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: User Story, Requirements Elicitation, Requirements Management, Business Requirements, Requirements Analysis, Verification And Validation, Functional Specification, User Acceptance Testing (UAT), Stakeholder Communications, Process Mapping, Interviewing Skills, Active Listening
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Application Deployment, Cloud Infrastructure, CI/CD, Cloud Computing Architecture, Cloud Security, Microservices, Service Level Agreement, Kubernetes, Google Cloud Platform, Cloud Storage, Key Performance Indicators (KPIs), Network Architecture, Restful API, Systems Architecture, Scalability, Load Balancing, System Monitoring, Disaster Recovery
Advanced · Course · 1 - 3 Months

Skills you'll gain: Google Workspace, Gmail, Lightweight Directory Access Protocols, Authorization (Computing), Active Directory, System Monitoring, User Accounts, Email Security, Data Governance, Cloud Management, Cloud Security, Endpoint Security, Identity and Access Management, Mobile Security, Compliance Auditing, Data Security, Configuration Management, Incident Management, Application Deployment, Annual Reports
Intermediate · Specialization · 1 - 3 Months

LearnKartS
Skills you'll gain: AWS Identity and Access Management (IAM), Amazon Web Services, Serverless Computing, Amazon S3, Identity and Access Management, Disaster Recovery, Amazon Elastic Compute Cloud, Amazon CloudWatch, Cloud Computing Architecture, Amazon Redshift, Amazon DynamoDB, Solution Architecture, Cloud-Native Computing, Containerization, Cloud Infrastructure, Cloud Engineering, Kubernetes, Cloud Computing, Hybrid Cloud Computing, API Gateway
Intermediate · Specialization · 1 - 3 Months

Infosec
Skills you'll gain: Open Web Application Security Project (OWASP), Secure Coding, Security Testing, Threat Modeling, Exploitation techniques, Application Security, Vulnerability Assessments, Extensible Markup Language (XML)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, LLM Application, Model Deployment, Responsible AI, Application Deployment, Application Development, Hugging Face, Data Ethics, Generative AI, AI Security, Application Security, Continuous Monitoring
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Open Web Application Security Project (OWASP), Application Security, Secure Coding, Threat Management, DevSecOps, Threat Modeling, Encryption, Risk Management Framework, Cloud Security, Security Testing, Authentications, Cloud API, Vulnerability Management, CI/CD, Code Review, Authorization (Computing), Configuration Management
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Computer Hardware, Operating Systems, Desktop Support, Databases, Hardware Troubleshooting, Information Technology, Technical Support, Computer Systems, System Configuration, Information Systems Security, General Networking, Networking Hardware, Application Deployment, Wireless Networks, Security Awareness, Software Installation, Computer Networking, Computer Security Awareness Training, Data Storage, Peripheral Devices
Beginner · Course · 3 - 6 Months

Skills you'll gain: Network Architecture, Network Monitoring, Load Balancing, Network Planning And Design, Virtual Networking, Microsoft Azure, Network Troubleshooting, Network Infrastructure, Network Administration, Scalability, Network Security, Computer Networking, Firewall, Virtual Private Networks (VPN), Network Routing, Virtual Machines
Beginner · Course · 1 - 4 Weeks

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

Skills you'll gain: Technical Communication, English Language, Telecommuting, End User Training and Support, Language Learning, Computer Hardware, digital literacy, Emerging Technologies, Vocabulary, Remote Access Systems, Data Security
Mixed · Course · 1 - 3 Months

Skills you'll gain: Linux Administration, Linux, System Configuration, Operating System Administration, Systems Administration, File Systems, Virtualization, File Management, Virtual Machines, Information Technology, Data Storage Technologies, Technical Communication
Advanced · Course · 1 - 3 Months