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 California, Irvine
Skills you'll gain: Salesforce, Data Quality, Data Modeling, Data Integration, Business Process Automation, Email Marketing, Data Security, Data Cleansing, Sales Enablement, Sales Pipelines, Data Management, Business Process, User Accounts, Customer Relationship Management (CRM) Software, Sales Development, Stakeholder Engagement, Customer Engagement, Dashboard, Automation, Cloud Computing
Beginner · Specialization · 1 - 3 Months

University of Michigan
Skills you'll gain: Cyber Security Policies, Security Engineering, Information Systems Security, Cybersecurity, Security Awareness, Threat Modeling, Policy Analysis, Political Sciences, Vulnerability Assessments, Public Policies, Human Factors, Human Computer Interaction, Usability, Software Testing
Beginner · Course · 1 - 3 Months
Skills you'll gain: electromagnetics, Wireless Networks, Electronic Components, Performance Tuning, Process Optimization, Design, Analysis, Mathematical Modeling
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Operating System Administration, Networking Hardware, Data Storage, Command-Line Interface, Peripheral Devices, Active Directory, Technical Support and Services, System Configuration, Cyber Security Assessment
Intermediate · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: CI/CD, Cascading Style Sheets (CSS), GitHub, C# (Programming Language), HTML and CSS, Azure DevOps, Load Balancing, Continuous Integration, Git (Version Control System), Role-Based Access Control (RBAC), Scalability, Object Oriented Programming (OOP), Authentications, ASP.NET, Full-Stack Web Development, Web Development, SQL, Microsoft Copilot, .NET Framework, Graph Theory
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Apache Hadoop, Big Data, Database Design, Data Processing, Distributed Computing, Scalability, Data Pipelines, Data Warehousing, Query Languages, Data Cleansing, Data Transformation, Data Management, Analytics, Business Intelligence
Mixed · Course · 1 - 4 Weeks

Northeastern University
Skills you'll gain: Information Privacy, Personally Identifiable Information, Data Ethics, Law, Regulation, and Compliance, Data Security, Journalism, digital literacy, Emerging Technologies, Media and Communications, Internet Of Things, Algorithms, Artificial Intelligence
Beginner · Course · 1 - 4 Weeks

Georgia Institute of Technology
Skills you'll gain: Professional Networking, LinkedIn, Instagram, Writing, Concision, Social Media, Grammar, Business Writing, English Language, Branding, Vocabulary
Mixed · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Salesforce Development, Salesforce, CI/CD, Software Architecture, Solution Architecture, Continuous Deployment, Systems Architecture, Continuous Integration, Code Review, Relational Databases, Software Technical Review, Integration Testing, Software Design, Software Design Patterns, Database Design, Maintainability, Enterprise Architecture, Diagram Design, System Design and Implementation, Scalability
Beginner · Course · 1 - 3 Months

University of California, Davis
Skills you'll gain: Threat Modeling, Open Web Application Security Project (OWASP), Secure Coding, Cryptography, Authentications, Exploit development, Encryption, Penetration Testing, Vulnerability Assessments, Data Security, Application Security, Exploitation techniques, Security Controls, Software Design, C and C++, Verification And Validation, Java, Programming Principles, Debugging, Cybersecurity
Intermediate · Specialization · 3 - 6 Months

28DIGITAL
Skills you'll gain: Real-Time Operating Systems, Embedded Systems, Threat Modeling, Systems Architecture, Debugging, Computer Architecture, Hardware Architecture, System Programming, Internet Of Things, Application Security, General Networking, Wireless Networks, Operating Systems, Performance Tuning, Linux, Microsoft Windows
Intermediate · Course · 1 - 3 Months

University of Alberta
Skills you'll gain: Reinforcement Learning, Deep Learning, Feature Engineering, Machine Learning Algorithms, Machine Learning, Supervised Learning, Artificial Neural Networks, Pseudocode, Linear Algebra, Probability Distribution
Intermediate · Course · 1 - 3 Months