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.

Skills you'll gain: Interviewing Skills, Meta Ads Manager, Marketing Analytics, Registration, Marketing, Social Media Marketing, Digital Marketing, Data Analysis, Statistics
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Invoicing, Billing & Invoicing, Inventory Management, Inventory Management System, Tax Management, Accounting Software, Customer Relationship Management, Billing, Customer Relationship Management (CRM) Software, Sales Tax, Small Business Accounting, Accounting and Finance Software, Accounting, Security Controls, Payroll Systems
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Email Marketing, Paid media, Order Fulfillment, Media Planning, Social Media Campaigns, Google Ads, Social Media Marketing, Social Media Strategy, Performance Measurement, Order Processing, Customer Acquisition Management, Brand Loyalty, Search Engine Marketing, Order Management, Content Creation, Marketing Planning, Customer Relationship Management, Customer Retention, Journey Mapping, Content Performance Analysis
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Epic EMR, Data Mapping, Clinical Data Management, Data Dictionary, Clinical Documentation, Data Analysis, Patient-centered Care, Electronic Medical Record, Extract, Transform, Load, Analytics, Data Transformation, Data Integrity, Data Import/Export, Data Access
Beginner · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Bayesian Network, Linear Algebra, Numerical Analysis, Mathematical Modeling, Estimation, Matlab, Statistical Modeling, Markov Model, Simulations, Integral Calculus, Correlation Analysis, Control Systems, Probability, Simulation and Simulation Software, Probability & Statistics, Applied Mathematics, Statistical Methods, Probability Distribution, Time Series Analysis and Forecasting, Forecasting
Intermediate · Specialization · 3 - 6 Months

John Wiley & Sons
Skills you'll gain: Excel Formulas, Microsoft Excel, Excel Macros, Spreadsheet Software, Pivot Tables And Charts, Data Presentation, Proofreading, Data Visualization, Editing, Financial Forecasting, Financial Modeling, Productivity Software, Consolidation, Data Analysis, Data Validation, Financial Data, Trend Analysis, Data Entry, Diagram Design, Visual Basic (Programming Language)
Beginner · Specialization · 3 - 6 Months
University of Toronto
Skills you'll gain: Scientific Visualization, Data Visualization Software, Graphic and Visual Design, Statistical Visualization, Bioinformatics, Plot (Graphics), Ggplot2, Dimensionality Reduction, Scatter Plots, Design Elements And Principles, R Programming, Network Analysis, Heat Maps, Molecular Biology, Design Thinking, Statistical Analysis
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Model Optimization, Model Evaluation, Large Language Modeling, Data Preprocessing, Model Training, Fine-tuning, Data Cleansing, PyTorch (Machine Learning Library), Transfer Learning, Deep Learning, Natural Language Processing, Exploratory Data Analysis, Test Data, Machine Learning
Intermediate · Guided Project · Less Than 2 Hours

LearnKartS
Skills you'll gain: Amazon Web Services, Cloud Infrastructure, Amazon Elastic Compute Cloud, Cloud Computing Architecture, Infrastructure Architecture, Cloud Computing, Cloud Hosting, Cloud Solutions, Cloud Services, Infrastructure As A Service (IaaS), Cloud Deployment, Cloud Storage, Load Balancing, Virtual Networking, Virtual Private Networks (VPN), Network Security, Resource Management, Cost Management
Intermediate · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Networking Hardware, General Networking, Network Infrastructure, Local Area Networks, OSI Models, Network Protocols, Network Support, Network Troubleshooting, Dynamic Host Configuration Protocol (DHCP), TCP/IP, Network Architecture, Computer Networking, Network Planning And Design, Wireless Networks, Network Security, Network Switches, Virtual Local Area Network (VLAN)
Beginner · Course · 1 - 4 Weeks

Pontificia Universidad Católica de Chile
Skills you'll gain: Three-Phase, Basic Electrical Systems, Electrical Engineering, Electronic Components, Electrical Systems, Electronic Systems, Electric Power Systems, Electrical Power, Electrical and Computer Engineering, Electronics, Differential Equations, Electronics Engineering, Engineering Analysis, Engineering Calculations, Schematic Diagrams, Network Analysis, Physics, Trigonometry, Simulation and Simulation Software, Applied Mathematics
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Fraud detection, Reconciliation, Variance Analysis, Loss Prevention, Internal Controls, Asset Protection, Accounting Records, Financial Statement Analysis, Financial Controls, Financial Statements, Investigation
Beginner · Course · 1 - 4 Weeks