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.

John Wiley & Sons
Skills you'll gain: Mergers & Acquisitions, Corporate Strategy, Business Valuation, Business Analytics, Financial Management, Corporate Finance, Stakeholder Communications, Portfolio Management, Financial Market, Business Strategy, Strategic Decision-Making, Corporate Communications, Financial Analysis, Strategic Communication, Finance, Financial Forecasting, Forecasting, Financial Acumen, Risk Analysis, Decision Making
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Wiring Diagram, Electrical Wiring, Electrical Systems, Schematic Diagrams, AutoCAD, Communication Systems, Computer-Aided Design, Electrical Equipment, Diagram Design, Drafting and Engineering Design, Autodesk, Engineering Drawings, Verification And Validation, Systems Design, Systems Integration, Safety Standards, Safety and Security
★ 4.6 (11) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Apache Spark, Distributed Computing, Data Pipelines, Performance Tuning, Scalability, Debugging, Performance Analysis, Data Processing, Analysis, Fine-tuning
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: JUnit, Apache Maven, Unit Testing, Spring Framework, Spring Boot, Restful API, API Testing, Software Testing, Test Case, Application Programming Interface (API), Gradle, Build Tools, Software Development Tools, Integration Testing, Application Frameworks, Authentications
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Online Advertising, Pay Per Click Advertising, Performance marketing, Conversion Funnel Analysis, Social Media Marketing, Social Media Strategy, Customer Engagement, Customer Insights
Beginner · Course · 1 - 4 Weeks

Sungkyunkwan University
Skills you'll gain: Portfolio Management, Portfolio Risk, Investment Management, Investments, Performance Analysis, Risk Modeling, R Programming, R (Software), Time Series Analysis and Forecasting, Risk Analysis, Financial Analysis, Market Data, Financial Modeling, Financial Forecasting, Financial Data, Statistical Programming, Risk Management, Correlation Analysis, Regression Analysis, Data Manipulation
★ 4.4 (7) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Analysis Expressions (DAX), Dashboard, Dashboard Creation, Power BI, Microsoft Power Platform, Data Visualization, Data Transformation, Data Modeling, Data Presentation, Data Import/Export, Data Wrangling, Data Visualization Software, Interactive Data Visualization, Data Analysis, Analytics, Data Cleansing, Role-Based Access Control (RBAC), Data Management
★ 4.3 (16) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Product Roadmaps, Agile Project Management, Business Analysis, Business Analysis Tools, Stakeholder Engagement, Requirements Elicitation, Requirements Analysis, Agile Product Development, Agile Software Development, Stakeholder Management, Business Requirements, Stakeholder Communications, Project Scoping, Stakeholder Analysis, Project Controls, Scope Management, Project Management, Product Planning, Project Planning, Kanban Principles
★ 5 (6) · Intermediate · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Data Visualization, Exploratory Data Analysis, Plot (Graphics), Data Presentation, Ggplot2, R (Software), Statistical Visualization, R Programming, Data Visualization Software, Data Analysis, Scatter Plots, Statistical Analysis, Histogram, Tidyverse (R Package), Public Administration, Statistical Programming, Trend Analysis
★ 4.8 (12) · Intermediate · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: Decision Intelligence, Responsible AI, Generative AI Agents, Predictive Modeling, Agentic Workflows, Decision Support Systems, Business Intelligence, Data-Driven Decision-Making, Strategic Decision-Making, Decision Making, Business Analytics, Agentic systems, MLOps (Machine Learning Operations), Forecasting, Data Storytelling, Predictive Analytics, Machine Learning, Scikit Learn (Machine Learning Library), Data Security, Text Mining
Intermediate · Specialization · 1 - 3 Months

Rutgers the State University of New Jersey
Skills you'll gain: Robotic Process Automation, Business Process Automation, Automation, Financial Auditing, Process Design, Workflow Management, Artificial Intelligence, AI Enablement, AI Integrations, Emerging Technologies, Artificial Intelligence and Machine Learning (AI/ML), Digital Transformation, Natural Language Processing, Cost Benefit Analysis, Scalability, Data Management
★ 4.1 (9) · Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Collaboration, Team Collaboration, Project Coordination, Teamwork, Coordinating, Project Management, Workflow Management, Delegation Skills, Communication Strategies
Beginner · Course · 1 - 4 Weeks