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.

28DIGITAL
Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Teradata SQL, Data Modeling, Database Design, Database Administration, Database Systems, Data Store, Database Architecture and Administration, Database Management, Database Management Systems, Relational Databases, Data Architecture, Data Warehousing, SQL, Data Import/Export, Query Languages, Data Processing, Extract, Transform, Load, Software Installation, Performance Tuning, Role-Based Access Control (RBAC)
Beginner · Course · 1 - 3 Months

John Wiley & Sons
Skills you'll gain: Threat Modeling, Secure Coding, Application Security, Open Web Application Security Project (OWASP), Cybersecurity, DevSecOps, Cryptographic Protocols, Security Controls, Computer Security, Cryptography, Data Access, Database Application, Encryption, Data Security, Information Assurance, Data Validation, Authorization (Computing), Data Integrity, Computer Programming, Identity and Access Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Distributed Denial-Of-Service (DDoS) Attacks, Network Security, Intrusion Detection and Prevention, Cybersecurity, Threat Detection, Penetration Testing, Vulnerability Assessments, Firewall, Hardening, Exploitation techniques, Human Factors (Security), Network Analysis
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: OpenShift, Application Deployment, Kubernetes, Containerization, Cloud-Native Computing, Data Persistence, Application Performance Management, Configuration Management, Application Lifecycle Management, Package and Software Management, Command-Line Interface, Network Routing
Beginner · Course · 1 - 3 Months

Skills you'll gain: Clinical Data Management, Microsoft Excel, Patient Safety, Health Information Management, Excel Formulas, Data Cleansing, Data Analysis, Medical Records, Data Transformation, Data Wrangling, Data Quality, Analytical Skills, Spreadsheet Software, Data Manipulation, Data Mapping, Hospital Admissions, Data Integrity, Data Integration
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Data Mining, Anomaly Detection, Unsupervised Learning, Machine Learning Methods, Supervised Learning, Classification Algorithms, Decision Tree Learning, Data Science, Machine Learning Algorithms, Data Analysis, Machine Learning, Correlation Analysis, Bayesian Network, Algorithms, Artificial Neural Networks, Model Evaluation
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Injury Prevention, Public Safety and National Security, De-escalation Techniques, Social Justice, Policy Analysis, Research, and Development, Public Policies, Policy Analysis, Public Health, Epidemiology, Community Organizing, Law, Regulation, and Compliance, Health Policy, Research, Case Law
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Workflow Management, Project Coordination, Organizational Skills, Coordination, Work Breakdown Structure, Project Management Software, Process Optimization, Project Management, Dependency Analysis
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Patient Registration, Claims Processing, Patient Safety, Denial Management, Medical Billing, Revenue Cycle Management, Health Information Management, Copayment Collection and Processing, Practice Management Software, Medical Records, Medical Billing and Coding, Patient Communication, Data Entry, Data Validation, Document Management, Data Integrity, Data Quality
Beginner · Course · 1 - 3 Months
University of Michigan
Skills you'll gain: NoSQL, Database Architecture and Administration, Database Systems, Cloud Applications, Database Theory, Database Management Systems, Data Store, Database Management, Databases, PostgreSQL, Relational Databases, Database Software, SQL, Database Application, Distributed Computing, Cloud Computing Architecture, Cloud Deployment, Transaction Processing, Scalability, Development Environment
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Bookkeeping, Balancing (Ledger/Billing), Accounting Records, Ledgers (Accounting), Cash Management, Cash Flows, General Accounting, General Ledger, Financial Reporting, Record Keeping, Financial Statements, Equities
Beginner · Course · 1 - 4 Weeks