Network security courses can help you learn about firewalls, intrusion detection systems, and encryption protocols. You can build skills in risk assessment, incident response, and vulnerability management. Many courses introduce tools like Wireshark for network analysis, Nessus for vulnerability scanning, and various security information and event management (SIEM) systems, showing how these skills are applied in practical work to protect networks from cyber threats.

Skills you'll gain: Ansible, IT Automation, Infrastructure as Code (IaC), Linux Commands, Automation, Debugging, YAML, Scripting, Command-Line Interface, Encryption, Amazon Web Services, Code Reusability, Package and Software Management, Software Installation, Configuration Management, File Management
Intermediate · Course · 3 - 6 Months

Fundação Instituto de Administração
Skills you'll gain: Exploratory Data Analysis, Customer Analysis, Market Analysis, Marketing Analytics, Customer Insights, Big Data, Data Mining, Analytics, Target Market, Data Analysis, Target Audience, R Programming, R (Software), Unsupervised Learning, Data-Driven Decision-Making, Machine Learning Algorithms, Descriptive Statistics, Statistical Modeling, Data Strategy, Consumer Behaviour
Beginner · Course · 1 - 4 Weeks

Samsung
Skills you'll gain: Help Desk Support, Technical Support, Technical Support and Services, Hardware Troubleshooting, Customer Service, Product Support, Customer Engagement, Customer Support, Insurance and Warranty Claims Processing, Problem Solving, Company, Product, and Service Knowledge, Android (Operating System), Product Knowledge, Active Listening, Technical Communication, Communication
★ 4.4 (9) · Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Cloud API, Google Cloud Platform, Data Store, Medical Privacy, Application Programming Interface (API), Health Informatics, Health Information Management and Medical Records, Health Information Management, Health Technology, Data Import/Export, Cloud Computing, Data Security, Medical Imaging
★ 4.3 (6) · Intermediate · Project · Less Than 2 Hours

Google Cloud
Skills you'll gain: Responsible AI, Generative AI, Generative Model Architectures, AI Security, Large Language Modeling, Google Cloud Platform, AI Enablement, AI Integrations, Data Literacy, Artificial Intelligence and Machine Learning (AI/ML), Data-Driven Decision-Making, Artificial Intelligence, Machine Learning
Beginner · Course · 1 - 4 Weeks

Packt
Skills you'll gain: System Requirements, Virtual Networking, ESXi Installation, Computer Networking, Ubuntu, Virtual Machines, Package and Software Management, Servers
Intermediate · Course · 1 - 4 Weeks

Fractal Analytics
Skills you'll gain: AI Security, Vector Databases, Data Strategy, Data Management, Data Architecture, Data Security, Data Governance, Generative AI Agents, Metadata Management, Containerization, Data Ethics, Interoperability, Data Store, Retrieval-Augmented Generation, Taxonomy, Data Storage, Data Processing, Large Language Modeling, Machine Learning, Agentic systems
Intermediate · Course · 1 - 3 Months

Fractal Analytics
Skills you'll gain: Artificial Intelligence and Machine Learning (AI/ML), Generative Model Architectures, Data Preprocessing, AI literacy, Business Intelligence, Data Quality, Analytics, Data Analysis, Business Ethics, Business Analytics, Machine Learning Algorithms, Artificial Neural Networks, Machine Learning, Deep Learning, Data Science, Python Programming, Predictive Modeling, Unsupervised Learning
Beginner · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Business Analysis, Business Strategies, Prioritization, Stakeholder Management, Business Administration, Requirements Analysis, Requirements Management, Change Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Oracle Databases, Memory Management, Database Management, Database Architecture and Administration, Relational Databases, Database Software, Data Storage Technologies, Performance Tuning, Servers, Database Management Systems, User Accounts, Disaster Recovery, Data Storage, Role-Based Access Control (RBAC), System Configuration, Authentications
Intermediate · Course · 1 - 3 Months

Knowledge Accelerators
Skills you'll gain: AI Workflows, ChatGPT, Agentic Workflows, Prompt Patterns, Workflow Management, Email Automation, Prompt Engineering, Data Ethics, OpenAI, AI literacy, Generative AI Agents, Prompt Engineering Tools, Artificial Intelligence, AI Integrations, LLM Application, Organizational Skills, Process Optimization, Business Communication, Critical Thinking and Problem Solving, Project Planning
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Data Cleansing, Data Manipulation, Data Integration, R Programming, Data Wrangling, Data Preprocessing, Tidyverse (R Package), Data Processing, R (Software), Data Management
★ 4.2 (6) · Intermediate · Guided Project · Less Than 2 Hours