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.

University of Colorado Boulder
Skills you'll gain: Computer Vision, Image Analysis, Artificial Neural Networks, Convolutional Neural Networks, Artificial Intelligence and Machine Learning (AI/ML), Computer Graphics, Computational Thinking, Deep Learning, Psychology
Beginner · 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

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Scala Programming, Scalability, Distributed Computing, Event-Driven Programming, Microservices, System Design and Implementation, Software Architecture, Software Design Patterns, Software Design, Cloud Computing, Data Structures
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Unix Shell, Shell Script, Bash (Scripting Language), Unix Commands, Command-Line Interface, Unix, Network Protocols, Network Troubleshooting, Scripting, TCP/IP, Linux, OS Process Management, File Management, Scripting Languages, Linux Commands, General Networking, File Transfer Protocol (FTP), Network Administration, File Systems, Linux Administration
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: AWS Identity and Access Management (IAM), Amazon Web Services, Amazon S3, Amazon Elastic Compute Cloud, Virtual Networking, Multi-Factor Authentication, Virtual Private Networks (VPN), Scalability
Beginner · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Software Design Documents, Data Flow Diagrams (DFDs), User Requirements Documents, Functional Requirement, Software Documentation, Diagram Design, Unified Modeling Language, Requirements Analysis, System Requirements, Technical Documentation, Technical Writing, Data Modeling, Systems Analysis
Beginner · Course · 1 - 3 Months

Skills you'll gain: Strategic Sourcing, Supplier Management, Vendor Management, Contract Negotiation, Supplier Performance Management, Vendor Relationship Management, Supplier Relationship Management, Procurement, Cost Benefit Analysis, Financial Modeling, Negotiation, Market Research, Market Intelligence, Risk Management, Financial Analysis, Data-Driven Decision-Making, Process Improvement, Spreadsheet Software, Business Communication, Data Analysis
Intermediate · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Marketing Automation, Email Automation, Scheduling, Management Reporting, Performance Reporting, Automation, Stakeholder Communications, Report Writing, Scalability, Continuous Improvement Process
Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Data Ethics, Responsible AI, Machine Learning, Data Collection, Game Theory, Algorithms, Applied Machine Learning, Artificial Intelligence, Predictive Modeling
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Visualization, Keras (Neural Network Library), Data Preprocessing, Artificial Neural Networks, Interactive Data Visualization, Predictive Modeling, Tensorflow, Applied Machine Learning, Feature Engineering, Data Science, Predictive Analytics, Data Manipulation, Machine Learning, Model Evaluation, Regression Analysis, Python Programming
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Oracle Cloud, Oracle Cloud Applications, Cloud Solutions, Supply Chain Management, Cloud Computing, Cloud Infrastructure, Enterprise Resource Planning, Cloud Platforms, Cloud Applications, Customer experience strategy (CX), Human Resources Software, Software As A Service, Virtual Machines, Cloud Security, Virtual Networking
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Process Capability, Statistical Process Controls, R (Software), Statistical Analysis, Data Analysis Software, R Programming, Quality Control, Quality Improvement, Statistical Methods, Process Analysis, Data Transformation, Statistical Hypothesis Testing, Probability Distribution
Build toward a degree
Intermediate · Course · 1 - 3 Months