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: SQL, Oracle Databases, Database Management, Database Development, Relational Databases, Database Design, Query Languages, Data Integrity, Data Maintenance
★ 4.6 (168) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Patient Registration, Medical Records, Medical Billing and Coding, Medical Office Procedures, Health Insurance Portability And Accountability Act (HIPAA) Compliance, Patient Communication, Health Information Management, Revenue Cycle Management, Electronic Medical Record, Records Management, Clinical Documentation, Patient Safety, Care Coordination, Data Entry, Scheduling, Inventory Management System, Medical Terminology, Regulatory Compliance, Key Performance Indicators (KPIs), Quality Assurance
★ 4 (26) · Beginner · Specialization · 3 - 6 Months

LearnQuest
Skills you'll gain: Time Series Analysis and Forecasting, Demand Planning, Trend Analysis, Data Visualization, Regression Analysis, Plot (Graphics), Forecasting, Statistical Analysis, Predictive Modeling, Correlation Analysis, Predictive Analytics, Applied Machine Learning, Supply Chain, Supply Chain Management, Data Analysis, Pandas (Python Package), Statistical Modeling, Machine Learning, Python Programming
★ 3.3 (39) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Engineering, Snowflake Schema, Data Pipelines, Retrieval-Augmented Generation, Generative AI, Model Deployment, Data Architecture, Responsible AI, Embeddings, Data Transformation, Data Processing, Data Governance, Data Management, Data Quality, Business Logic, SQL, Data Collection, Data Entry, Data Security, Python Programming
Beginner · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Payment Systems, Payment Processing, Financial Inclusion, FinTech, Mobile Banking, Credit/Debit Card Processing, Emerging Technologies, Transaction Processing, Security Controls, Value Propositions
★ 4.7 (1.8K) · Beginner · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Deep Learning, Model Evaluation, Unsupervised Learning, Machine Learning, Regression Analysis, Artificial Intelligence and Machine Learning (AI/ML), Applied Machine Learning, Artificial Neural Networks, Decision Tree Learning, Model Training, Computer Vision, Logistic Regression, Supervised Learning, Machine Learning Algorithms, Natural Language Processing, Data Science, Predictive Analytics
★ 4.7 (863) · Intermediate · Course · 1 - 3 Months

Infosec
Skills you'll gain: MITRE ATT&CK Framework, Threat Detection, Cybersecurity, Network Security, Penetration Testing, Intrusion Detection and Prevention, System Monitoring, Cyber Operations, Threat Management, Continuous Monitoring, Exploitation techniques, Cyber Attacks, Data Persistence, Scripting, IT Automation, Network Monitoring, Persistence, Python Programming, Data Access, Computer Programming
★ 4.5 (560) · Intermediate · Specialization · 3 - 6 Months

Kennesaw State University
Skills you'll gain: Wireless Networks, Mobile Security, General Networking, Proxy Servers, Network Security, Cybersecurity, Telecommunications, Virtual Private Networks (VPN), Infrastructure Security, Data Security, Security Awareness, Remote Access Systems, Network Protocols, Information Privacy, Communication Systems, Emerging Technologies
★ 4.9 (10) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Microsoft Azure, Azure Active Directory, Virtual Machines, Virtual Private Networks (VPN), Cloud Computing, Disaster Recovery, Azure DevOps, Containerization, Cloud Infrastructure, Cloud Storage, IT Management, Role-Based Access Control (RBAC), Scalability, Data Management, User Accounts, Identity and Access Management, Authorization (Computing), Network Security, Continuous Monitoring, System Configuration
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Java Programming, Java, Performance Tuning, Memory Management, Web Servers, Web Applications, Server Side, Computer Networking, TCP/IP, OS Process Management, Context Management, Software Development, Encryption, Network Protocols, Scalability, Maintainability
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Amazon CloudWatch, Infrastructure as Code (IaC), AWS CloudFormation, Cloud Management, Amazon Web Services, Multi-Tenant Cloud Environments, System Monitoring, Cloud Infrastructure, Cloud Deployment, Systems Administration, Configuration Management, System Configuration, Continuous Monitoring, Event Monitoring, Data Governance, Security Controls
Intermediate · Course · 1 - 4 Weeks
University of Michigan
Skills you'll gain: HTML and CSS, PHP (Scripting Language), Hypertext Markup Language (HTML), MySQL, Web Applications, Web Development, Secure Coding, Cascading Style Sheets (CSS), Development Environment, Back-End Web Development, Database Development, Web Servers, Scripting Languages, Programming Principles, Network Protocols, Software Installation, Data Validation
★ 4.7 (4.3K) · Intermediate · Course · 1 - 3 Months