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.

Infosec
Skills you'll gain: Open Web Application Security Project (OWASP), Authentications, Vulnerability Assessments, Application Security, Vulnerability Management, Event Monitoring, Secure Coding, Security Controls, Hardening, Data Integrity, Security Testing, System Monitoring, Cybersecurity, Patch Management, Threat Modeling, Exploitation techniques, Authorization (Computing), Cryptography, Extensible Markup Language (XML), System Configuration
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Database Administration, Database Management, Database Architecture and Administration, Relational Databases, Operational Databases, Database Systems, IBM DB2, MySQL, Performance Tuning, PostgreSQL, Disaster Recovery, Data Storage Technologies, Database Design, System Monitoring, Role-Based Access Control (RBAC), User Accounts, Encryption
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Digital Transformation, Business Analysis, Requirements Elicitation, Gap Analysis, Analysis, Business Analytics, Business Requirements, Requirements Analysis, Systems Analysis, Business Process Modeling, Technology Strategies, Microsoft Excel, Project Management, Stakeholder Management, Stakeholder Communications, Change Management
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Google Cloud Platform, Cloud Computing, Network Infrastructure, Server Administration, Data Storage, Network Security
Beginner · Course · 1 - 4 Weeks

ESSEC Business School
Skills you'll gain: Business Analytics, Forecasting, Statistical Methods, Predictive Analytics, R Programming, Information Technology, Statistical Analysis, People Analytics, Data Storytelling, Business Strategy, Data Analysis, Data Visualization, Regression Analysis
Mixed · Course · 1 - 3 Months

Coursera
Skills you'll gain: Cyber Threat Intelligence, Responsible AI, Cybersecurity, Threat Detection, Security Information and Event Management (SIEM), Incident Response, Generative AI, AI Product Strategy, Data Ethics, Security Testing, Vulnerability Assessments
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Data Security, Cybersecurity, Data Ethics, Authentications, Data Encryption Standard, Computer Security Awareness Training, Cryptography, Cyber Security Policies, Cyber Threat Intelligence, Authorization (Computing), Security Controls, Information Privacy, Security Awareness, Threat Modeling, Risk Analysis, Problem Solving, Communication
Build toward a degree
Beginner · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Firewall, Terraform, Virtual Machines, Virtualization and Virtual Machines, Infrastructure as Code (IaC), Network Infrastructure, Google Cloud Platform, Network Security, Verification And Validation, Network Model
Intermediate · Project · Less Than 2 Hours

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

University of Illinois Urbana-Champaign
Skills you'll gain: Cloud Infrastructure, Cloud Services, Cloud Computing, Cloud Storage, Cloud Platforms, Infrastructure As A Service (IaaS), Middleware, Containerization, Data Storage Technologies, Virtualization, Virtual Machines, Cloud Applications, Amazon S3, Platform As A Service (PaaS)
Intermediate · Course · 1 - 3 Months

Imperial College London
Skills you'll gain: Tensorflow, Keras (Neural Network Library), Deep Learning, Image Analysis, Computer Programming, Program Development, Data Validation, Applied Machine Learning, Supervised Learning, Predictive Modeling, Computer Vision, Machine Learning Methods, Artificial Neural Networks, Jupyter, Application Programming Interface (API)
Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Statistical Hypothesis Testing, Sampling (Statistics), Regression Analysis, Bayesian Statistics, Statistical Analysis, Probability & Statistics, Statistical Inference, Statistical Methods, Statistical Modeling, Linear Algebra, Probability, R Programming, Biostatistics, Data Science, Statistics, Probability Distribution, Mathematical Modeling, Data Analysis, Applied Mathematics, Predictive Modeling
Advanced · Specialization · 3 - 6 Months