Linux security courses can help you learn system hardening, user access controls, network security protocols, and incident response strategies. You can build skills in configuring firewalls, implementing encryption techniques, and conducting security audits. Many courses introduce tools like iptables for firewall management, OpenSSL for encryption, and Wireshark for network analysis, showing how these skills are applied in practical work to protect systems from vulnerabilities and threats.

Skills you'll gain: Internet Of Things, Automation, Data Management, Control Systems, Hardware Architecture, Manufacturing Processes, Manufacturing and Production, Network Protocols, Systems Integration, Information Systems Security, Communication Systems, Systems Design, Analytics, Real Time Data
Beginner · Course · 1 - 4 Weeks

KodeKloud
Skills you'll gain: Jenkins, Continuous Integration, CI/CD, Command-Line Interface, Continuous Delivery, Systems Administration, DevOps, Software Configuration Management, Application Deployment, Software Installation, Virtual Machines, Server Administration, Data Maintenance
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Google Cloud Platform, Cloud Infrastructure, Public Cloud, Cloud Computing Architecture, Terraform, Load Balancing, Infrastructure as Code (IaC), Virtual Machines, Virtual Networking, Virtual Private Networks (VPN), Managed Services, Network Security, Scalability
Intermediate · Course · 1 - 3 Months

Universitat Politècnica de València
Skills you'll gain: Cybersecurity, Cyber Attacks, Computer Security Awareness Training, Encryption, Security Awareness, Data Security, Personally Identifiable Information, Cyber Risk, Malware Protection, General Data Protection Regulation (GDPR), Information Privacy, Multi-Factor Authentication, Identity and Access Management
Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Google Gemini, Generative AI Agents, Google Cloud Platform, Cloud Security, Agentic systems, Data Access, Prompt Engineering, Large Language Modeling, Enterprise Security, Cloud Storage, Data Integration, Artificial Intelligence, Data Security, Application Deployment
Beginner · Course · 1 - 3 Months

Infosec
Skills you'll gain: Distributed Denial-Of-Service (DDoS) Attacks, Secure Coding, Application Security, Encryption, Security Controls, Data Security, Database Application, Web Servers, Web Applications, Cryptography, Data Encryption Standard, Authentications, Query Languages, Data Validation, Computer Programming
Beginner · Course · 1 - 4 Weeks

University of Minnesota
Skills you'll gain: Open Web Application Security Project (OWASP), Cloud Security, Authorization (Computing), Cyber Risk, Authentications, Continuous Monitoring, Threat Modeling, Security Controls, Application Security, Secure Coding, System Monitoring, Cryptography, Data Security, Identity and Access Management, Infrastructure Security, Hardening
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Disaster Recovery, Business Continuity Planning, Contingency Planning, Business Risk Management, Data Loss Prevention, Risk Analysis, General Data Protection Regulation (GDPR), Personally Identifiable Information, Standard Operating Procedure, Incident Response, Threat Management, Compliance Management, Program Development, Continuous Improvement Process
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: MITRE ATT&CK Framework, Open Web Application Security Project (OWASP), Penetration Testing, Exploitation techniques, Distributed Denial-Of-Service (DDoS) Attacks, Mobile Security, Cybersecurity, Brute-force attacks, Network Security, Vulnerability Assessments, Web Applications, Wireless Networks, Encryption, Network Protocols
Intermediate · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: API Gateway, Cloud API, Application Programming Interface (API), Capacity Management, Scalability, Application Security, Hybrid Cloud Computing, Security Controls, Data Security, Cloud Deployment, Application Deployment, Role-Based Access Control (RBAC), Development Environment, Encryption, Debugging
Beginner · Course · 1 - 3 Months
Skills you'll gain: Information Privacy, Data Governance, Law, Regulation, and Compliance, Personally Identifiable Information, General Data Protection Regulation (GDPR), Data Security, Data Management, Data Architecture, Data Strategy, Data Ethics, Metadata Management, Encryption
Mixed · Course · 1 - 3 Months

Duke University
Skills you'll gain: MLOps (Machine Learning Operations), Continuous Delivery, Applied Machine Learning, Google Cloud Platform, Model Deployment, Cloud Applications, Artificial Intelligence and Machine Learning (AI/ML), Machine Learning, Microsoft Azure, Computer Vision, Application Programming Interface (API), Natural Language Processing, Flask (Web Framework)
Intermediate · Course · 1 - 4 Weeks