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.

University of California, Davis
Skills you'll gain: Threat Modeling, Secure Coding, Cryptography, Exploit development, Open Web Application Security Project (OWASP), Encryption, Application Security, Vulnerability Assessments, Data Security, Security Controls, Authentications, Security Testing, Vulnerability Management, Personally Identifiable Information
Intermediate · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Role-Based Access Control (RBAC), Authentications, Secure Coding, ASP.NET, Microsoft Copilot, Data Security, Back-End Web Development, Authorization (Computing), Application Security, JSON, Identity and Access Management, Data Storage, .NET Framework, Application Programming Interface (API), Encryption
Beginner · Course · 1 - 4 Weeks

University of Minnesota
Skills you'll gain: Cloud Security, Data Security, Cloud Services, Cloud Storage, Personally Identifiable Information, General Data Protection Regulation (GDPR), Information Privacy, Data Governance, Data Integrity, Cloud Platforms, Security Controls, Health Insurance Portability And Accountability Act (HIPAA) Compliance, Relational Databases, Encryption, SQL
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Incident Response, Computer Security Incident Management, Cyber Threat Intelligence, Intrusion Detection and Prevention, Anomaly Detection, Cyber Security Strategy, Threat Detection, Network Analysis, Network Security, Network Monitoring, NIST 800-53, Cloud Security
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Software Testing, Open Web Application Security Project (OWASP), Business Logic, Development Testing, Secure Coding, Cryptography, Cybersecurity, Test Case, Identity and Access Management, Authentications, Vulnerability Assessments, Data Validation, Network Protocols, Authorization (Computing), Web Applications
Intermediate · Course · 1 - 4 Weeks

University of Minnesota
Skills you'll gain: Open Web Application Security Project (OWASP), Cloud Security, Authentications, Key Management, Cloud Applications, Application Security, Secure Coding, DevSecOps, Cloud Computing, Identity and Access Management, Multi-Factor Authentication, Distributed Denial-Of-Service (DDoS) Attacks, Web Services
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: PyTorch (Machine Learning Library), Artificial Neural Networks, Image Analysis, Deep Learning, Computer Vision
Advanced · Guided Project · Less Than 2 Hours

University of Colorado System
Skills you'll gain: AWS Identity and Access Management (IAM), Amazon Web Services, Amazon Elastic Compute Cloud, Cloud Computing, Cloud Security, Load Balancing, User Accounts, Apache, Web Servers, System Configuration, Command-Line Interface, Firewall, Linux, Debugging
Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Google Cloud Platform, Cloud Infrastructure, Identity and Access Management, Data Loss Prevention, Distributed Denial-Of-Service (DDoS) Attacks, Prompt Engineering, Kubernetes, Cloud Security, Containerization, OAuth, Cloud Storage, Cloud Services, Application Deployment, Virtual Machines, Security Controls, Cloud Computing, Application Development, Threat Management, Application Security, Data Security
Intermediate · Specialization · 3 - 6 Months

Packt
Skills you'll gain: Security Testing, Cybersecurity, Network Security, TCP/IP, Network Monitoring, Vulnerability Assessments, Servers, Network Analysis, Network Protocols, Exploitation techniques, Scripting
Intermediate · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Microsoft Azure, Threat Modeling, Cloud Security, Continuous Monitoring, System Monitoring, Security Information and Event Management (SIEM), Security Management, Threat Detection, Application Performance Management, Event Monitoring, Vulnerability Management, Incident Response, Query Languages
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Network Monitoring, Routing Protocols, Software-Defined Networking, TCP/IP, Network Routing, Dynamic Host Configuration Protocol (DHCP), Network Routers, Network Planning And Design, Disaster Recovery, Computer Networking, Network Troubleshooting, Network Architecture, Virtual Local Area Network (VLAN), Network Administration, Network Protocols, Border Gateway Protocol, Network Switches
Intermediate · Course · 1 - 3 Months