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: Image Analysis, Model Training, Supervised Learning, Applied Machine Learning, Model Evaluation, Machine Learning Methods, Demand Planning, Artificial Intelligence and Machine Learning (AI/ML), Predictive Modeling, Anomaly Detection, Artificial Intelligence, Convolutional Neural Networks, Model Optimization, Statistical Machine Learning, Supply Chain Management, Machine Learning, Computer Vision, Machine Learning Algorithms, Supply Chain, Natural Language Processing
★ 3.2 (15) · Intermediate · Course · 1 - 4 Weeks

The University of Melbourne
Skills you'll gain: Financial Analysis, Financial Statement Analysis, Financial Statements, Corporate Finance, Corporate Strategy, Financial Management, Financial Accounting, Portfolio Risk, Financial Acumen, Accounting, Financial Systems, Investments, Capital Markets, Market Liquidity, Balance Sheet, Derivatives, Financial Modeling, Financial Market, Income Statement, Investment Management
★ 4.7 (2K) · Intermediate · Specialization · 3 - 6 Months

LearnQuest
Skills you'll gain: Blockchain, Interoperability, Network Architecture, Solution Architecture, Software Architecture, Infrastructure Architecture, Enterprise Architecture, Cryptography, Identity and Access Management, Emerging Technologies, Quantum computing, Threat Modeling, Systems Integration, Solution Design, Enterprise Security, Scalability, Requirements Analysis, Prototyping
Intermediate · Course · 1 - 3 Months

Multiple educators
Skills you'll gain: Data Literacy, Data Storytelling, Data-Driven Decision-Making, Cloud Solutions, Cloud Security, Statistical Modeling, Business Analytics, Infrastructure as Code (IaC), Team Oriented, Advanced Analytics, Virtual Machines, Data Mining, Hybrid Cloud Computing, System Monitoring, Enterprise Security, Data Processing, Data Manipulation, Statistical Software, Data Import/Export, Computer Programming
★ 4.5 (111) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Keras (Neural Network Library), Convolutional Neural Networks, Reinforcement Learning, Deep Learning, Model Optimization, Autoencoders, Generative AI, Unsupervised Learning, Tensorflow, Generative Adversarial Networks (GANs), Generative Model Architectures, Transfer Learning, Applied Machine Learning, Artificial Intelligence and Machine Learning (AI/ML), Model Training, Time Series Analysis and Forecasting
★ 4.4 (1K) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Prometheus (Software), Grafana, System Monitoring, Dashboard Creation, Site Reliability Engineering, Kibana, Devops Tools, Performance Metric, DevOps, Continuous Monitoring, Performance Measurement, Systems Administration, Interactive Data Visualization, Data Visualization, Query Languages, Real Time Data, Scalability, Docker (Software)
Beginner · Course · 1 - 3 Months

Skills you'll gain: Reinforcement Learning, Artificial Intelligence and Machine Learning (AI/ML), AI Orchestration, LLM Application, Generative AI Agents, Agentic Workflows, Artificial Intelligence, Agentic systems, Large Language Modeling, Machine Learning Methods, Cloud Services, Responsible AI, Cloud Deployment, Machine Learning Algorithms, Front-End Web Development, Python Programming, Scalability, Data Science, Data Management
Intermediate · Course · 1 - 4 Weeks
Emory University
Skills you'll gain: Social Media Analytics, Pivot Tables And Charts, Customer Analysis, Probability Distribution, Customer Demand Planning, Marketing Analytics, Demand Planning, Forecasting, Consumer Behaviour, Descriptive Statistics, Data-Driven Marketing, Social Media Marketing, Exploratory Data Analysis, Probability, Statistical Analysis, Target Market, Social Media, Model Evaluation, Microsoft Excel, Marketing
★ 4.3 (533) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Management Consulting, Consulting, Business Consulting, Problem Solving, Ethical Standards And Conduct, Consultative Approaches, Complex Problem Solving, Root Cause Analysis, Analysis, Technical Consulting, Business Ethics, Workforce Development, Professional Development, Decision Making, Business Strategy, Business Acumen, Networking Hardware
Beginner · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: Artificial Intelligence and Machine Learning (AI/ML), AI Enablement, Artificial Intelligence, AI Product Strategy, Artificial Neural Networks, Deep Learning, AI literacy, Responsible AI, Data Ethics, Machine Learning, Data Science
★ 4.8 (969) · Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Angular, JavaScript Frameworks, Application Deployment, UI Components, Application Frameworks, Frontend Performance, Server Side, Restful API, Code Reusability, Software Architecture, Maintainability
★ 4.1 (12) · Beginner · Course · 1 - 4 Weeks

Fortinet, Inc.
Skills you'll gain: Firewall, Network Security, Virtual Private Networks (VPN), Network Administration, IT Security Architecture, Intrusion Detection and Prevention, Network Infrastructure, Enterprise Security, Network Architecture, Infrastructure Security, Remote Access Systems, Security Controls, System Configuration, Security Software, Performance Tuning, Cybersecurity, API Gateway, Hardware Architecture, Malware Protection, Threat Detection
★ 4.4 (23) · Intermediate · Course · 1 - 3 Months