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.
Codio
Skills you'll gain: OAuth, Web Development Tools, Authentications, Web Servers, Application Programming Interface (API), API Design, Cloud API, Restful API, Server Side, Web Development, Servers, JSON, Software Documentation, Web Applications, Javascript, Web Services, Technical Documentation, Application Security
Intermediate · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: Model Optimization, Deep Learning, Tensorflow, Model Evaluation, Model Training, Applied Machine Learning, Artificial Neural Networks, Performance Tuning, Test Data, Machine Learning, Debugging, Algorithms
Beginner · Course · 1 - 4 Weeks

SkillUp
Skills you'll gain: Data Migration, Data Integration, Enterprise Architecture, Data Management, Data Pipelines, Data Integrity, Data Storage
Advanced · Course · 1 - 3 Months

Coursera
Skills you'll gain: API Testing, Test Script Development, Scenario Testing, Software Testing, Integration Testing, Test Automation, Test Tools, Maintainability, Verification And Validation, User Interface (UI), Security Testing, Test Data, Scalability, Debugging, Code Reusability, Authentications, Compliance Reporting, Automation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Web Services, Restful API, Apache Maven, Build Tools, Spring Boot, Spring Framework, Gradle, Simple Object Access Protocol (SOAP), Application Programming Interface (API), Java, Java Programming, API Design, Object-Relational Mapping, Data Persistence, Extensible Markup Language (XML)
Intermediate · Course · 3 - 6 Months
University of Michigan
Skills you'll gain: Health Policy, Substance Abuse, Lawsuits, Legal Strategy, Public Health and Disease Prevention, Litigation and Civil Justice, Legal Risk, Epidemiology, Plaintiff, Health Disparities, Regulatory Compliance, Health Equity, Policy Analysis, Research, and Development, Policy Analysis, Public Health, Policy Development, Law, Regulation, and Compliance, Trend Analysis, Public Policies, Risk Analysis
Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Regression Analysis, Statistical Hypothesis Testing, Statistical Analysis, Probability & Statistics, Statistical Methods, Statistical Programming, Probability Distribution, Data Analysis, Statistical Software, Markov Model, Data Science, Statistical Modeling, Statistics, Statistical Inference, Probability, Correlation Analysis, R Programming
Intermediate · Course · 1 - 3 Months

Korea Advanced Institute of Science and Technology(KAIST)
Skills you'll gain: Matplotlib, Tensorflow, NumPy, Pandas (Python Package), Object Oriented Programming (OOP), Seaborn, Python Programming, Artificial Intelligence and Machine Learning (AI/ML), AI Enablement, Keras (Neural Network Library), Scikit Learn (Machine Learning Library), Data Manipulation
Beginner · Course · 1 - 3 Months

Scrimba
Skills you'll gain: AI Security, Generative AI Agents, Agentic Workflows, LLM Application, AI Personalization, AI Integrations, Agentic systems, Cloud Hosting, Artificial Intelligence, Artificial Intelligence and Machine Learning (AI/ML), Cloud Deployment, Generative AI, Application Deployment
Beginner · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Recurrent Neural Networks (RNNs), Model Evaluation, AI Personalization, Data Manipulation, Apache Spark, Tensorflow, Deep Learning, Artificial Intelligence and Machine Learning (AI/ML), Data Preprocessing, Machine Learning Methods, Data Wrangling, Natural Language Processing, AWS SageMaker, Scalability, Applied Machine Learning, Data Processing, Autoencoders, Data Cleansing, Dimensionality Reduction, Machine Learning
Intermediate · Specialization · 3 - 6 Months

Corporate Finance Institute
Skills you'll gain: Market Data, Equities, Financial Market, Financial Systems, Securities (Finance), Market Liquidity, Wealth Management, Investments, Capital Markets, Financial Services, Investment Management, Cash Management, Asset Management, Financial Planning, Product Knowledge
Intermediate · Course · 1 - 3 Months

Whizlabs
Skills you'll gain: Role-Based Access Control (RBAC), Azure Active Directory, Authentications, Identity and Access Management, User Provisioning, Multi-Factor Authentication, Active Directory, User Accounts, Security Controls, Proxy Servers
Beginner · Course · 1 - 4 Weeks