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: Linux, Authentications, Remote Access Systems, Linux Administration, User Accounts, Authorization (Computing), Security Controls, System Configuration, Command-Line Interface, Cryptographic Protocols
Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Infrastructure Security, Public Safety and National Security, Cybersecurity, Cyber Attacks, Cyber Security Policies, Security Strategy, Threat Modeling, Policty Analysis, Research, and Development, World History, Risk Management Framework
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Authorization (Computing), Authentications, Azure DevOps, DevSecOps, Security Controls, Performance Tuning, Identity and Access Management, Microsoft Azure, System Monitoring, DevOps, Continuous Monitoring, Personally Identifiable Information, Application Performance Management
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Penetration Testing, Exploitation techniques, Cyber Security Assessment, Unix, Vulnerability Assessments, Unix Commands, Unix Shell, System Programming, Shell Script, Linux, Debugging, Linux Commands, Computer Architecture, Authentications
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Remote Access Systems, User Accounts, Authorization (Computing)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Public Key Infrastructure, Cryptography, Encryption, Data Security, Cryptographic Protocols, Data Integrity, Information Systems Security, Key Management, Network Security, Information Privacy, Authentications, Digital Communications
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: MITRE ATT&CK Framework, Endpoint Security, Cyber Threat Hunting, Cyber Threat Intelligence, Endpoint Detection and Response, Cloud Security, Threat Detection, Cyber Operations, Threat Management, Microsoft Copilot, Malware Protection, Security Information and Event Management (SIEM), AI Security, Microsoft Azure, Vulnerability Management, Cloud Computing, Incident Response, Computer Security Incident Management, Incident Management, Anomaly Detection
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Incident Response, Digital Forensics, Business Continuity Planning, Disaster Recovery, Computer Security Incident Management, Resource Management, Prioritization, Risk Analysis, Business Analysis, Data Storage Technologies, Law, Regulation, and Compliance, Ethical Standards And Conduct
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Application Security, Cloud Applications, Cloud Security, Cloud Development, Identity and Access Management, Secure Coding, Security Awareness, Security Testing, Data Security, Cloud Deployment, User Provisioning, Software Development, Verification And Validation, Software Quality Assurance, Threat Management, Authentications, Multi-Factor Authentication
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: AWS SageMaker, Amazon CloudWatch, Infrastructure as Code (IaC), CI/CD, Amazon Web Services, Cloud Engineering, Devops Tools, AWS Identity and Access Management (IAM), Data Security, Cloud Security, Network Security, System Monitoring, Model Deployment, Systems Architecture, Multi-Factor Authentication, Key Management, Virtual Networking
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Vulnerability Management, Authentications, Security Controls, Vulnerability Assessments, Authorization (Computing), Continuous Monitoring, Identity and Access Management, Security Management, Information Systems Security, Role-Based Access Control (RBAC), Network Security, User Accounts, Multi-Factor Authentication, Threat Detection
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: AWS Identity and Access Management (IAM), Identity and Access Management, Amazon Web Services, Patch Management, Amazon CloudWatch, Infrastructure Security, Threat Detection, Amazon S3, Vulnerability Scanning, Data Security, Cloud Security, Network Security, Threat Management, Incident Response, Data Governance, Authorization (Computing), Continuous Monitoring, Cyber Governance, Firewall, Role-Based Access Control (RBAC)
Advanced · Specialization · 1 - 3 Months