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.

Coursera
Skills you'll gain: Star Schema, Role-Based Access Control (RBAC), Power BI, Database Design, Data Modeling, Financial Modeling, Data Analysis Expressions (DAX), Authorization (Computing), Relational Databases, Financial Data, Data Security, Security Controls, Dashboard, Data Access, Model Deployment, Gross Profit
Intermediate · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Threat Management, Remote Access Systems, Vulnerability Assessments, Threat Detection, Security Requirements Analysis, Cyber Security Assessment, Cybersecurity, Security Software, Security Management, Telecommuting, Cyber Risk, Cyber Security Strategy, Cyber Security Policies, Security Controls, Risk Management Framework
Beginner · Course · 1 - 4 Weeks

Macquarie University
Skills you'll gain: Data Security, Security Testing, Data Ethics, Cyber Security Strategy, Cyber Threat Intelligence, Security Controls, Cyber Risk, Data Sharing, Intrusion Detection and Prevention, Cyber Attacks, Cybersecurity, Cyber Threat Hunting, Cyber Governance, Security Management, Artificial Intelligence and Machine Learning (AI/ML), Security Awareness, Security Strategy, AI Product Strategy, Security Software, Generative AI
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Penetration Testing, Record Keeping, Security Testing, Data Management, Threat Management, Records Management, Cloud Computing Architecture, Authentications, Data Security, Firewall, Cyber Attacks, Cybersecurity, Malware Protection, System Testing, Cyber Threat Intelligence, Authorization (Computing), Generative Adversarial Networks (GANs), Active Directory, Data Ethics, AI Security
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Threat Modeling, Open Web Application Security Project (OWASP), DevSecOps, Secure Coding, Application Security, Threat Detection, Security Testing, Security Engineering, Continuous Delivery, Continuous Integration, Vulnerability Assessments, CI/CD, Vulnerability Scanning, Continuous Deployment
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Operating System Administration, Cloud Computing, Linux Commands, Linux Administration, Linux Servers, Cloud Security, Operating Systems, Windows PowerShell, Windows Servers, File Systems, System Software, Mac OS, Command-Line Interface, Active Directory, Computer Systems, Virtual Machines, Firewall, Virtualization, Containerization, User Accounts
Beginner · Course · 1 - 3 Months

Skills you'll gain: Threat Modeling, Application Security, Open Web Application Security Project (OWASP), Secure Coding, Authentications, OAuth, Development Testing, Software Development Life Cycle, Unified Modeling Language, Authorization (Computing), Single Sign-On (SSO), Security Software, Software Development, Vulnerability Assessments, Data Validation, Cyber Security Assessment, Cyber Security Strategy, Cybersecurity, Role-Based Access Control (RBAC)
Intermediate · Course · 3 - 6 Months

Edureka
Skills you'll gain: AI Security, Responsible AI, Data Ethics, LLM Application, Generative AI, Google Gemini, Artificial Intelligence, Cloud Security, Governance Risk Management and Compliance, Cyber Security Strategy, Security Strategy, Artificial Intelligence and Machine Learning (AI/ML), Computer Security Awareness Training, Network Security, Security Management, Cyber Attacks, Cyber Security Policies, Natural Language Processing, Risk Management, Supply Chain
Intermediate · Course · 1 - 3 Months

Macquarie University
Skills you'll gain: Human Factors (Security), Security Awareness, Cyber Governance, Cyber Security Strategy, Cyber Attacks, Cyber Security Policies, Cyber Risk, Usability, Cyber Security Assessment, Cybersecurity, Security Management, Law, Regulation, and Compliance, Security Strategy, Employee Training, Information Assurance, Information Privacy, Network Security, Business Ethics, Decision Making
Beginner · Course · 1 - 3 Months

Skills you'll gain: Linux Administration, Docker (Software), Containerization, Linux, Network Troubleshooting, Linux Servers, Ansible, Kubernetes, Authentications, Infrastructure as Code (IaC), Network Administration, System Configuration, Remote Access Systems, Multi-Factor Authentication, Network Protocols, Network Security, Security Controls, Firewall, Web Servers, Encryption
Advanced · Course · 1 - 4 Weeks

Macquarie University
Skills you'll gain: Cyber Security Strategy, Cyber Threat Intelligence, Intrusion Detection and Prevention, Cybersecurity, Artificial Intelligence and Machine Learning (AI/ML), Threat Modeling, Machine Learning Methods
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Law, Regulation, and Compliance, Business Risk Management, Consulting, Risk Management, Investigation, Business Consulting, Cyber Security Policies, Security Management, Crisis Management, Enterprise Security, Threat Management, Compliance Management, Entrepreneurship, Safety and Security, Case Studies
Beginner · Course · 1 - 3 Months