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.

Skills you'll gain: Cyber Security Strategy, Cybersecurity, Incident Response, Computer Security Incident Management, Cyber Attacks, Cyber Security Policies, Incident Management, Cyber Threat Intelligence, Security Management, Intrusion Detection and Prevention, Security Strategy, Cyber Threat Hunting, Cyber Risk, Threat Management, Data Security, Security Controls, Encryption, Resilience, Risk Management, Security Software
Beginner · Course · 3 - 6 Months

Google Cloud
Skills you'll gain: Multi-Cloud, Hybrid Cloud Computing, General Networking, Cloud Technologies, Virtual Networking, Google Cloud Platform, Virtual Private Networks (VPN), Network Infrastructure, Cloud Platforms, Cloud Computing, Network Architecture, Network Routing, Cloud Security, Routing Protocols, Border Gateway Protocol, Network Security, Data Centers, Scalability
Intermediate · Course · 1 - 4 Weeks

Total Seminars
Skills you'll gain: Exploitation techniques, Penetration Testing, Cybersecurity, Cloud Security, Vulnerability Assessments, Security Testing, Web Applications, Cloud Platforms, Human Factors (Security), Cloud Infrastructure, Security Strategy, Application Programming Interface (API), Mobile Security, Virtualization, AWS Identity and Access Management (IAM), Databases, Mobile Development Tools, Scripting Languages, SQL, Azure DevOps
Advanced · Course · 1 - 3 Months

Wesleyan University
Skills you'll gain: Social Sciences, Psychology, Persuasive Communication, Social Studies, Sociology, Social Justice, Empathy & Emotional Intelligence, Behavior Management, Conflict Management, Research, Diversity Awareness, Research Methodologies, Decision Intelligence, Experimentation
★ 4.7 (5.1K) · Beginner · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Model Evaluation, Random Forest Algorithm, Model Optimization, Keras (Neural Network Library), Tensorflow, Artificial Intelligence and Machine Learning (AI/ML), Deep Learning, Artificial Neural Networks, Decision Tree Learning, Machine Learning Methods, Applied Machine Learning, Predictive Modeling, Fine-tuning, Scikit Learn (Machine Learning Library), Regression Analysis, Classification Algorithms, Python Programming
★ 3.2 (18) · Intermediate · Course · 1 - 4 Weeks

University of Minnesota
Skills you'll gain: User Story, Agile Software Development, Software Design Patterns, Design Thinking, Software Development Methodologies, Software Design, Agile Methodology, Agile Project Management, Process Mapping, Software Engineering, Kanban Principles, Kaizen Methodology, Software Development Life Cycle, Software Quality Assurance, Agile Product Development, Application Security, Security Architecture Review, Scrum (Software Development), Object Oriented Design, Software Architecture
★ 4.7 (9.8K) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Infrastructure as Code (IaC), Amazon Web Services, Cloud Security, Cloud-Native Computing, Amazon S3, Network Architecture, AWS Identity and Access Management (IAM), Amazon Elastic Compute Cloud, Cloud Computing Architecture, Cloud Storage, Cloud Management, Cloud Infrastructure, Data Integration, Public Cloud, IT Automation, Virtual Networking, Network Planning And Design, Data Storage, Cloud Platforms, AWS CloudFormation
Beginner · Specialization · 1 - 3 Months

Coursera
Skills you'll gain: Collaborative Software, Data Integrity, Content Management Systems, Data Sharing, Security Controls, User Accounts, Authorization (Computing), Identity and Access Management, Data Management, Security Management, Data Access
Intermediate · Course · 1 - 4 Weeks

Stanford University
Skills you'll gain: Social Network Analysis, Network Analysis, Social Sciences, Sociology, Socioeconomics, Game Theory, Behavioral Economics, Mathematical Modeling, Statistical Modeling, Bayesian Statistics, Probability
★ 4.8 (759) · Advanced · Course · 1 - 3 Months

Pragmatic AI Labs
Skills you'll gain: AI Security, Claude Code, Responsible AI, Prompt Engineering, DevSecOps, Secure Coding, Prompt Engineering Tools, Information Privacy, Application Security, Vulnerability Scanning, Code Review, CI/CD, AI literacy, Vulnerability Assessments, AI Orchestration, Gemini, Security Awareness, GitHub, Command-Line Interface
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Hardware Architecture, Computer Hardware, General Networking, Network Troubleshooting, Hardware Troubleshooting, Computer Architecture, Computer Networking, OSI Models, Cloud Infrastructure, Network Administration, Wireless Networks, Networking Hardware, Local Area Networks, Virtual Machines, Virtualization, Cloud Computing, Technical Support, Cloud Deployment, Wide Area Networks, Network Security
Mixed · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Core Data (Software), iOS Development, Model View Controller, Apple iOS, JSON, Swift Programming, Apple Xcode, Code Review, UI Components, Object Oriented Design, Object Oriented Programming (OOP), Unit Testing, Mobile Development, Data Structures, Data Persistence, User Interface (UI), User Interface (UI) Design, Application Development, Apple software proficiency, Transaction Processing
★ 4.4 (912) · Beginner · Specialization · 3 - 6 Months