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.

LearnQuest
Skills you'll gain: Data Analysis, Analysis, Analytics, Statistical Analysis, Statistical Programming, Spreadsheet Software, Analytical Skills, Exploratory Data Analysis, Descriptive Analytics, Data Processing, Data Cleansing, Statistical Methods, Data Collection, Advanced Analytics, Statistics, R (Software), Predictive Analytics, Data Presentation, Query Languages, Data Visualization
★ 3.5 (36) · Beginner · Course · 1 - 3 Months

KodeKloud
Skills you'll gain: Memory Management, Back-End Web Development, Go (Programming Language), Code Reusability, Software Design Patterns, Computer Programming Tools, Data Store, Software Architecture, Data-oriented programming, Systems Design, Data Structures, System Programming, Programming Principles, Object Oriented Programming (OOP), Cloud Development, Computer Programming, Logical Reasoning, Programmable Logic Controllers, Application Development, Open Source Technology
Beginner · Specialization · 1 - 3 Months

Rice University
Skills you'll gain: Java Programming, Dataflow, Java, Distributed Computing, Programming Principles, Application Frameworks, Algorithms, Performance Tuning, Functional Design, Scalability
★ 4.6 (1.2K) · Intermediate · Course · 1 - 3 Months

Duke University
Skills you'll gain: Regression Analysis, R (Software), Statistical Programming, Statistical Software, Statistical Analysis, R Programming, Statistical Modeling, Statistical Inference, Correlation Analysis, Data Analysis, Statistical Methods, Model Evaluation, Mathematical Modeling, Statistics, Predictive Modeling, Probability & Statistics, Statistical Hypothesis Testing
★ 4.8 (1.8K) · Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Email Marketing, Data-Driven Marketing, Marketing Automation, Marketing Operations, Copywriting, A/B Testing, Information Privacy, Campaign Management, Data-Driven Decision-Making, Email Security, Target Audience, Conversion Funnel Analysis, Content Optimization, HubSpot CRM, General Data Protection Regulation (GDPR), Customer Data Management, Content Performance Analysis, Email Automation, Compliance Management, Marketing Analytics
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Consultative Selling, Verbal Communication Skills, Communication, Consumer Behaviour, Selling Techniques, Trustworthiness, Marketing Psychology, Communication Strategies, Customer Analysis, Persuasive Communication, Sales, General Sales Practices, Sales Strategy, Needs Assessment, Customer Relationship Building, Motivational Skills, Rapport Building, Customer Insights, Relationship Building, Empathy
Intermediate · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Cash Flows, Financial Statement Analysis, Financial Statements, Financial Accounting, Depreciation, Fixed Asset, Equities, Financial Analysis, Financial Reporting, Property Accounting, Balance Sheet, Accounting, Market Liquidity, Accounts Payable
★ 4.7 (1.8K) · Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: LinkedIn, Professional Networking, Growth Mindedness, Personal Development, Interviewing Skills, Goal Setting, Self-Awareness, Web Presence, Accountability Frameworks, Culture Transformation, Lifelong Learning, Financial Planning, Finance, Follow Through, Self-Motivation, Accountability, Business Transformation, Professionalism, Adult Education, Relationship Building
Beginner · Course · 1 - 3 Months

Skills you'll gain: Enterprise Architecture, Systems Architecture, OAuth, Enterprise Modeling, Solution Architecture, Data Architecture, Authentications, Software Architecture, Service Oriented Architecture, Process Modeling, Process Driven Development, .NET Framework, Authorization (Computing), Middleware, Single Sign-On (SSO), Systems Design, Data Management, Data Governance, API Design, Scalability
Intermediate · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Flutter (Software), Cross Platform Development, Mobile Development, Cloud Development, Google Cloud Platform, Development Environment, Package and Software Management, Application Frameworks, Web Development, Network Security
★ 4.2 (183) · Beginner · Project · Less Than 2 Hours
University of Pennsylvania
Skills you'll gain: Influencing, Relationship Building, Professional Networking, Persuasive Communication, Organizational Effectiveness, Organizational Structure, Relationship Management, Business Ethics, Ethical Standards And Conduct, Decision Making, Strategic Partnership, Social Network Analysis, Proactivity, General Networking, Self-Awareness
★ 4.7 (346) · Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Model Evaluation, Time Series Analysis and Forecasting, Feature Engineering, Inventory Management, Model Training, Demand Planning, Matplotlib, Inventory Control, Predictive Modeling, Forecasting, Exploratory Data Analysis, Data Visualization, Model Optimization, Pandas (Python Package), Data Manipulation, Data Transformation, Machine Learning
★ 3.9 (10) · Intermediate · Course · 1 - 4 Weeks