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.

LearnKartS
Skills you'll gain: Salesforce, Authentications, Salesforce Development, Data Access, Role-Based Access Control (RBAC), Security Controls, Data Security, Authorization (Computing), Event Monitoring, Application Security, Security Strategy, Data Sharing, Responsive Web Design, Compliance Reporting, User Accounts, Application Development, Mobile Development, User Interface (UI)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Security Management, Vulnerability Assessments, Threat Management, IT Management, Security Strategy, Cyber Governance, Risk Management Framework, Security Controls, Cyber Risk, Security Awareness, Disaster Recovery
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Cloud Security, System Configuration, Threat Detection, Security Information and Event Management (SIEM), Configuration Management, Google Cloud Platform, Security Management, Vulnerability Scanning, Continuous Monitoring, Vulnerability Management
Beginner · Course · 1 - 3 Months

Macquarie University
Skills you'll gain: Anomaly Detection, AI Security, Cyber Security Strategy, Cyber Threat Intelligence, Threat Detection, Intrusion Detection and Prevention, Fraud detection, Cybersecurity, Applied Machine Learning, Malware Protection, Threat Modeling, Artificial Intelligence and Machine Learning (AI/ML), Artificial Intelligence, Network Analysis, Machine Learning, Machine Learning Algorithms, Model Evaluation, Artificial Neural Networks, MLOps (Machine Learning Operations), Data-Driven Decision-Making
Intermediate · Course · 1 - 3 Months

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: PostgreSQL, Data Maintenance, Database Administration, Database Architecture and Administration, SQL, Secure Coding, Database Management, Relational Databases, Query Languages, Security Controls, Data Access, Data Security, Role-Based Access Control (RBAC), Threat Management, Threat Detection
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Network Architecture, Network Security, Network Planning And Design, Cloud Computing Architecture, Virtual Networking, General Networking, Network Troubleshooting, Cloud Infrastructure, Google Cloud Platform, Network Routing, Load Balancing, Firewall, Virtual Private Networks (VPN), Scalability
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Identity and Access Management, Cloud Security, Google Cloud Platform, Data Lakes, Cloud Storage, Data Security, Data Access, Role-Based Access Control (RBAC), Cloud Computing, Big Data, Data Analysis
Beginner · Project · Less Than 2 Hours
Skills you'll gain: Application Security, OAuth, Data Validation, Authentications, Security Testing, Secure Coding, Web Applications, Authorization (Computing), Vulnerability Scanning, Cyber Attacks, Distributed Denial-Of-Service (DDoS) Attacks, Server Side, Security Strategy
Intermediate · Course · 1 - 4 Weeks

Pearson
Skills you'll gain: File Management, Firewall, Linux Administration, Ubuntu, Hardening, Linux Servers, OS Process Management, Linux, Authentications, Zero Trust Network Access, Remote Access Systems, Data Security, User Accounts, Network Security, Linux Commands, Application Security, Security Strategy, Operating System Administration, Information Systems Security, IT Security Architecture
Intermediate · Specialization · 1 - 4 Weeks

AI CERTs
Skills you'll gain: Cyber Threat Intelligence, Encryption, Regulatory Compliance
Advanced · Course · 1 - 3 Months

Skills you'll gain: Incident Response, Intrusion Detection and Prevention, Computer Security Incident Management, Incident Management, Threat Detection, Security Information and Event Management (SIEM), IT Automation, Automation, Event Monitoring, Cyber Threat Intelligence, Continuous Monitoring, System Monitoring, Anomaly Detection, Cybersecurity, Security Controls, Data Analysis Software, Risk Management Framework
Beginner · Course · 1 - 4 Weeks