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: Feature Engineering, Autoencoders, Machine Learning Methods, Model Optimization, Deep Learning, Supervised Learning, Regression Analysis, Statistical Machine Learning, Random Forest Algorithm, Decision Tree Learning, Applied Machine Learning, Artificial Neural Networks, Machine Learning Algorithms, Classification Algorithms, Predictive Modeling, Model Training, Dimensionality Reduction, Machine Learning, Embeddings, Model Evaluation
Intermediate · Course · 3 - 6 Months

SkillUp
Skills you'll gain: Health Insurance Portability And Accountability Act (HIPAA) Compliance, Computer Security Incident Management, Security Management, Incident Management, Health Information Management and Medical Records, Philanthropy
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Active Directory, Windows Servers, Microsoft Servers, Firewall, Google Cloud Platform, Virtual Networking, Virtual Machines, Servers, Cloud Infrastructure, Network Planning And Design, System Testing, Network Security, SQL
Advanced · Project · Less Than 2 Hours

Skills you'll gain: Prompt Engineering, Prompt Engineering Tools, API Testing, Test Automation, Test Script Development, Prompt Patterns, Test Tools, Claude Code, Software Testing, Test Case, AI Integrations, Functional Testing, Quality Assurance, GitHub Copilot, Application Programming Interface (API), Restful API, Test Data, Automation, AI Security, Debugging
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Model Evaluation, Statistical Modeling, Applied Machine Learning, Unsupervised Learning, Statistical Machine Learning, Data Science, Decision Tree Learning, Statistical Methods, Classification And Regression Tree (CART), Artificial Neural Networks, Statistical Analysis, Regression Analysis, Predictive Modeling, Machine Learning Methods, Classification Algorithms, Supervised Learning, R Programming, Statistical Inference, Machine Learning Algorithms, Dimensionality Reduction
Build toward a degree
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: AI Workflows, Agentic Workflows, Generative AI Agents, Agentic systems, AI Orchestration, AI Integrations, Advanced Analytics, Enterprise Architecture, Automation, Artificial Intelligence, Continuous Improvement Process, Data Quality, Scalability, Performance Tuning, Software Design Patterns
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Meta Ads Manager, Facebook, Advertising Campaigns, Social Media Campaigns, Online Advertising, Account Management, Social Media Management, Digital Advertising, User Accounts, Social Media, Web Presence, Social Media Marketing
Beginner · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Data Pipelines, Apache Airflow, Data Integration, Cloud Deployment, Extract, Transform, Load, Cloud Computing, Data Infrastructure, Data Processing, Data Warehousing, Data Architecture
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: OAuth, Unit Testing, Apache Airflow, Fine-tuning, Model Evaluation, Data Validation, API Design, Test Driven Development (TDD), Data Integrity, Extract, Transform, Load, Model Training, Multimodal Prompts, Natural Language Processing, MLOps (Machine Learning Operations), OpenAI API, Data Presentation, Hugging Face, Token Optimization, CI/CD, Tensorflow
Intermediate · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Process Capability, Statistical Process Controls, R (Software), Statistical Analysis, Statistical Software, Data Analysis Software, R Programming, Quality Control, Probability & Statistics, Quality Improvement, Statistical Methods, Plot (Graphics), Process Analysis, Data Transformation, Statistical Hypothesis Testing, Probability Distribution
Build toward a degree
Intermediate · Course · 1 - 3 Months

Korea Advanced Institute of Science and Technology(KAIST)
Skills you'll gain: Artificial Intelligence and Machine Learning (AI/ML), Artificial Intelligence, Materials science, AI literacy, Artificial Neural Networks, Process Modeling, Image Analysis, Computer Vision, Manufacturing Processes, Machine Learning
Beginner · Course · 1 - 3 Months

Pontificia Universidad Católica de Chile
Skills you'll gain: Basic Electrical Systems, Electronic Components, Electrical Engineering, Electrical Systems, Electronics, Network Analysis, Engineering Analysis, Physics, Schematic Diagrams, Simulation and Simulation Software, Engineering Calculations, Mathematical Modeling
Beginner · Course · 1 - 4 Weeks