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.

Peking University
Skills you'll gain: Application Security, Security Engineering, Information Systems Security, Computer Security, Authorization (Computing), Operating Systems, Threat Modeling, Security Testing, Security Software, Security Requirements Analysis, Continuous Monitoring, Security Controls, Infrastructure Security, Virtualization, Virtual Machines, Identity and Access Management, Data Integrity, Database Management Systems
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Risk Analysis, Securities (Finance), Financial Analysis, Credit Risk, Financial Market, Investments, Risk Management, Market Dynamics, Portfolio Management, Finance, Wealth Management, Investment Banking
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Application Security, Information Management, Security Controls, Configuration Management, Security Engineering, Vulnerability Assessments, Security Requirements Analysis, Cloud Security, Software Development Life Cycle, Cloud Computing, System Implementation, Program Development, Change Control
Intermediate · Course · 1 - 4 Weeks

Digital Marketing Institute
Skills you'll gain: Marketing Budgets, Data-Driven Decision-Making, Digital Marketing, Social Media Marketing, Marketing Channel, Data Ethics, Customer experience strategy (CX), Digital Media Strategy, Customer Analysis, Customer experience improvement, Cross-Channel Marketing, Marketing Automation, Marketing Strategy and Techniques, Strategic Marketing, Social Media Strategy, Digital Advertising, Business Analytics, Marketing Planning, Marketing Analytics, Strategic Thinking
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Kubernetes, Cloud Deployment, Application Deployment, Cloud Applications, Cloud Platforms, Containerization, Cloud Computing, YAML, Virtual Networking, Application Performance Management, Configuration Management, System Monitoring, Network Routing
Intermediate · Course · 1 - 4 Weeks

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Operating Systems, OS Process Management, System Programming, File Systems, Unix Commands, Command-Line Interface, System Monitoring, System Design and Implementation, Performance Tuning, Package and Software Management, File Management, Algorithms, Cloud Platforms, Security Controls, User Accounts, Debugging
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Data Mining, Anomaly Detection, Unsupervised Learning, Supervised Learning, Classification Algorithms, Decision Tree Learning, Big Data, Machine Learning Algorithms, Exploratory Data Analysis, Data Analysis, Statistical Analysis, Machine Learning, Algorithms, Bayesian Statistics, Artificial Neural Networks, Model Evaluation
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Secure Coding, Application Security, System Programming, C++ (Programming Language), C (Programming Language), Unix, Embedded Systems, Debugging, Unix Commands, Operating Systems, Data Security, Linux, Microsoft Windows
Mixed · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Firewall, Google Cloud Platform, Network Administration, Network Infrastructure, Virtual Networking, Network Security, Cloud Security, Cloud Computing Architecture, Infrastructure Security
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Identity and Access Management, Cloud Services, Microsoft Azure, Microsoft Teams, Collaborative Software, Security Controls, Endpoint Security, Cloud Solutions, Zero Trust Network Access, Microsoft Office, Cloud Computing, Threat Management, Information Privacy
Beginner · Course · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Autoencoders, Convolutional Neural Networks, Generative Adversarial Networks (GANs), Applied Machine Learning, Model Deployment, Unsupervised Learning, Artificial Intelligence, Classification Algorithms
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Security Information and Event Management (SIEM), Cybersecurity, Cyber Threat Intelligence, Cloud Security, Computer Security Incident Management, Google Cloud Platform, Network Security, System Monitoring, Cloud Computing
Beginner · Project · Less Than 2 Hours