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.

Pragmatic AI Labs
Skills you'll gain: LLM Application, Large Language Modeling, Open Web Application Security Project (OWASP), AI Security, Cyber Security Assessment, Application Security, Threat Modeling, Security Testing, Secure Coding, Vulnerability Assessments, Software Architecture, Prompt Engineering, IT Security Architecture, Security Controls, Application Programming Interface (API), Data Validation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Computer Security Incident Management, ISO/IEC 27001, Incident Response, Audit Planning, Incident Management, Security Management, Compliance Auditing, Continuous Monitoring, Threat Management, Auditing, Security Controls, Audit Working Papers, Risk Management Framework, Information Assurance, Cybersecurity, Auditors Report, Risk Management, Cyber Security Strategy, Compliance Management, Internal Auditing
Intermediate · Course · 1 - 3 Months

Skills you'll gain: PostgreSQL, Data Maintenance, Database Administration, Database Architecture and Administration, SQL, Disaster Recovery, Secure Coding, Database Management, Relational Databases, Database Management Systems, 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: Kubernetes, Hardening, Scalability, Cloud-Native Computing, Authorization (Computing), Network Troubleshooting, Role-Based Access Control (RBAC), Security Controls, Security Architecture Review, Authentications, Application Deployment, Capacity Management, Cloud Platforms, Infrastructure Security, Network Security, Identity and Access Management, Azure DevOps, Cloud Applications
Intermediate · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Cloud Security, Open Web Application Security Project (OWASP), Data Governance, Data Management, Data Security, Cloud API, Secure Coding, Application Security, DevSecOps, Cloud Applications, Key Management, Encryption, Information Privacy, OAuth, Cloud Storage, API Gateway, Threat Modeling, Data Encryption Standard, Risk Management Framework
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Cloud Security, Threat Detection, Configuration Management, Google Cloud Platform, Security Management, Vulnerability Scanning, Continuous Monitoring, Vulnerability Management, Cyber Security Assessment, Anomaly Detection
Beginner · Course · 1 - 3 Months

Skills you'll gain: DevSecOps, DevOps, Application Security, Security Information and Event Management (SIEM), Security Controls, Automation, Continuous Monitoring, System Monitoring, Service Level, Cyber Threat Intelligence, Security Strategy, Cybersecurity, Cloud-Native Computing, Event Monitoring, Threat Detection, Incident Response, Cloud Platforms
Beginner · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Risk Management, Risk Analysis, Risk Management Framework, Risk Modeling, Security Management, Risk Appetite, Business Risk Management, Cyber Risk, Risk Mitigation, Threat Management, Enterprise Risk Management (ERM), Risk Control, Vulnerability Assessments, Threat Modeling, Vulnerability Management, Threat Detection, Security Controls, Stakeholder Communications, Vulnerability, Stakeholder Engagement
Mixed · Course · 1 - 4 Weeks

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

Skills you'll gain: Linux Administration, Linux, Shell Script, Linux Commands, Firewall, Systems Administration, Disaster Recovery, Unix Shell, Operating System Administration, Network Administration, Bash (Scripting Language), File Systems, Scripting, Network Troubleshooting, Containerization, Cloud-Native Computing, Network Security, Scripting Languages, Dynamic Host Configuration Protocol (DHCP), System Support
Beginner · Course · 1 - 3 Months

The Hong Kong University of Science and Technology
Skills you'll gain: Financial Regulation, Financial Regulations, Bank Regulations, FinTech, Financial Services, Financial Industry Regulatory Authorities, Law, Regulation, and Compliance, Regulatory Compliance, Mobile Banking, Regulatory Requirements, Financial Controls, Fraud detection, Loss Prevention, Data Security, Cybersecurity, Human Factors (Security), Insurance, Blockchain, Information Privacy, Security Controls
★ 4.7 (337) · Beginner · Course · 1 - 3 Months

Skills you'll gain: AI Security, Security Engineering, Hardening, Agentic Workflows, AI Integrations, Application Security, DevSecOps, IT Security Architecture, Agentic systems, Responsible AI, Secure Coding, Security Controls, Threat Modeling, Human Factors (Security), Cybersecurity, Generative AI Agents, Continuous Monitoring, Security Awareness, Artificial Intelligence, Authorization (Computing)
Intermediate · Course · 3 - 6 Months