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.

National Taiwan University
Skills you'll gain: Operations Research, Mathematical Modeling, Report Writing, Network Model, Applied Mathematics, Business Modeling, Industrial Engineering, Research Reports, Model Optimization, Linear Algebra, Numerical Analysis, Operational Analysis, Statistical Machine Learning, Inventory Control, Case Studies, Process Optimization, Algorithms, Project Design, Machine Learning, Business Analytics
★ 4.8 (734) · Beginner · Specialization · 3 - 6 Months

Microsoft
Skills you'll gain: Microsoft Copilot, CI/CD, Cascading Style Sheets (CSS), GitHub, C# (Programming Language), HTML and CSS, SQL, Database Management, Azure DevOps, Object Oriented Design, Continuous Integration, Version Control, Git (Version Control System), Object Oriented Programming (OOP), ASP.NET, Full-Stack Web Development, Web Development, Secure Coding, .NET Framework, Graph Theory
★ 4.6 (524) · Beginner · Professional Certificate · 3 - 6 Months
Madecraft
Skills you'll gain: Big Data, Regression Analysis, Business Analytics, Data-Driven Decision-Making, Data Strategy, Data Storytelling, Business Intelligence, Dashboard, Data Infrastructure, Strategic Thinking, Data Architecture, Strategic Decision-Making, Business Strategies, Data Warehousing, Data Processing, Data Visualization, Data Analysis Software, Statistical Analysis, R Programming, SPSS
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Incident Response, Computer Security Incident Management, Endpoint Detection and Response, Cyber Threat Intelligence, Intrusion Detection and Prevention, Threat Detection, Cyber Attacks, Cybersecurity, Network Security, Digital Forensics, Network Monitoring, Data Security, Network Analysis, Exploitation techniques, Malware Protection, Memory Management
★ 4.8 (97) · Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Exploratory Data Analysis, Data Visualization, Plot (Graphics), Statistical Visualization, Ggplot2, Dimensionality Reduction, Data Visualization Software, R Programming, R (Software), Graphing, Data Analysis, Statistical Analysis, Unsupervised Learning, Statistical Methods
★ 4.7 (6.1K) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Test Driven Development (TDD), Unit Testing, Test Script Development, Test Automation, Test Case, Development Testing, Software Testing, Python Programming, Requirements Analysis
★ 3.8 (30) · Intermediate · Course · 1 - 3 Months

University at Buffalo
Skills you'll gain: Manufacturing and Production, Digital Transformation, Manufacturing Processes, Manufacturing Operations, Industrial Engineering, Production Process, Product Design, Automation, Digital Design, Digital Analysis, Safety and Security, Advanced Analytics, Technology Roadmaps, Cybersecurity, Big Data
★ 4.7 (3.6K) · Beginner · Course · 1 - 4 Weeks

Total Seminars
Skills you'll gain: Serverless Computing, Amazon Web Services, Cloud Applications, Database Architecture and Administration, Database Design, Application Deployment, Amazon DynamoDB, Database Administration, Cloud Deployment, Data Architecture, AWS CloudFormation, Data Infrastructure, Database Management, Cloud Development, Cloud Infrastructure, Relational Databases, Databases, Cloud Security, Cloud Management, AWS Identity and Access Management (IAM)
Intermediate · Course · 1 - 3 Months

Unilever
Skills you'll gain: Data Governance, Descriptive Analytics, Data Storytelling, Supply Chain, Data Presentation, Supply Chain Management, Demand Planning, Data Literacy, Presentations, Supply Chain Systems, Supply Chain Planning, Process Improvement, Data Management, Process Improvement and Optimization, Data Lakes, Supply Management, Predictive Analytics, Data Analysis, Data Visualization, Problem Solving
★ 4.7 (690) · Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: AI Enablement, Business Leadership, Decision Intelligence, Strategic Leadership, Governance Risk Management and Compliance, Generative AI, Agentic Workflows, Regulatory Compliance, Generative AI Agents, Risk Control, Business Transformation, Risk Management, Business Ethics, Strategic Decision-Making, Business Analysis, Business Management, Business Planning, Artificial Intelligence, Change Management, Stakeholder Management
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Email Security, Email Marketing, Email Automation, Authentications, Marketing Effectiveness, Campaign Management, Data Cleansing, Data Quality, Auditing, Digital Marketing, Driving engagement, Marketing Analytics, Data Maintenance, Campaign Planning, Customer Engagement, Continuous Monitoring, Brand Management, Risk Analysis, Analysis
Beginner · Course · 1 - 4 Weeks

University of Minnesota
Skills you'll gain: Software Design Patterns, Software Design, Software Engineering, Application Security, Security Architecture Review, Software Architecture, Software Quality (SQA/SQC), Threat Modeling, Application Deployment, IT Security Architecture, Continuous Delivery, Software Testing, Continuous Integration, CI/CD, Test Driven Development (TDD), Software Development Tools, Software Documentation, Build Tools, Style Guides
★ 4.5 (475) · Intermediate · Course · 1 - 3 Months