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: Model Deployment, Multi-Cloud, Cloud Security, AI Security, MLOps (Machine Learning Operations), DevSecOps, Cloud Management, Security Architecture Review, Microservices, Site Reliability Engineering, Security Controls, CI/CD, System Monitoring, Infrastructure as Code (IaC), Compliance Management, Automation, Kubernetes, Docker (Software), Incident Management, Performance Analysis
Intermediate · Specialization · 3 - 6 Months

LearnQuest
Skills you'll gain: Blockchain, Key Management, Public Key Infrastructure, Cryptography, Application Security, Encryption, Secure Coding, Public Key Cryptography Standards (PKCS), Security Testing, Vulnerability Management, Solution Design, Cyber Governance, Vulnerability Assessments, Code Review, Authorization (Computing), Data Integrity
Intermediate · Course · 1 - 3 Months

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

Skills you'll gain: Infrastructure Security, Vulnerability Management, Vulnerability Assessments, Incident Response, Cyber Threat Intelligence, Security Strategy, Cybersecurity, Security Management, Cyber Security Assessment, Distributed Denial-Of-Service (DDoS) Attacks, Cyber Security Strategy, Cyber Attacks, Incident Management, Cyber Threat Hunting, Network Security, Cyber Security Policies, Intrusion Detection and Prevention, Threat Detection, Internet Of Things
Intermediate · Course · 1 - 3 Months

Packt
Skills you'll gain: Penetration Testing, Security Testing, Cybersecurity, Network Security, Vulnerability Scanning, Brute-force attacks, Server Side, TCP/IP, Network Monitoring, Vulnerability Assessments, Servers, Network Analysis, Network Protocols, Exploitation techniques, Program Development, Scripting
Intermediate · Course · 1 - 3 Months

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

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

AI CERTs
Skills you'll gain: Threat Modeling, Security Controls, Key Management, Security Management, Cybersecurity, Cyber Attacks, Hardening, Cyber Security Assessment, Endpoint Security
Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Computer Security Incident Management, Endpoint Security, Incident Management, Incident Response, ISO/IEC 27001, Security Management, Vulnerability Scanning, Digital Forensics, Risk Management, Risk Management Framework, Personally Identifiable Information, Vulnerability Assessments, Linux, Linux Administration, Infrastructure Security, Authorization (Computing), Network Security, Threat Management, Event Monitoring, Security Strategy
Beginner · Specialization · 1 - 3 Months

Macquarie University
Skills you'll gain: Incident Response, Cyber Governance, Incident Management, Computer Security Incident Management, Safety Culture, Cyber Risk, Security Awareness, Event Monitoring, Cyber Security Strategy, Cyber Attacks, Dashboard, Threat Management, Security Management, Cyber Security Policies, Cyber Threat Intelligence, Mobile Security, Corporate Communications, Cybersecurity, Cyber Security Assessment, Cyber Operations
Beginner · Specialization · 3 - 6 Months

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

LearnQuest
Skills you'll gain: Continuous Monitoring, Security Management, Security Strategy, Risk Management Framework, Cyber Risk, Threat Management, Cyber Security Strategy, Cloud Security, Computer Security Incident Management, Security Controls, Cyber Threat Intelligence, Incident Response, Risk Analysis, Cloud Standards, Scalability, Interoperability
Beginner · Course · 1 - 4 Weeks