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: Virtual Private Networks (VPN), Linux Administration, Public Key Infrastructure, Linux, Linux Servers, Intrusion Detection and Prevention, Firewall, Remote Access Systems, Operating System Administration, Linux Commands, Authentications, Authorization (Computing), Network Security, Hardening, Security Controls, Infrastructure Security, Identity and Access Management, System Monitoring, Cybersecurity, Information Technology
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Nursing Management, Clinical Leadership, Continuous Quality Improvement (CQI), Stakeholder Engagement, Health Equity, Nursing Administration, Financial Forecasting, Patient Safety, Composure, Conflict Management, Teamwork, Nursing, Change Management, Financial Management, Decision Making, Healthcare Ethics, Quality Improvement, Staff Management, Strategic Planning, Delegation Skills
Intermediate · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Email Marketing, Content Performance Analysis, A/B Testing, Personalized Campaigns, Performance Analysis, Email Automation, Marketing Analytics, Data-Driven Marketing, Campaign Management, Content Optimization, Driving engagement, Campaign Planning, Content Creation
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Stakeholder Communications, Stakeholder Engagement, Data Storytelling, Stakeholder Management, Stakeholder Analysis, Data Presentation, Data-Driven Decision-Making, Business Communication, Model Evaluation, Responsible AI
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Dashboard, Data Warehousing, Data Storytelling, SQL, Data Visualization, Dashboard Creation, Database Design, Data Security, Data Migration, Data Governance, Data Presentation, Descriptive Statistics, IBM DB2, Extract, Transform, Load, Data Management, Relational Databases, Databases, Data Architecture, Excel Formulas, Business Intelligence
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: SQL, Jupyter, Data Literacy, Data Mining, R (Software), Data Modeling, Database Management, Relational Databases, Stored Procedure, R Programming, Model Deployment, Databases, Data Science, Data Processing, Big Data, Query Languages, GitHub, Software Development Tools, Data Visualization Software, Python Programming
Build toward a degree
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Email Automation, Site Reliability Engineering, AI Integrations, Business Process Automation, AI Workflows, Quality Monitoring, IT Automation, Quality Assurance, Automation, Model Optimization, Service Level, Document Management, Prompt Engineering, Debugging
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Medical Billing, Medical Billing and Coding, Medical Coding, Revenue Cycle Management, ICD Coding (ICD-9/ICD-10), CPT Coding, Medical Office Procedures, Health Information Management and Medical Records, Claims Processing, Billing, Billing & Invoicing, Clinical Documentation, Health Information Management, Electronic Medical Record, Health Administration, Medical Terminology, System Monitoring, Site Reliability Engineering, Adjudication, Ansible
Beginner · Specialization · 1 - 3 Months

Coursera
Skills you'll gain: Data Flow Diagrams (DFDs), Diagram Design, Data Mapping, Data Pipelines, Data Visualization, Dataflow, Technical Communication, Data Store, Data Transformation
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Azure Synapse Analytics, Data Transformation, Microsoft SQL Servers, Data Pipelines, SQL, Data Manipulation, Time Series Analysis and Forecasting, Advanced Analytics, Data Wrangling, Performance Tuning
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Procurement, Strategic Sourcing, Contract Negotiation, Negotiation, Supplier Management, Purchasing, Supplier Relationship Management, Supplier Performance Management, Proposal Development, Cost Estimation, Excel Formulas, Cost Reduction, Cost Benefit Analysis, Microsoft Excel, Data-Driven Decision-Making, Risk Management, Service Level
Advanced · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Operations Research, Revenue Management, Demand Planning, Process Optimization, Customer Demand Planning, Process Improvement and Optimization, Simulation and Simulation Software, Logistics, Operational Analysis, Model Optimization, Microsoft Excel, Logistics Management, Business Analytics, Transportation, Supply Chain, and Logistics, Transportation Management, Forecasting, Supply Chain, Risk Analysis, Regulatory Compliance, Compliance Management
Intermediate · Course · 1 - 4 Weeks