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.

Johns Hopkins University
Skills you'll gain: Shiny (R Package), Rmarkdown, Model Evaluation, Regression Analysis, Leaflet (Software), Exploratory Data Analysis, Statistical Inference, Predictive Modeling, Statistical Hypothesis Testing, Machine Learning Algorithms, Plotly, Interactive Data Visualization, Probability & Statistics, Data Presentation, Data Visualization, Statistical Analysis, Statistical Modeling, R Programming, Machine Learning, GitHub
★ 4.4 (7.2K) · Intermediate · Specialization · 3 - 6 Months

LearnQuest
Skills you'll gain: Microsoft Azure, Big Data, Data Processing, Analytics, Data Pipelines, Databricks, Apache Spark, Data Analysis, Data Integration, Data Warehousing, Extract, Transform, Load, Real Time Data, Data Store, Data Transformation, Scheduling, Data Storage
★ 3.7 (68) · Intermediate · Course · 1 - 3 Months

University of Pennsylvania
Skills you'll gain: Compliance Training, Compliance Management, Regulatory Compliance, Health Insurance Portability And Accountability Act (HIPAA) Compliance, General Data Protection Regulation (GDPR), Medical Privacy, Law, Regulation, and Compliance, Legal Risk, Information Privacy, Governance Risk Management and Compliance, Personally Identifiable Information, Regulatory Requirements, Regulation and Legal Compliance, Internal Communications, Procedure Development, Data Security, Continuous Monitoring, Health Information Management, Risk Management, Business Strategy
★ 4.8 (2.9K) · Intermediate · Specialization · 3 - 6 Months

Google Cloud
Skills you'll gain: User Provisioning, User Accounts, Cloud Management, Mobile Security, Cloud Computing, Security Controls, Identity and Access Management, Cloud Security, Authentications, Security Assertion Markup Language (SAML), Cyber Security Policies, Single Sign-On (SSO), System Configuration, Google Workspace, Event Monitoring
★ 4.6 (2.2K) · Beginner · Course · 1 - 3 Months

Skills you'll gain: MLOps (Machine Learning Operations), Fine-tuning, PyTorch (Machine Learning Library), AI Security, Application Deployment, AI Workflows, Prompt Engineering, Hugging Face, Artificial Neural Networks, Deep Learning, Large Language Modeling, Artificial Intelligence and Machine Learning (AI/ML), Generative Model Architectures, Machine Learning Methods, Generative AI, Computer Vision, Artificial Intelligence, Machine Learning, Data Processing, Machine Learning Algorithms
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Open Shortest Path First (OSPF), Virtual Local Area Network (VLAN), OSI Models, Wide Area Networks, Network Troubleshooting, TCP/IP, Wireless Networks, Cloud Computing, Network Routing, Routing Protocols, Network Security, Network Routers, Network Monitoring, Cloud Computing Architecture, Cloud Platforms, Event Monitoring, Cloud Technologies, Threat Detection, Threat Management, Network Performance Management
★ 4.7 (163) · Beginner · Specialization · 3 - 6 Months

LearnKartS
Skills you'll gain: Penetration Testing, Distributed Denial-Of-Service (DDoS) Attacks, MITRE ATT&CK Framework, Cryptography, Cyber Threat Intelligence, Cyber Threat Hunting, Cybersecurity, Cyber Security Assessment, Cyber Security Strategy, Computer Security, Threat Modeling, Security Testing, Secure Coding, Cyber Attacks, Cloud Infrastructure, Email Security, Security Controls, Security Awareness, Cyber Risk, Security Strategy
★ 4.6 (296) · Beginner · Specialization · 3 - 6 Months

Università Bocconi
Skills you'll gain: Conflict Management, Team Motivation, Intercultural Competence, Professional Networking, Organizational Leadership, Cultural Diversity, Cultural Responsiveness, Cultural Sensitivity, Leadership and Management, Cross-Functional Team Leadership, Communication, Leadership, Team Leadership, Behavior Management, Leadership Development, Communication Strategies, Drive Engagement, Relationship Building, Team Management, Ethical Standards And Conduct
★ 4.8 (3.5K) · Mixed · Course · 1 - 3 Months
University of Michigan
Skills you'll gain: HTML and CSS, PHP (Scripting Language), Hypertext Markup Language (HTML), MySQL, Web Applications, Web Design and Development, Web Development, Secure Coding, Cascading Style Sheets (CSS), Development Environment, Back-End Web Development, Database Development, Web Servers, Scripting Languages, Programming Principles, Network Protocols, Software Installation, Data Validation
★ 4.7 (4.3K) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Secure Coding, Maintainability, Hardening, Java Programming, Software Design Patterns, Application Security, Software Design, Java, Software Architecture, Memory Management, Object Oriented Design, API Design, Code Reusability, Software Development, Object Oriented Programming (OOP), Functional Design, Application Programming Interface (API), Interoperability, C (Programming Language)
Advanced · Course · 1 - 4 Weeks

Northwestern University
Skills you'll gain: Social Media, Social Media Marketing, Target Audience, Social Media Strategy, Digital Transformation, Professional Networking, Social Media Analytics, Marketing Strategies, Social Network Analysis, Community Development
★ 4.6 (4.2K) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Open Web Application Security Project (OWASP), ASP.NET, Authorization (Computing), Secure Coding, DevSecOps, AI Security, Authentications, Application Security, Responsible AI, Hardening, Data Security, AI Integrations, Software Development Life Cycle, .NET Framework, Security Controls, Security Engineering, Multi-Factor Authentication, Encryption, Software Engineering, Building Codes
Intermediate · Course · 1 - 3 Months