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: Operating System Administration, Network Troubleshooting, Computer Networking, Information Systems Security, Cloud Management, Linux, IT Infrastructure, Cybersecurity, Microsoft Windows, Network Security, Network Protocols, TCP/IP, Application Security, Systems Administration, Remote Access Systems, Desktop Support, Technical Support, Lightweight Directory Access Protocols, Help Desk Support, Software Installation
Beginner · Professional Certificate · 3 - 6 Months

Automatic Data Processing, Inc. (ADP)
Skills you'll gain: Payroll, Payroll Administration, Payroll Processing, Payroll Reporting, Payroll Tax, Tax Management, Labor Compliance, Data Entry, Compensation Management, Compensation and Benefits, Human Resources Information System (HRIS), Non-Profit Accounting, Payment Processing and Collection, Benefits Administration, Tax Compliance, Customer Service, Specialized Accounting, Reconciliation, Employee Engagement, Data Analysis
Beginner · Professional Certificate · 3 - 6 Months

Khalifa University
Skills you'll gain: Feature Engineering, Responsible AI, Strategic Decision-Making, Data-Driven Decision-Making, Data Ethics, Business Intelligence, Business Analytics, Natural Language Processing, LLM Application, Large Language Modeling, Artificial Intelligence, Predictive Analytics, Advanced Analytics, Data Governance, Predictive Modeling, Systems Integration, Business Strategy, Business Ethics, Workflow Management, Applied Machine Learning
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Derivatives, Futures Exchange, Financial Market, Equities, Financial Trading, Market Data, Capital Markets, Investments, Securities Trading, Market Liquidity, Market Trend, Market Dynamics, Risk Management, Profit and Loss (P&L) Management, Risk Analysis, Arbitration
Mixed · Course · 1 - 4 Weeks

Fractal Analytics
Skills you'll gain: Threat Modeling, LLM Application, Generative AI Agents, Application Security, Software Architecture, Systems Architecture, Security Controls, Security Engineering, Interoperability, Agentic systems, Real Time Data, Artificial Intelligence, Network Protocols, Generative AI
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cyber Security Assessment, Cybersecurity, Security Testing, Computer Security Incident Management, Incident Response, Security Controls, Network Security, Encryption
Intermediate · Course · 1 - 4 Weeks

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
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
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