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: Operating System Administration, Network Security, Package and Software Management, IT Infrastructure, Computer Networking, Information Systems Security, Systems Administration, Microsoft Windows, Cybersecurity, OSI Models, Encryption, Technical Support, Network Troubleshooting, Disaster Recovery, Operating Systems, Help Desk Support, TCP/IP, Lightweight Directory Access Protocols, Computer Hardware, Software Installation
Beginner · Professional Certificate · 3 - 6 Months

Rutgers the State University of New Jersey
Skills you'll gain: Supply Chain Management, Strategic Sourcing, Forecasting, Supply Chain Planning, Materials Management, Procurement, Supplier Management, Inventory Management System, Cash Management, Business Process Reengineering, Payment Processing, Product Quality (QA/QC)
Advanced · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Financial Modeling, Descriptive Statistics, Data Literacy, Financial Forecasting, Reconciliation, Financial Analysis, A/B Testing, Portfolio Risk, Model Evaluation, Data Cleansing, Decision Tree Learning, Regression Analysis, Exploratory Data Analysis, Predictive Modeling, Data Analysis, Risk Analysis, Risk Management, R Programming, Statistical Analysis, Machine Learning
Intermediate · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Sampling (Statistics), R (Software), Statistical Inference, Probability Distribution, R Programming, Statistical Hypothesis Testing, Descriptive Statistics, Statistical Methods, Data Science, Statistics, Data Analysis, Statistical Analysis, Probability, Data Manipulation, Histogram
Build toward a degree
Beginner · Course · 1 - 3 Months

Skills you'll gain: Linux Administration, Ubuntu, Lightweight Directory Access Protocols, File Systems, Linux, Linux Commands, Bash (Scripting Language), Linux Servers, Firewall, Virtual Machines, Package and Software Management, Virtualization, Remote Access Systems, Unix, File Management, Operating System Administration, Unix Shell, Shell Script, Containerization, Git (Version Control System)
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Cyber Security Strategy, Endpoint Security, Zero Trust Network Access, Cybersecurity, Cyber Attacks, Incident Response, Incident Management, Cyber Threat Intelligence, Identity and Access Management, Disaster Recovery, Cyber Risk, AI Security, Data Security, Cyber Threat Hunting, Business Continuity Planning, Enterprise Security, Malware Protection, Network Security, Security Controls, Security Awareness
Intermediate · Course · 3 - 6 Months

Skills you'll gain: MongoDB, Restful API, API Design, NoSQL, Database Development, Node.JS, Query Languages, Database Management, Distributed Computing, Database Design, Database Architecture and Administration, Performance Tuning, Data Architecture, Scalability, Data Modeling, Data Validation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Power BI, Microsoft Azure, Data Lakes, Data Analysis Expressions (DAX), Azure Synapse Analytics, Data Modeling, Data Governance, Data Warehousing, Microsoft SQL Servers, Data Analysis, Analytics, Extract, Transform, Load, Data Integration, Data Import/Export, Real Time Data, Data Mart, Data Transformation, Data Management, Data Architecture, Data Pipelines
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Penetration Testing, Open Web Application Security Project (OWASP), Web Applications, Vulnerability Scanning, Exploitation techniques, Vulnerability Assessments, Application Security, Web Servers, Content Management Systems, Application Programming Interface (API), Databases
Intermediate · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Jenkins, Infrastructure as Code (IaC), CI/CD, Ansible, SonarQube, Continuous Integration, DevOps, Apache Tomcat, Apache Maven, Docker (Software), Continuous Deployment, Continuous Delivery, Build Tools, Configuration Management, Code Coverage, Application Lifecycle Management, Shell Script, Software Configuration Management, Application Deployment, Continuous Monitoring
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Prioritization, Business Priorities, Forecasting, Resource Allocation, Product Strategy, Data-Driven Decision-Making, Performance Metric, Data Analysis, Analytics, Estimation, Stakeholder Engagement, Benchmarking, Customer Acquisition Management, Project Estimation, Project Planning, Spreadsheet Software, Business Modeling
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Email Automation, Lead Generation, Marketing Automation, Social Media, Social Media Marketing, Copywriting, Web Analytics, Automation
Beginner · Guided Project · Less Than 2 Hours