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: File I/O, Matplotlib, Data Manipulation, Pandas (Python Package), Data Visualization, Data Persistence, NumPy, Data Processing, Scripting, Object Oriented Programming (OOP), Python Programming, Query Languages, Database Application, Databases, Relational Databases, Object Oriented Design, Data Import/Export, Debugging
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: OSI Models, TCP/IP, Network Routing, Network Troubleshooting, Network Planning And Design, Network Protocols, Networking Hardware, General Networking, Computer Networking, Command-Line Interface, Virtual Networking, Network Architecture
Beginner · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Cyber Threat Hunting, Incident Response, Cyber Threat Intelligence, Security Information and Event Management (SIEM), Intrusion Detection and Prevention, Threat Detection, Anomaly Detection, AI Security, Scripting, Cyber Operations, Event Monitoring, Network Analysis, Automation, Data Preprocessing, Machine Learning Algorithms
Beginner · Course · 1 - 4 Weeks

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 Science, Statistics, Mathematical Modeling, Data Analysis, Data Modeling, Applied Mathematics
Advanced · Specialization · 3 - 6 Months

University of Colorado System
Skills you'll gain: Intrusion Detection and Prevention, Threat Detection, Incident Response, Computer Security Incident Management, Cybersecurity, Threat Management, Data Security, Cyber Attacks, Endpoint Security, Network Security, Cyber Security Assessment, Firewall
Beginner · Course · 1 - 3 Months

Universiteit Leiden
Skills you'll gain: Risk Management, Business Risk Management, Operational Risk, Risk Analysis, Safety and Security, Environmental Issue, Cyber Security Strategy, Decision Making, Public Health
Beginner · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Stored Procedure, PL/SQL, SQL, Database Management, Data Access, Databases, Database Systems, Java, Java Programming, JUnit
Beginner · Course · 1 - 4 Weeks

Cisco Learning and Certifications
Skills you'll gain: File Systems, Endpoint Security, Linux, Operating System Administration, Microsoft Windows, Windows PowerShell, Linux Administration, Windows Servers, Operating Systems, Linux Commands, Network Administration, Active Directory, System Monitoring, System Configuration, Network Security, Security Controls, Command-Line Interface, Malware Protection, Service Management
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Social Media Content, Social Media, Facebook, Content Creation, Marketing Materials, Social Media Marketing, Instagram, Graphic Design, Brand Management, Digital Marketing
Beginner · Guided Project · Less Than 2 Hours

Columbia University
Skills you'll gain: Portfolio Management, Derivatives, Financial Market, Securities (Finance), Investment Management, Portfolio Risk, Asset Management, Credit Risk, Mortgage Loans, Mathematical Modeling, Applied Mathematics, Capital Markets, Financial Modeling, Risk Modeling, Regression Analysis, Market Liquidity, Futures Exchange, Risk Management, Equities, Actuarial Science
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Microsoft Power Platform, Microsoft Power Automate/Flow, Power BI, Dashboard, No-Code Development, Data Visualization, Power Apps Component Framework, Business Intelligence, Business Process Automation, Application Development, Data Integration, Performance Analysis, Application Design, Automation, Data Security, Business Process, Computing Platforms, Microsoft Teams, Data Analysis Software, Data Modeling
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Transfer Learning, Model Evaluation, Vision Transformer (ViT), Keras (Neural Network Library), Deep Learning, PyTorch (Machine Learning Library), Convolutional Neural Networks, Data Preprocessing, Model Deployment, Computer Vision, Geospatial Information and Technology, Machine Learning, Data Pipelines, Python Programming
Advanced · Course · 1 - 4 Weeks