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.

Coursera
Skills you'll gain: Postman API Platform, API Testing, Data Validation, Application Programming Interface (API), Restful API, Verification And Validation, Performance Tuning, Microservices, Performance Testing, Security Controls, Data Integrity, Authentications
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Power BI, Dashboard, Business Intelligence, Data Presentation, Data Storytelling, Data Visualization Software, Data Transformation, Data Analysis Expressions (DAX), Business Analytics, Data Modeling, Star Schema, Data-Driven Decision-Making, Pivot Tables And Charts, Key Performance Indicators (KPIs), Interactive Data Visualization, Microsoft Power Platform, Microsoft Excel, Data Management, Data Analysis, Advanced Analytics
Intermediate · Specialization · 1 - 3 Months

Google Cloud
Skills you'll gain: Kubernetes, Threat Modeling, Hardening, Verification And Validation, Google Cloud Platform, Security Controls, Vulnerability Assessments, Cloud Computing
Advanced · Project · Less Than 2 Hours

Saïd Business School, University of Oxford
Skills you'll gain: Financial Services, Artificial Intelligence, FinTech, Financial Regulation, Banking, Fraud detection, Machine Learning, Data Ethics, Natural Language Processing, AI Personalization, Deep Learning, Credit Risk, Data-Driven Decision-Making, Case Studies, Reinforcement Learning, Big Data, Algorithms, Data Management, Customer Service
Beginner · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Continuous Improvement Process, Student-Centred Learning, Innovation, Education and Training, Process Improvement, Instructional Strategies, Higher Education, Program Evaluation, Community Development, International Relations, Initiative and Leadership, Systems Thinking, Adult Learning Principles, Visionary, Community Organizing, Policy Analysis, Leadership, Collaboration, Leadership and Management, Critical Thinking
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: PyTorch (Machine Learning Library), Transfer Learning, Convolutional Neural Networks, Deep Learning, Image Analysis, Computer Vision, Model Evaluation, Data Preprocessing, Classification Algorithms
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: OSI Models, Computer Networking, Network Routers, General Networking, TCP/IP, Networking Hardware, Network Troubleshooting, Network Switches, Local Area Networks, Network Infrastructure, Network Protocols, Network Performance Management, Network Model, Network Analysis
Beginner · Course · 1 - 3 Months

Xi'an Jiaotong University
Skills you'll gain: Microsoft SQL Servers, SQL, Relational Databases, Database Management, Databases, Database Design, Database Architecture and Administration, Stored Procedure, Query Languages, Software Installation, C# (Programming Language), Data Integrity, Data Security, User Accounts
Beginner · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: JUnit, File I/O, Java Programming, Object Oriented Programming (OOP), Java, Unit Testing, Program Development, Maintainability, Software Development, Secure Coding, Software Testing, Programming Principles, Computer Programming, Test Case, Application Development, Authentications, Application Security, Application Design, Software Design Patterns, Debugging
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: JUnit, Test Driven Development (TDD), Version Control, Git (Version Control System), GitHub, Performance Tuning, Unit Testing, Data Structures, Java Programming, Algorithms, Software Testing, Java, Computer Programming, Software Development, Scalability
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Canva (Software), Social Media Content, Social Media Marketing, Social Media, Marketing Design, Graphic Design, Content Creation, Style Guides, Marketing, Branding
Beginner · Guided Project · Less Than 2 Hours

Pohang University of Science and Technology(POSTECH)
Skills you'll gain: Internet Of Things, Cloud Platforms, IBM Cloud, Application Development, Cloud Computing, Google Cloud Platform, Microsoft Azure, Amazon Web Services, Emerging Technologies, Network Protocols, Data Analysis
Beginner · Course · 1 - 3 Months