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: Security Controls, Vulnerability Scanning, ISO/IEC 27001, Penetration Testing, Vulnerability Assessments, Security Information and Event Management (SIEM), Data Security, Compliance Auditing, Security Assertion Markup Language (SAML), Computer Security Incident Management, Multi-Factor Authentication, Authentications, Computer Security Awareness Training, Single Sign-On (SSO), Event Monitoring, Authorization (Computing), Encryption, Cryptographic Protocols, Advanced Encryption Standard (AES), End User Training and Support
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Google Gemini, Gemini, Google Cloud Platform, Generative AI, Virtual Networking, AI Workflows, General Networking, Network Architecture
Beginner · Course · 1 - 4 Weeks
Starweaver
Skills you'll gain: Terraform, AI Security, DevSecOps, Infrastructure as Code (IaC), Amazon Web Services, AWS CloudFormation, Amazon Elastic Compute Cloud, Cloud Security, Cloud Deployment, Firewall, Cloud Infrastructure, LLM Application, AI literacy, Artificial Intelligence, Cloud Computing Architecture, Flask (Web Framework), Load Balancing, Scalability, Analysis
Advanced · Course · 1 - 4 Weeks

PepsiCo
Skills you'll gain: Water Sustainability, Water Resource Management, Water Resources, Hydrology, Water Quality, Corporate Sustainability, Stakeholder Engagement, Natural Resource Management, Environment and Resource Management, Stakeholder Management, Supply Chain Management, Public Works, Economic Development
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Security Controls, Multi-Factor Authentication, Security Management, Authorization (Computing), User Accounts, Content Management Systems, User Provisioning, Identity and Access Management, Data Security, Authentications, Data Management, Data Access, IT Security Architecture, Encryption
Intermediate · Course · 3 - 6 Months

John Wiley & Sons
Skills you'll gain: Security Management, Risk Management, Risk Management Framework, Compliance Management, Enterprise Risk Management (ERM), Risk Control, Risk Mitigation, Security Strategy, Cyber Governance, Risk Analysis, Governance, Cybersecurity, Regulatory Compliance, Security Controls, Law, Regulation, and Compliance, Regulation and Legal Compliance, Management Reporting, Cyber Security Policies, Cyber Security Strategy, Incident Response
Intermediate · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Linux Administration, Red Hat Enterprise Linux, Linux Servers, Network Troubleshooting, Linux, Event Monitoring, Systems Administration, Linux Commands, System Support, Hardening, System Monitoring, Security Controls, System Configuration, Network Administration, Authorization (Computing), Operating Systems, Unix Shell, Unix Commands, Command-Line Interface, Disaster Recovery
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Operating System Administration, Cloud Computing, Linux, Linux Commands, Linux Administration, Cloud Computing Architecture, Cloud Security, Operating Systems, Windows Servers, Microsoft Windows, File Systems, Systems Administration, Mac OS, Command-Line Interface, Virtual Machines, Firewall, Virtualization, Knowledge of Apple Software, File Management, User Accounts
Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Preprocessing, Deep Learning, Data Processing, Artificial Neural Networks, Logistic Regression, Applied Machine Learning, Program Development, Python Programming, Network Architecture, Model Training, Model Optimization, Machine Learning Algorithms, NumPy, Pandas (Python Package), Linear Algebra
Beginner · Course · 1 - 3 Months
Skills you'll gain: Threat Management, Cybersecurity, Cyber Risk, Computer Security Incident Management, Risk Management Framework, Risk Management, Incident Response, Vulnerability Management, Risk Mitigation, Security Information and Event Management (SIEM), Security Controls, Enterprise Security, Risk Analysis, Threat Detection, Open Web Application Security Project (OWASP), Asset Protection, System Monitoring, Auditing
Beginner · Course · 1 - 4 Weeks

AI CERTs
Skills you'll gain: System Monitoring, Continuous Monitoring, Infrastructure Security, Cryptographic Protocols, Security Controls
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Cyber Security Assessment, Security Testing, Vulnerability Assessments, Penetration Testing, White-Box Testing
Intermediate · Course · 1 - 4 Weeks