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: Balancing (Ledger/Billing), Bookkeeping, QuickBooks (Accounting Software), Ledgers (Accounting), Accounting Records, Accounting, Accounting Systems, General Ledger, General Accounting, Accounting Software, Standard Accounting Practices, Transaction Processing
Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Machine Learning Methods, Model Evaluation, Machine Learning, Google Cloud Platform, Model Training, Machine Learning Algorithms, Applied Machine Learning, Supervised Learning, Machine Learning Software, Time Series Analysis and Forecasting, Financial Trading, Deep Learning, Statistical Machine Learning, Model Optimization, Artificial Intelligence and Machine Learning (AI/ML), Artificial Neural Networks, Securities Trading, Technical Analysis, Cloud Platforms, Finance
★ 4 (900) · Intermediate · Course · 1 - 4 Weeks

University of Washington
Skills you'll gain: Feature Engineering, Unsupervised Learning, Scientific Visualization, Data Ethics, Data Presentation, Statistical Visualization, Data Storytelling, Big Data, Relational Databases, Supervised Learning, Database Systems, Dataflow, Data Science, Model Evaluation, Machine Learning Methods, R Programming, Data Analysis, Model Training, SQL, Python Programming
★ 4.2 (926) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Vector Databases, Retrieval-Augmented Generation, Embeddings, Data Engineering, Operational Databases, Data Store, Database Systems, Database Architecture and Administration, Database Development, Database Design, Data Architecture, Concept Of Operations, Software Documentation, Data Maintenance, Metadata Management, Document Management, Large Language Modeling, Model Evaluation, Data Integrity, Record Keeping
Intermediate · Course · 1 - 3 Months

Infosec
Skills you'll gain: Digital Forensics, grep, Network Protocols, General Networking, Record Keeping, Data Storage, Data Integrity, File Management, Ethical Standards And Conduct, Encryption, Data Validation, Technical Documentation
★ 4.7 (273) · Intermediate · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Infrastructure Security, Cyber Risk, Cyber Security Policies, Cyber Security Assessment, Cybersecurity, Security Management, Cyber Security Strategy, Risk Management Framework, Technology Roadmaps, Network Infrastructure, Transportation Operations, Mobile Security
★ 4.7 (260) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Object Oriented Design, Git (Version Control System), Software Design Patterns, Version Control, Secure Coding, Unit Testing, Prompt Engineering, Software Design, Cryptography, Maintainability, Docker (Software), Containerization, Performance Testing, .NET Framework, Prompt Engineering Tools, ASP.NET, C# (Programming Language), Cloud Platforms, LLM Application, General Data Protection Regulation (GDPR)
Intermediate · Specialization · 3 - 6 Months

Rutgers the State University of New Jersey
Skills you'll gain: Strategic Sourcing, Demand Planning, Procurement, Supplier Relationship Management, Supply Chain, Supply Chain Planning, Supplier Management, Operational Efficiency, Customer Demand Planning, Process Improvement, Supply Chain Management, Operations Management, Presentations, Operations, Product Flow Diagram, Logistics Management, Logistics, Strategic Communication, Forecasting
★ 4.8 (1.2K) · Mixed · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Tidyverse (R Package), Clinical Data Management, Extract, Transform, Load, Data Modeling, Clinical Research, R (Software), Health Insurance Portability And Accountability Act (HIPAA) Compliance, Medical Privacy, Data Manipulation, Predictive Modeling, Database Design, Clinical Research Ethics, Data Mapping, Clinical Informatics, Data Quality, Natural Language Processing, grep, Informatics, Text Mining, R Programming
★ 4.4 (503) · Intermediate · Specialization · 3 - 6 Months

The State University of New York
Skills you'll gain: Time Series Analysis and Forecasting, R (Software), Forecasting, R Programming, Statistical Analysis, Model Evaluation, Data Analysis, Statistical Programming, Data Visualization, Statistical Visualization, Statistical Software, Mathematical Modeling, Statistical Modeling, Data Analysis Software, Correlation Analysis, Descriptive Statistics, Statistical Inference
★ 4.6 (1.7K) · Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Statistical Hypothesis Testing, Sampling (Statistics), Regression Analysis, Bayesian Statistics, Statistical Analysis, Probability & Statistics, Statistical Inference, Statistical Methods, Statistical Modeling, Linear Algebra, Probability, Probability Distribution, R Programming, Biostatistics, Data Analysis, Data Science, Statistics, Mathematical Modeling, Data Modeling, Applied Mathematics
★ 4.4 (800) · Advanced · Specialization · 3 - 6 Months

LearnQuest
Skills you'll gain: Restful API, Web Services, Java Platform Enterprise Edition (J2EE), Software Design, Java, Application Programming Interface (API), API Design, Web Applications, Object Oriented Design, Software Design Patterns, Software Architecture, Command-Line Interface
★ 4.3 (16) · Beginner · Course · 1 - 4 Weeks