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.

Aptly
Skills you'll gain: Interviewing Skills, Professional Networking, Recruitment, LinkedIn, Goal Setting, Business Writing, Personal Development, Professional Development, Compensation Analysis, Self-Awareness, Storytelling, Communication Strategies, Communication
Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Structures, Algorithms, Graph Theory, Programming Principles, Theoretical Computer Science, Computer Science, Computer Programming, Python Programming, Pandas (Python Package), Machine Learning Algorithms, Computational Thinking, C++ (Programming Language), Data Architecture, Random Forest Algorithm, Performance Tuning, Object Oriented Programming (OOP), Network Analysis, Program Development, Problem Solving, Debugging
Intermediate · Specialization · 3 - 6 Months

Fractal Analytics
Skills you'll gain: AI Enablement, Business Leadership, Strategic Leadership, Responsible AI, Business Strategy, Generative Adversarial Networks (GANs), Data Strategy, Business Transformation, Strategic Decision-Making, Organizational Effectiveness, Deep Learning, Organizational Development, Artificial Intelligence, Human Centered Design, Data Quality, Design Thinking, Governance, User Centered Design, Ethical Standards And Conduct
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Open Web Application Security Project (OWASP), Threat Modeling, Application Security, Software Development Life Cycle, DevSecOps, Security Testing, Secure Coding, Security Engineering, Cloud Security, Encryption, Vulnerability Scanning, Software Development, CI/CD, Cloud Platforms, Vulnerability Assessments, Vulnerability Management, Penetration Testing, Cybersecurity, Configuration Management
Intermediate · Course · 3 - 6 Months

Board Infinity
Skills you'll gain: Spring Framework, Model View Controller, Java Platform Enterprise Edition (J2EE), Software Design Patterns, Java Programming, Java, Enterprise Architecture, Secure Coding, Application Servers, Software Design, Software Architecture, Application Security, Programming Principles, Security Assertion Markup Language (SAML), Dependency Analysis, System Programming, Web Applications, OS Process Management, Maintainability, Object Oriented Programming (OOP)
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Security Management, Risk Management Framework, Incident Management
Intermediate · Course · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: Salesforce, Data Quality, Data Modeling, Data Integration, Business Process Automation, Data Cleansing, Data Management, Business Process, User Accounts, Dashboard, Data Import/Export, Automation, Identity and Access Management, Business Reporting, Data Security, Cloud Computing
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Dashboard, Data Storytelling, Data Presentation, Marketing Analytics, Marketing Effectiveness, Key Performance Indicators (KPIs), Data Visualization, Google Analytics, Performance Reporting, Consumer Behaviour, Business Reporting, Stakeholder Engagement, Performance Metric, Data Integration, Decision Making
Beginner · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Distributed Denial-Of-Service (DDoS) Attacks, Secure Coding, Application Security, Encryption, Security Controls, Data Security, Database Application, Web Servers, Web Applications, Cryptography, Data Encryption Standard, Authentications, Query Languages, Data Validation, Computer Programming
Beginner · Course · 1 - 4 Weeks

Università di Napoli Federico II
Skills you'll gain: Unsupervised Learning, Supervised Learning, Object Oriented Programming (OOP), PyTorch (Machine Learning Library), R Programming, Convolutional Neural Networks, NumPy, R (Software), Image Analysis, Pandas (Python Package), Matplotlib, Python Programming, Deep Learning, Computer Programming, Scripting Languages, Computer Vision, Artificial Neural Networks, Transfer Learning, Programming Principles, Data Management
Intermediate · Specialization · 1 - 3 Months

Peking University
Skills you'll gain: C# (Programming Language), Object Oriented Programming (OOP), C and C++, .NET Framework, C++ (Programming Language), Microsoft Visual Studio, Computer Programming, Extensible Markup Language (XML), Java, Algorithms, Database Management, Distributed Computing, User Interface (UI), Computer Graphics, Network Protocols, Data Structures, File Management
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Descriptive Statistics, Data Analysis, Exploratory Data Analysis, Quantitative Research, R Programming, Statistical Analysis, Probability & Statistics, Statistics, Data Science
Beginner · Guided Project · Less Than 2 Hours