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.

Coursera
Skills you'll gain: AI Personalization, Business Logic, Application Development, C# (Programming Language), Computer Programming, Programming Principles, Data Structures, Debugging
Beginner · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Machine Learning Methods, Machine Learning, Machine Learning Algorithms, Artificial Intelligence and Machine Learning (AI/ML), Transfer Learning, Control Systems, Robotics, Deep Learning, Computer Vision, Artificial Intelligence, Generative AI, Reinforcement Learning, Algorithms
Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: File Systems, Operating Systems, OS Process Management, C (Programming Language), System Programming, Unix, Virtualization, Data Integrity, Debugging, File I/O, Linux, Performance Tuning, Distributed Computing, Data Storage, Command-Line Interface, Virtual Machines, Data Security, Computer Hardware, Scalability, Data Structures
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Incident Response, Computer Security Incident Management, Incident Management, Intrusion Detection and Prevention, Threat Detection, Event Monitoring, Threat Management, Security Information and Event Management (SIEM), Security Management, Cyber Threat Intelligence, Continuous Monitoring, Document Management, Cybersecurity, Technical Documentation, NIST 800-53
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Kubernetes, YAML, Microservices, Containerization, Cloud Platforms, DevOps, Application Deployment, Cloud Computing Architecture, Virtual Networking, Scalability
Beginner · Course · 1 - 3 Months

Skills you'll gain: Virtual Machines, Virtual Private Networks (VPN), Cloud Security, Public Cloud, Amazon Web Services, Scalability, Virtual Networking, Private Cloud, Amazon Elastic Compute Cloud, Cloud Computing, Cloud Infrastructure
Beginner · Guided Project · Less Than 2 Hours

Illinois Tech
Skills you'll gain: Microsoft Windows, Windows PowerShell, Operating System Administration, Command-Line Interface, Operating Systems, Control Panels, System Configuration, OS Process Management, Network Administration, User Accounts, Graphical Tools
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Spring Boot, Application Development, API Testing, Application Frameworks, Software Testing, Test Case, Development Environment, Model View Controller, Software Development Tools, Java Platform Enterprise Edition (J2EE), Authentications, Software Design Patterns, SQL, Data Persistence, Mockups, JSON, User Interface (UI), Functional Design, Databases, Dependency Analysis
Intermediate · Specialization · 1 - 3 Months

Board Infinity
Skills you'll gain: ABAP RESTful Programming Model (RAP), SAP S/4HANA, Business Logic, SAP Applications, Unit Testing, Restful API, Application Deployment, Core Data (Software), Business Reporting, Secure Coding, Debugging, Full-Stack Web Development, Application Development, Object Oriented Design, Report Writing, Security Controls, Programming Principles, Enterprise Application Management, Object Oriented Programming (OOP), User Interface (UI)
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: AWS Identity and Access Management (IAM), Amazon CloudWatch, Threat Detection, Threat Management, Amazon Web Services, Incident Response, Continuous Monitoring, Cloud Security, Identity and Access Management, Amazon Elastic Compute Cloud, Network Security, Event Monitoring
Intermediate · Course · 1 - 4 Weeks

Illinois Tech
Skills you'll gain: Pay Per Click Advertising, Digital Marketing, Web Analytics, Email Marketing, Digital Advertising, Google Ads, Social Media Campaigns, Marketing Strategies, Online Advertising, Social Media Marketing, Google Analytics, Web Design and Development, Marketing, Marketing Analytics, Search Engine Optimization, Social Media, Campaign Management, Search Engine Marketing, Keyword Research, Advertising Campaigns
Build toward a degree
Advanced · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Public Key Infrastructure, Public Key Cryptography Standards (PKCS), Key Management, Cryptography, Encryption, Authentications, Algorithms
Intermediate · Course · 1 - 4 Weeks