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: Database Administration, Programming Principles, Computer Programming, Artificial Intelligence, Cloud Services, Network Security
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: General Data Protection Regulation (GDPR), Personally Identifiable Information, Governance Risk Management and Compliance, Information Privacy, Data Governance, Data Security, Cybersecurity, Data Management, Cyber Attacks, Data Loss Prevention, Security Controls, Health Insurance Portability And Accountability Act (HIPAA) Compliance, Incident Response, Cyber Risk, Encryption, Risk Management Framework
Intermediate · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Salesforce, Administration, Data Management, Customer Relationship Management, Cloud Applications, Security Controls
Beginner · Specialization · 1 - 3 Months

University of Colorado System
Skills you'll gain: Cryptography, Cybersecurity, Encryption, Public Key Cryptography Standards (PKCS), Brute-force attacks
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Cyber Operations, Cybersecurity, Cyber Threat Intelligence, Cyber Attacks, Cyber Threat Hunting, IT Security Architecture, Cyber Security Strategy, Threat Detection, Network Security, Security Information and Event Management (SIEM), Security Management, MITRE ATT&CK Framework, Security Controls, Incident Response, Vulnerability Assessments, Cloud Security, Vulnerability Management, Vulnerability, Encryption, Configuration Management
Intermediate · Course · 1 - 4 Weeks

Yale University
Skills you'll gain: Land Management, Environmental Science, Sustainable Systems, Sustainable Development, Natural Resource Management, Environmental Engineering and Restoration, Environmental Resource Management, Environment and Resource Management, Philanthropy, Social Studies, Climate Change Mitigation, Finance
Beginner · Course · 1 - 3 Months

Illinois Tech
Skills you'll gain: Linux, Linux Administration, Operating System Administration, Linux Commands, User Accounts, Command-Line Interface, Systems Administration, Operating Systems, User Provisioning, Service Management, System Configuration, Package and Software Management, System Monitoring, Graphical Tools, Software Installation, File Management
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Universitat Autònoma de Barcelona
Skills you'll gain: General Data Protection Regulation (GDPR), Law, Regulation, and Compliance, Personally Identifiable Information, Security Controls, Information Privacy, Data Security, Data Governance, Data Ethics, Regulation and Legal Compliance, Data Management, Data Access, Regulatory Compliance, Risk Analysis, Informed Consent
Beginner · Course · 1 - 4 Weeks

Arizona State University
Skills you'll gain: Language Competency, Digital pedagogy, Grammar, English Language, Education Software and Technology, Language Learning, Vocabulary, Requirements Analysis
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Technical Design, User Feedback, Technology Solutions, Technical Consulting, Solution Design, Solution Architecture, Solution Delivery, SAP Applications, Technical Communication, Requirements Analysis, Business Analysis, Agile Methodology, Business Requirements, Requirements Elicitation, Gap Analysis, Customer Engagement, Presentations, Prioritization, Communication
Beginner · Course · 1 - 3 Months

Skills you'll gain: Prompt Engineering, Generative AI, Generative Model Architectures, AI Security, Data Ethics, Microsoft Azure, Artificial Intelligence, AI Integrations, Artificial Intelligence and Machine Learning (AI/ML), AI Workflows, Security Controls, Fine-tuning, Large Language Modeling, Deep Learning, Model Optimization, Model Evaluation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Kubernetes, Application Deployment, API Gateway, Cloud-Native Computing, Containerization, Network Troubleshooting, Data Storage, Network Administration, Infrastructure Security, Role-Based Access Control (RBAC), YAML, Security Controls, Linux Administration, Data Storage Technologies, General Networking, Problem Management, Network Security, Data Persistence, Test Tools, Scenario Testing
Intermediate · Specialization · 1 - 3 Months