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.

Duke University
Skills you'll gain: Data Pipelines, Rust (Programming Language), Restful API, Amazon Web Services, Cloud API, Data Structures, Data Processing, Application Programming Interface (API), Cloud Applications, Real Time Data, Data Manipulation, System Programming, Cryptography, Encryption, Python Programming, Command-Line Interface, Software Testing
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Artificial Neural Networks, Data Visualization, Exploratory Data Analysis, Data Presentation, Applied Machine Learning, Classification Algorithms, Machine Learning Methods, Predictive Modeling, Deep Learning, Classification And Regression Tree (CART), Data Analysis, Predictive Analytics, Machine Learning Algorithms, Model Evaluation, Machine Learning, Feature Engineering, Python Programming
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Kubernetes, Containerization, Infrastructure Security, Role-Based Access Control (RBAC), Linux Administration, Data Storage Technologies, Systems Architecture, Command-Line Interface, Servers, System Configuration, Application Programming Interface (API)
Intermediate · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: SQL, Data Management, Database Design, Databases, Apache Spark, Data Integrity, Data Architecture, Data Processing
Beginner · Course · 1 - 3 Months

Skills you'll gain: Sales, Sales Strategy, Sales Pipelines, Selling Techniques, Social Media Campaigns, Social Media, Social Media Content, Social Media Marketing, Customer Engagement, Content Creation, Content Performance Analysis, Marketing Analytics, Drive Engagement, Content Strategy, Marketing Automation, Customer Analysis, Storytelling, Data-Driven Decision-Making, Campaign Management, A/B Testing
Beginner · Course · 1 - 4 Weeks

Rutgers the State University of New Jersey
Skills you'll gain: Supply Chain Management, Manufacturing Operations, Operations Management, Business Operations, Inventory Management System, Operational Efficiency, Logistics, Internal Communications, Analysis, Working Capital, Process Improvement, Financial Analysis, Lean Six Sigma, Complex Problem Solving
Advanced · Course · 1 - 4 Weeks

Illinois Tech
Skills you'll gain: Open Source Technology, Package and Software Management, Linux, Shell Script, Ubuntu, Unix Shell, Linux Administration, Operating System Administration, Bash (Scripting Language), Unix, Operating Systems, Command-Line Interface, Scripting, Linux Commands, Red Hat Enterprise Linux, File Systems, System Configuration, Database Management, General Networking, Network Security
Build toward a degree
Intermediate · Course · 1 - 3 Months

L&T EduTech
Skills you'll gain: Project Schedules, Earned Value Management, Risk Analysis, Cost Estimation, Scheduling, Cost Management, Project Management, Project Planning, Project Estimation, Resource Allocation, Resource Management, Timelines, Risk Management, Budgeting, Performance Measurement, Dependency Analysis, Network Model
Advanced · Course · 1 - 3 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

Scrimba
Skills you'll gain: User Accounts, Real Time Data, Authentications, Frontend Integration, Cloud Applications, Application Development, Serverless Computing, Application Security, Web Applications, Data Management, Data Storage, Cloud Security
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Data Wrangling, Exploratory Data Analysis, Tidyverse (R Package), Data Manipulation, Data Transformation, Data Cleansing, R Programming, Data Preprocessing, Statistical Programming, Text Mining
Mixed · Course · 1 - 3 Months

Skills you'll gain: Penetration Testing, Malware Protection, Cyber Threat Intelligence, Exploitation techniques, Cybersecurity, Intrusion Detection and Prevention, Vulnerability Assessments, Human Factors (Security), Network Analysis, Command-Line Interface
Mixed · Course · 1 - 4 Weeks