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.

Macquarie University
Skills you'll gain: Incident Response, Incident Management, Cyber Governance, Computer Security Incident Management, Cyber Risk, Cyber Security Strategy, Law, Regulation, and Compliance, Cyber Attacks, Security Management, Security Strategy, Security Awareness, Culture Transformation, Cyber Security Policies, Cyber Threat Intelligence, Intrusion Detection and Prevention, Mobile Security, Threat Detection, Cybersecurity, Cyber Operations, Cyber Security Assessment
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Generative Adversarial Networks (GANs), PyTorch (Machine Learning Library), Deep Learning, Convolutional Neural Networks, Image Analysis, Python Programming
Intermediate · Guided Project · Less Than 2 Hours

Macquarie University
Skills you'll gain: Criminal Investigation and Forensics, Investigation, Cybersecurity, Cyber Governance, Data Security, Cyber Security Policies, Computer Security, Digital Assets, Security Testing, Cyber Risk, Incident Management
Beginner · Course · 1 - 3 Months

University of California, Irvine
Skills you'll gain: digital literacy, Systems Development, Data Security, System Design and Implementation, Data Ethics, Cybersecurity, Safety and Security, Information Technology, Information Privacy, Computer Literacy, Software Development Tools, Technology Strategies
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Penetration Testing, OSI Models, Exploitation techniques, TCP/IP, Network Protocols, Distributed Denial-Of-Service (DDoS) Attacks, Network Security, Cyber Security Assessment, General Networking, Vulnerability Scanning, Cybersecurity, Web Development, Prompt Engineering, Large Language Modeling, Scripting, Python Programming, SQL, Command-Line Interface, Data Structures
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Business Continuity Planning, Continuous Monitoring, Security Management, ISO/IEC 27001, Security Controls, Information Systems Security, Risk Management, Risk Analysis, Security Strategy, Cyber Governance, Threat Modeling, NIST 800-53, Compliance Management, Regulatory Requirements
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Software Development Methodologies, Development Environment, Software Development, Application Programming Interface (API), Version Control, Software Design Patterns, JSON, Network Engineering, Software Development Tools, Restful API, Virtualization and Virtual Machines, Web Applications, TCP/IP, YAML, Extensible Markup Language (XML)
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Apache, Network Monitoring, Data Import/Export, Web Servers, Virtual Networking, Network Analysis
Intermediate · Project · Less Than 2 Hours

LearnQuest
Skills you'll gain: Threat Modeling, IT Security Architecture, Network Security, Internet Of Things, Identity and Access Management, Encryption, Security Engineering, Information Systems Security, Cybersecurity, Security Controls, Threat Management, Cloud Security, Vulnerability Assessments, Threat Detection, Cloud Solutions, Systems Architecture, Cryptography
Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Vulnerability Scanning, Digital Forensics, Linux, Linux Administration, Network Security, User Accounts, Network Monitoring, System Monitoring, Hardening, Continuous Monitoring, Information Systems Security, Security Controls, Wireless Networks, Penetration Testing, Cybersecurity, Containerization, Incident Response
Beginner · Course · 1 - 4 Weeks
LearnQuest
Skills you'll gain: Blockchain, Key Management, Security Controls, Cryptography, Cybersecurity, Security Engineering, Application Security, Network Security, Vulnerability Assessments, Encryption, Secure Coding, Data Security, Distributed Denial-Of-Service (DDoS) Attacks, Public Key Cryptography Standards (PKCS), Security Testing, Vulnerability Management, Transaction Processing, Risk Management, Code Review, Data Integrity
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Malware Protection, Endpoint Security, Mobile Security, Cloud Security, Application Security, Cloud Deployment, Cloud Computing, Threat Detection, Cybersecurity, Information Systems Security, Virtualization, Virtual Machines, Intrusion Detection and Prevention, Encryption
Beginner · Course · 1 - 4 Weeks