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: Enterprise Risk Management (ERM), Continuous Monitoring, Medical Privacy, Personally Identifiable Information, Risk Management, Cyber Security Strategy, Risk Management Framework, Health Insurance Portability And Accountability Act (HIPAA) Compliance, Health Information Management, Governance Risk Management and Compliance, Health Technology, Information Privacy, Health Care Procedure and Regulation, Risk Mitigation, Healthcare Industry Knowledge, Risk Control, Data Management, Patient Safety, Security Awareness, Data Security
★ 4.7 (22) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Microsoft Intune (Mobile Device Management Software), Endpoint Security, Microsoft Windows, Authentications, Application Deployment, Operating System Administration, Cyber Security Policies, Azure Active Directory, Group Policy, Enterprise Application Management, Identity and Access Management, Cloud Applications, Enterprise Security, Mobile Security, Endpoint Detection and Response, System Configuration, Security Management, User Provisioning, Android (Operating System), Patch Management
★ 4.8 (30) · Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Microsoft Azure, Virtual Machines, Virtualization and Virtual Machines, Cloud Development, Cloud Hosting, Infrastructure As A Service (IaaS), Cloud Deployment, Application Deployment, Linux, Cloud Management, Linux Servers, Full-Stack Web Development, Web Applications, Node.JS, MongoDB
★ 4.6 (32) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Open Shortest Path First (OSPF), Virtual Local Area Network (VLAN), OSI Models, Wide Area Networks, Network Troubleshooting, TCP/IP, Wireless Networks, Cloud Computing, Network Routing, Routing Protocols, Network Security, Network Routers, Network Monitoring, Cloud Computing Architecture, Cloud Platforms, Event Monitoring, Threat Detection, Threat Management, Network Performance Management, Cloud Services
★ 4.7 (148) · Beginner · Specialization · 3 - 6 Months

Microsoft
Skills you'll gain: Microsoft 365, Microsoft Office, Collaborative Software, Microsoft Teams, Productivity Software, Endpoint Security, Business Process Automation, Automation, Microsoft Outlook, Data Security, Microsoft Word, Microsoft PowerPoint, Microsoft Excel
★ 4.6 (138) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Operating System Administration, Network Troubleshooting, Computer Networking, IT Security Architecture, Information Systems Security, Cloud Management, Linux, IT Infrastructure, Cybersecurity, Microsoft Windows, Network Security, Network Protocols, TCP/IP, Systems Administration, Remote Access Systems, Desktop Support, Technical Support, Lightweight Directory Access Protocols, Technical Support and Services, Package and Software Management
★ 4.8 (579) · Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Cyber Governance, Cybersecurity, Cyber Security Policies, Intrusion Detection and Prevention, Cryptography, Network Security, Cyber Risk, Cryptographic Protocols, Cyber Attacks, IT Security Architecture, Cyber Security Assessment, Cyber Security Strategy, Threat Management, Risk Management Framework, Threat Detection, Encryption, Incident Response
★ 3.4 (17) · Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Microsoft Azure, Infrastructure As A Service (IaaS), Network Administration, Network Infrastructure, Cloud Deployment, Cloud Computing, Data Storage, Cloud Management, Dashboard Creation, Cloud Platforms
★ 4.4 (512) · Beginner · Course · 1 - 3 Months

The State University of New York
Skills you'll gain: Diplomacy, International Relations, Health Policy, Governance, Health Systems, Public Health and Disease Prevention, Public Health, International Finance, Policty Analysis, Research, and Development, Public Safety and National Security, Philanthropy, Case Studies
★ 4.6 (128) · Beginner · Course · 1 - 3 Months

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

L&T EduTech
Skills you'll gain: Machine Learning Algorithms, Internet Of Things, Artificial Intelligence, Unsupervised Learning, Python Programming, Embedded Software, Computer Vision, Peripheral Devices, Integrated Development Environments, Deep Learning, Applied Machine Learning, Image Analysis, Machine Learning, Embedded Systems, Civil Engineering, Classification Algorithms, Security Controls, Wireless Networks, Automation, Digital Transformation
★ 4.6 (321) · Intermediate · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: OSI Models, Network Security, TCP/IP, Network Architecture, Network Protocols, Network Routing, Network Routers, Computer Networking, Infrastructure Security, Routing Protocols, Public Key Infrastructure, Network Model, Cryptographic Protocols, Web Applications, Application Servers
★ 4.6 (91) · Intermediate · Course · 1 - 3 Months