you'll gain: User Story, Human Computer Interaction, Software Development Life Cycle, Functional Requirement, Unified Modeling Language, Requirements Analysis, Prototyping, Usability, User Experience, User Interface (UI) Design, User Requirements Documents, Interaction Design, Persona (User Experience), User Centered Design, Human Factors, System Requirements, Human Centered Design, Software Design, Software Engineering, Systems Development
Beginner · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Web Scraping, Relational Databases, Statistical Software, Data Import/Export, R Programming, MySQL, Data Capture, Microsoft Excel
Intermediate · Guided Project · Less Than 2 Hours

Board Infinity
Skills you'll gain: Node.JS, MongoDB, Middleware, Databases, Database Systems
Intermediate · Course · 1 - 4 Weeks

Fundação Instituto de Administração
Skills you'll gain: Big Data, Data Mining, Data-Driven Decision-Making, Marketing Automation, Marketing Strategies, Customer experience strategy (CX), Digital Transformation, Marketing Analytics, Ggplot2, Marketing, Data Visualization Software, Plot (Graphics), Data Modeling, R Programming, Analytics, Data Science, Data Analysis, Innovation, Business Analytics, Data Manipulation
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Dynamic Host Configuration Protocol (DHCP), Amazon Web Services, Virtual Networking, Network Infrastructure, AWS CloudFormation, Network Routing, Amazon Elastic Compute Cloud, Infrastructure as Code (IaC), Network Security, Load Balancing, Automation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Linux Administration, Linux Servers, Web Servers, Lightweight Directory Access Protocols, Email Security, Linux, Nginx, Apache, Dynamic Host Configuration Protocol (DHCP), Operating System Administration, Server Administration, Active Directory, System Configuration, Proxy Servers, Network Security, Firewall, File Management, Identity and Access Management, Authentications
Advanced · Course · 1 - 3 Months