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.

Johns Hopkins University
Skills you'll gain: Bioinformatics, Image Analysis, Biostatistics, Data Science, Data-Driven Decision-Making, Decision Intelligence, Data Structures, Statistical Hypothesis Testing, Biomedical Engineering, Precision Medicine, Statistical Methods, Computer Vision, Algorithms, Statistical Inference, Diagnostic Tests, Image Quality, Magnetic Resonance Imaging, Program Development, Probability Distribution, Scalability
Intermediate · Course · 1 - 3 Months

Skills you'll gain: React.js, Front-End Web Development, Event-Driven Programming, Javascript, Context Management, Web Applications, UI Components, Cascading Style Sheets (CSS), Scalability
Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Unit Testing, .NET Framework, Software Testing, Event-Driven Programming, Test Tools, Application Frameworks, Maintainability, Verification And Validation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, Prompt Patterns, Token Optimization, LLM Application, MLOps (Machine Learning Operations), Retrieval-Augmented Generation, Technical Documentation, Performance Tuning, Large Language Modeling, Technical Writing, Model Optimization, Configuration Management, Performance Testing, Data Maintenance, Benchmarking, Requirements Analysis
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Instagram, Content Creation, Social Media Management, Social Media, Drive Engagement, Social Media Content, Driving engagement, Social Media Marketing, Social Media Strategy, Customer Engagement, Marketing, Business
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: SQL Server Reporting Services, Business Intelligence, Business Intelligence Software, Business Reporting, Data Visualization, Interactive Data Visualization, Application Deployment, Microsoft SQL Servers, Report Writing, SQL, Role-Based Access Control (RBAC), Data Sharing
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Capacity Management, Information Technology Infrastructure Library, IT Service Management, Service Management, Problem Management, Change Control, IT Management, Service Level, Security Management, Capacity Planning, Incident Management, Service Level Agreement, Change Management, Change Requests, Information Technology Operations, Information Assurance, Security Controls, Organizational Change, Help Desk Support, Computer Security Incident Management
Intermediate · Course · 3 - 6 Months

Google Cloud
Skills you'll gain: Cloud API, Cloud Deployment, Application Programming Interface (API), Restful API, Google Cloud Platform, Cloud Applications, Web Services, Proxy Servers, Javascript, Data Store, Code Reusability
Beginner · Project · Less Than 2 Hours

Skills you'll gain: IT Infrastructure, Systems Administration, Configuration Management
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Java Programming, Development Environment, Java, Integrated Development Environments, Key Management, Software Development Tools, Cryptographic Protocols, Encryption, Cryptography, Performance Tuning, Memory Management, Scalability, Software Installation
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Plot (Graphics), Scripting, Scientific Visualization, Data Visualization, Graphing, Scripting Languages, Data Visualization Software, Scalability, Text Mining, Statistical Analysis, Time Series Analysis and Forecasting, Statistical Methods, Mathematical Software, File I/O, Software Installation, Numerical Analysis, Mathematical Modeling, Code Reusability, Python Programming, Data Analysis
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Portfolio Management, Investment Management, Wealth Management, Tax Management, Portfolio Risk, Business Risk Management, Asset Management, Investments, Private Equity, Financial Services, Cash Management, Bank Regulations, Capital Markets, Risk Management, Return On Investment, Risk Analysis, Tax Planning, Real Estate, Market Liquidity, Derivatives
Beginner · Course · 1 - 3 Months