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: Fraud detection, Marketing Analytics, Data-Driven Marketing, Predictive Modeling, People Analytics, Customer Analysis, Feature Engineering, Marketing Effectiveness, Exploratory Data Analysis, Anomaly Detection, Customer Retention, Advanced Analytics, Marketing Strategies, Job Analysis, Predictive Analytics, Analytics, R Programming, Credit Risk, R (Software), Applied Machine Learning
★ 4.6 (15) · Beginner · Specialization · 1 - 3 Months

LearnKartS
Skills you'll gain: Google Cloud Platform, Cloud Computing Architecture, Cloud Solutions, Cloud Engineering, Solution Architecture, Cloud Infrastructure, Cloud Security, Cloud Computing, Infrastructure Architecture, Cloud Services, Scalability, Performance Tuning, System Monitoring, Operational Excellence
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Command-Line Interface, Unix Commands, Remote Access Systems, Linux Commands, Unix Shell, Unix, System Configuration, Computer Hardware, Data Maintenance, Package and Software Management, Linux Administration, File Systems, Embedded Systems, USB, Operating Systems, File Management, Scripting, Peripheral Devices, Software Installation
Beginner · Course · 3 - 6 Months

Fundação Instituto de Administração
Skills you'll gain: Predictive Analytics, Customer Relationship Management, Machine Learning Methods, Customer Relationship Management (CRM) Software, Predictive Modeling, Data Literacy, Customer Data Management, Advanced Analytics, Data-Driven Decision-Making, Applied Machine Learning, Machine Learning Algorithms, Artificial Intelligence, Machine Learning, AI literacy, Deep Learning, Artificial Neural Networks
★ 4.7 (7) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Penetration Testing, Lightweight Directory Access Protocols, Active Directory, Windows PowerShell, Open Web Application Security Project (OWASP), Exploitation techniques, Test Script Development, Security Testing, API Testing, Vulnerability Scanning, Cloud Security, Windows Servers, Microsoft Servers, IT Automation, Scripting, Application Programming Interface (API), Microsoft Azure, Vulnerability Assessments, MySQL Workbench, Cloud Computing
Intermediate · Course · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: R (Software), R Programming, Statistical Programming, Statistical Analysis, Statistical Methods, Debugging, File I/O, Data Analysis, Simulations, Programming Principles, Code Reusability, Data Import/Export, Data Processing, Data Structures, Data Manipulation, Computer Programming, Performance Tuning, Software Installation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Model Evaluation, Model Optimization, Model Deployment, MLOps (Machine Learning Operations), Transfer Learning, Image Quality, Model Training, Image Analysis, Analysis, Computer Vision, Tensorflow, Data Quality, Failure Analysis, Data Pipelines, Deep Learning, PyTorch (Machine Learning Library), Applied Machine Learning, Performance Analysis, Docker (Software), Python Programming
Intermediate · Specialization · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: Retrieval-Augmented Generation, Vector Databases, Prompt Engineering, MongoDB, Token Optimization, Operational Databases, Query Languages, Metadata Management, Performance Tuning, Embeddings, Large Language Modeling, Data Pipelines
Intermediate · Project · Less Than 2 Hours

Skills you'll gain: Load Balancing, Virtual Networking, Google Cloud Platform, Virtual Private Networks (VPN), General Networking, Software-Defined Networking, Network Architecture, Computer Networking, Network Routing, Network Administration, Identity and Access Management, User Accounts, Firewall, Network Security, Cloud Services, Virtual Machines, Role-Based Access Control (RBAC), Multi-Tenant Cloud Environments
Intermediate · Course · 1 - 3 Months

University of the Arts London
Skills you'll gain: AI powered creativity, PyTorch (Machine Learning Library), Artificial Intelligence, Model Training, Artificial Intelligence and Machine Learning (AI/ML), AI literacy, Creative Thinking, Generative AI, Artificial Neural Networks, Responsible AI, Creative Problem-Solving, Generative Model Architectures, Creative Design, Data Ethics, Critical Thinking
★ 4.4 (9) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Authentications, Cryptography, Encryption, .NET Framework, Security Testing, Application Security, Hardening, Data Security, Data Access, Exploitation techniques, Application Frameworks, Application Development, Data Validation, Development Environment
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Oracle Cloud, Performance Tuning, Stored Procedure, Database Administration, Product Automation, Data Loss Prevention, Data Security, Configuration Management, Virtualization, Software Installation
Intermediate · Specialization · 3 - 6 Months