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.

University of Maryland, College Park
Skills you'll gain: Closing (Sales), Sales Process, Sales Presentation, Technical Sales, Sales, Sales Development, Sales Management, Sales Strategy, Solution Sales Engineering, Prospecting and Qualification, Emerging Technologies, Needs Assessment, Negotiation, Proposal Development, Cloud Computing, Cybersecurity
★ 4.7 (161) · Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Injury Prevention, Public Safety and National Security, Social Justice, Policty Analysis, Research, and Development, Public Policies, Policy Analysis, Public Health and Disease Prevention, Public Health, Health Disparities, Law, Regulation, and Compliance, Community Health
★ 4.7 (463) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Linux Administration, Linux Servers, Cloud Hosting, Cloud Infrastructure, Cloud Computing, Linux, Ubuntu, Operating System Administration, Linux Commands, Cloud Computing Architecture, Cloud Management, Cloud Services, Cloud Platforms, Infrastructure As A Service (IaaS), Cloud Deployment, Scalability, Server Administration, Servers, Web Applications, Web Servers
Intermediate · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Generative AI, Responsible AI, Generative Model Architectures, Multimodal Prompts, Prompt Engineering, MLOps (Machine Learning Operations), Generative Adversarial Networks (GANs), Azure DevOps Pipelines, AI Security, Fine-tuning, Data Ethics, AI Orchestration, AI Workflows, Model Deployment, Azure DevOps, Microsoft Azure, ChatGPT, AI Integrations, Artificial Intelligence and Machine Learning (AI/ML), Python Programming
★ 4.4 (15) · Intermediate · Professional Certificate · 3 - 6 Months

Skills you'll gain: Penetration Testing, Cyber Security Assessment, Security Testing, Cybersecurity, Cyber Security Strategy, Exploitation techniques, Cyber Attacks, Cyber Security Policies
★ 4.6 (14) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Model Deployment, MLOps (Machine Learning Operations), Microsoft Azure, Artificial Intelligence and Machine Learning (AI/ML), AI Integrations, Model Training, Cloud Deployment, Data Pipelines, AI Workflows, AI Security, Data Preprocessing, CI/CD, Continuous Monitoring, Identity and Access Management, Version Control, Data Storage
★ 4.6 (25) · Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: System Programming, Visual Basic (Programming Language), System Software, Hardware Architecture, Databases, Relational Databases, Algorithms, Computer Architecture, Network Security, Computer Hardware, SQL, Computer Science, Computer Networking, Computer Programming, Network Protocols, Programming Principles, Automation, Cloud Computing, Artificial Intelligence, Debugging
★ 4.6 (113) · Beginner · Course · 1 - 3 Months

Fortinet, Inc.
Skills you'll gain: Firewall, Network Administration, Network Troubleshooting, Network Infrastructure, Identity and Access Management, General Networking, System Configuration, Configuration Management, Network Security, Security Management, Authentications, Scripting
★ 4.4 (28) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Governance, Regulatory Compliance, Governance Risk Management and Compliance, Law, Regulation, and Compliance, Enterprise Security, Compliance Management, Regulatory Requirements, Regulation and Legal Compliance, Business Metrics, Accountability Frameworks, Key Performance Indicators (KPIs), Performance Metric, Ethical Standards And Conduct
★ 4.3 (7) · Intermediate · Course · 1 - 4 Weeks

Queen Mary University of London
Skills you'll gain: Cloud Services, Legal Risk, Cloud Computing, Intellectual Property, Contract Negotiation, Cloud Security, Contract Review, Law, Regulation, and Compliance, Service Level Agreement, Data Security, Cybersecurity
★ 4.9 (102) · Beginner · Course · 1 - 4 Weeks

Starweaver
Skills you'll gain: Business Process Automation, Automation, Business Process, Business Process Management, IT Automation, Workflow Management, Business Technologies, Operational Efficiency, Compliance Management, Security Controls
★ 4.2 (26) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: MITRE ATT&CK Framework, Threat Modeling, Cyber Threat Intelligence, Penetration Testing, Threat Management, Threat Detection, Cyber Security Assessment, Cybersecurity, Cyber Security Strategy, Cyber Operations, Vulnerability Scanning, Cyber Attacks, Computer Security, Vulnerability Assessments, Security Strategy, Cyber Security Policies, Network Security, Network Analysis, Network Protocols
★ 4.8 (14) · Intermediate · Course · 1 - 4 Weeks