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: Microsoft Azure, Cloud Management, Cloud Computing, Cloud Infrastructure, Infrastructure As A Service (IaaS), Cloud Deployment, Cloud Services, Cloud Platforms, Infrastructure as Code (IaC), Virtual Machines, Hybrid Cloud Computing, System Monitoring, Cloud Security, Scalability
★ 4.5 (110) · Beginner · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Investment Management, Finance, Investments, Business Valuation, Portfolio Management, Financial Market, Equities, General Finance, Financial Analysis, Regression Analysis, Corporate Finance, Portfolio Risk, Asset Management, Microsoft Excel, Risk Analysis, Correlation Analysis, Performance Analysis, Cash Flows
★ 4.7 (931) · Intermediate · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Salesforce Development, User Provisioning, Identity and Access Management, Enterprise Application Management, Application Deployment, Security Management, Customer Relationship Management (CRM) Software, Workflow Management, Account Management, Internal Communications, Training and Development, Data Management, Customer Service, Security Controls
★ 3.8 (68) · Beginner · Specialization · 1 - 3 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Cloud Infrastructure, Network Architecture, Computer Networking, Cloud Computing Architecture, Software-Defined Networking, Cloud Computing, Network Routing, TCP/IP, Wide Area Networks, Data Centers, Network Performance Management, Network Switches, Virtual Machines, Scalability, Python Programming
★ 4.4 (304) · Mixed · Course · 1 - 3 Months

University of Maryland, College Park
Skills you'll gain: Application Security, Secure Coding, Vulnerability Assessments, Security Software, Security Testing, Cybersecurity, Collaborative Software, Threat Modeling, Debugging, Systems Design
★ 4.3 (158) · Intermediate · Course · 1 - 4 Weeks

University of Manchester
Skills you'll gain: Health Equity, Health Disparities, Public Health and Disease Prevention, Public Health, World History, Healthcare Ethics, Emergency Response, Health Care, Health Systems, Crisis Intervention, Social and Human Services, Safety and Security, Human Services, Ethical Standards And Conduct, Community Health, International Relations, Infectious Diseases, Social Studies, Policy Analysis, Chronic Diseases
★ 4.7 (288) · Beginner · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Digital Communications, OSI Models, Network Protocols, TCP/IP, Communication Systems, Telecommunications, Network Routing, Network Architecture, Network Planning And Design, General Networking, Computer Networking, Network Infrastructure, System Programming, Application Programming Interface (API), Data Integrity
★ 4.6 (2.4K) · Intermediate · Course · 1 - 3 Months

University of Maryland, College Park
Skills you'll gain: Cybersecurity, Cyber Security Strategy, Cyber Governance, Cyber Risk, Security Strategy, Cyber Security Policies, Security Management, Security Awareness, Information Privacy, Infrastructure Security, Risk Management, Dependency Analysis
★ 4.8 (51) · Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Unix Commands, Bioinformatics, grep, Unix Shell, Unix, Data Management, Information Management, Command-Line Interface, Linux Commands, Molecular Biology, Bash (Scripting Language), Big Data, Data Manipulation, File Management, Data Analysis Software, Data Processing, Bed Management, Data Pipelines, Life Sciences, Text Mining
★ 4 (570) · Mixed · Course · 1 - 4 Weeks

Fractal Analytics
Skills you'll gain: Responsible AI, Data Ethics, Generative AI, Human Centered Design, Problem Solving, Critical Thinking and Problem Solving, AI Security, AI Enablement, Business Leadership, Strategic Leadership, User Centered Design, AI Product Strategy, Generative Adversarial Networks (GANs), Business Strategy, Strategic Thinking, Artificial Intelligence, Critical Thinking, Design Thinking, Thought Leadership, Project Implementation
★ 4.6 (210) · Beginner · Specialization · 3 - 6 Months

DeepLearning.AI
Skills you'll gain: Software Documentation, LLM Application, Collaborative Software, Software Testing, Technical Documentation, Large Language Modeling, AI Integrations, Dependency Analysis, Security Testing, AI literacy, Package and Software Management, Debugging, Software Engineering
★ 4.6 (179) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: ISO/IEC 27001, Auditing, Audit Planning, Security Controls, Cyber Security Policies, Security Management, Information Systems Security, Information Assurance, Risk Management, Risk Management Framework, Security Requirements Analysis, Identity and Access Management, Security Awareness, Change Control, Record Keeping, Information Technology
Intermediate · Course · 1 - 3 Months