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.

Microsoft
Skills you'll gain: Database Systems, Microsoft Azure, Databases, Relational Databases, MySQL, SQL, Database Management, NoSQL, Cloud Services, PostgreSQL, Data Storage Technologies, Data Security, Data Management
Beginner · Course · 1 - 4 Weeks

Starweaver
Skills you'll gain: Business Process Automation, Automation, Business Process, Process Design, IT Automation, Workflow Management, Robotic Process Automation, Business Transformation, Business Technologies, Operational Efficiency, Compliance Management, Security Controls, Continuous Improvement Process, Return On Investment, Change Management
Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Blockchain, Cryptography, Data Storage, Systems Architecture, Network Architecture, FinTech, Information Technology Architecture, Distributed Computing, Application Security, Security Controls, Cloud Platforms, Other Programming Languages, Emerging Technologies, Scalability, Data Integrity, Transaction Processing, Computer Programming Tools
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Generative AI, Responsible AI, Auditing, AI Product Strategy, Compliance Auditing, Risk Analysis, Risk Management, Artificial Intelligence, Risk Mitigation, Data Security, Machine Learning Methods
Intermediate · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Azure Active Directory, Microsoft Azure, Active Directory, Web Applications, Cloud Applications, Application Security, Cloud Security, Identity and Access Management, Authorization (Computing), Key Management, Application Programming Interface (API), Authentications, Encryption
Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Operating System Administration, Package and Software Management, IT Infrastructure, Network Troubleshooting, Computer Networking, Infrastructure Security, Encryption, Desktop Support, Network Security, Routing Protocols, TCP/IP, Cybersecurity, Lightweight Directory Access Protocols, Technical Support, Active Directory, Network Protocols, Computer Hardware, Cloud Computing, Customer Service, Debugging
Beginner · Professional Certificate · 3 - 6 Months

Microsoft
Skills you'll gain: Generative AI, Microsoft Copilot, Natural Language Processing, Data Quality, Anomaly Detection, Data Storytelling, Technical Communication, Responsible AI, Data Visualization, Data Ethics, Data-Driven Decision-Making, Interactive Data Visualization, Data Pipelines, Data Cleansing, Data Visualization Software, Data Analysis, Data Science, Data Security, Data Synthesis, Critical Thinking
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Network Administration, Virtual Local Area Network (VLAN), General Networking, Network Architecture, TCP/IP, Local Area Networks, Computer Networking, Command-Line Interface, Network Infrastructure, Wireless Networks, Network Security, Network Switches, OSI Models, Dynamic Host Configuration Protocol (DHCP), Network Routing, Network Protocols
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Intercultural Competence, Healthcare Ethics, Cultural Diversity, Public Health and Disease Prevention, Stress Management, Safety Training, Preventative Care, Injury Prevention, Occupational Health, Public Health, Safety and Security, Ethical Standards And Conduct, Adaptability, Infectious Diseases, Emergency Response, Mental Health, Planning
Beginner · Course · 1 - 4 Weeks

University of Illinois Urbana-Champaign
Skills you'll gain: Network Infrastructure, Network Routers, Network Switches, Network Architecture, Internet Of Things, General Networking, Infrastructure Security, Wireless Networks, Network Security, Cloud-Based Integration, System Implementation, Cloud Computing, System Monitoring
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Generative AI, Security Awareness
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, Cloud Computing, Threat Management, Security Controls, Application Security, Secure Coding, System Monitoring, Cryptography, Security Testing, Data Security, Identity and Access Management
Intermediate · Course · 1 - 4 Weeks