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 Colorado Boulder
Skills you'll gain: Failure Analysis, Electronic Components, Systems Engineering, Thermal Management, Control Systems, High Voltage, Power Electronics, Electrical Engineering, Energy and Utilities, Basic Electrical Systems, Electrical Safety, Materials science, Manufacturing Processes, Chemistry, Requirements Analysis
Intermediate · Course · 1 - 3 Months
Skills you'll gain: Blockchain, Financial Inclusion, FinTech, Emerging Technologies, Cryptography, Payment Systems, Digital Assets, Stakeholder Analysis, Cryptographic Protocols, Distributed Computing, Public Key Cryptography Standards (PKCS), Information Privacy, Governance, Network Security, Data Integrity, Financial Services, Innovation
Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Large Language Modeling, Email Security, Exploitation techniques, Border Gateway Protocol, Malware Protection, Mobile Security, Cybersecurity, Network Security, Open Web Application Security Project (OWASP), Network Monitoring, TCP/IP, Threat Detection, Network Analysis, Internet Of Things, Network Protocols, Responsible AI, Network Routing, Infrastructure Security, Application Security, Information Systems Security
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Google Gemini, Generative AI, Google Workspace, Google Cloud Platform, Productivity Software, Prompt Engineering, Large Language Modeling, Enterprise Security, Cloud Security
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Oracle Databases, Oracle SQL Developer, Performance Tuning, Database Management, Database Architecture and Administration, Database Administration, PL/SQL, Relational Databases, Patch Management, Data Integrity, SQL, Data Import/Export, Data Storage Technologies, User Accounts, Disaster Recovery
Mixed · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Microsoft Power Platform, Productivity Software, No-Code Development, Data Integration, Database Management Systems, Data Modeling, Application Development, Case Studies, Business Solutions, Security Controls
Beginner · Course · 1 - 4 Weeks
University of Colorado Boulder
Skills you'll gain: Field-Programmable Gate Array (FPGA), Hardware Design, Electronic Systems, Embedded Systems, Electronics Engineering, Application Specific Integrated Circuits, Electronics, Schematic Diagrams, Technical Design, Hardware Architecture, Design Software, Verification And Validation, Simulation and Simulation Software, Digital Design
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cryptography, Encryption, Secure Coding, File Management, Python Programming, Mathematical Software, Programming Principles, Scripting, Algorithms, Debugging, Data Structures, User Interface (UI), UI Components, Application Development
Beginner · Specialization · 1 - 3 Months

University of Colorado System
Skills you'll gain: Infrastructure Security, Cyber Risk, Cyber Security Policies, Cyber Security Assessment, Cybersecurity, Cyber Security Strategy, Risk Management Framework, Technology Roadmaps, Network Infrastructure, Transportation Operations, Infrastructure Architecture, Mobile Security
Beginner · Course · 1 - 4 Weeks
Duke University
Skills you'll gain: Pandas (Python Package), Bash (Scripting Language), Version Control, Jupyter, Linux Commands, Git (Version Control System), Shell Script, Linux, Web Scraping, Linux Administration, Data Manipulation, MySQL, Microservices, AWS SageMaker, SQL, JSON, Cloud Engineering, Python Programming, Big Data, Data Science
Beginner · Specialization · 3 - 6 Months
University of Michigan
Skills you'll gain: Data Ethics, Informed Consent, Information Privacy, Personally Identifiable Information, Data Security, Data Governance, Ethical Standards And Conduct, Big Data, Responsible AI, Intellectual Property, Data Analysis, Social Studies, Sampling (Statistics)
Beginner · Course · 1 - 3 Months

Unilever
Skills you'll gain: Data Governance, Descriptive Analytics, Data Storytelling, Supply Chain, Supply Chain Management, Demand Planning, Presentations, Data Visualization, Supply Chain Systems, Supply Chain Planning, Transportation, Supply Chain, and Logistics, Process Improvement, Data Management, Data Lakes, Predictive Analytics, Forecasting, Data Analysis, Data Analysis Software, Real Time Data, Problem Solving
Beginner · Professional Certificate · 3 - 6 Months