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: Threat Modeling, Security Management, Risk Management, Disaster Recovery, Governance, Business Continuity, Application Security, Information Management, Risk Appetite, Security Controls, Continuous Monitoring, Configuration Management, Governance Risk Management and Compliance, Cybersecurity, Enterprise Security, Cloud Computing, Malware Protection, IT Management, Information Assurance, Test Planning
Intermediate · Specialization · 1 - 3 Months

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

University of Illinois Urbana-Champaign
Skills you'll gain: Internet Of Things, Embedded Software, Wireless Networks, Network Protocols, Infrastructure Security, Data Science, Embedded Systems, General Networking, Network Planning And Design, Big Data, Amazon Web Services, Cloud Platforms, Computer Hardware
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Digital Transformation, Cloud Services, Cloud Infrastructure, Infrastructure As A Service (IaaS), Cloud Computing, Public Cloud, Business Transformation, Technology Strategies, Google Cloud Platform, Software As A Service, Platform As A Service (PaaS), Hybrid Cloud Computing, Cloud Security, Multi-Cloud
Beginner · Course · 1 - 3 Months

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

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
Rice University
Skills you'll gain: Portfolio Management, Financial Market, Investments, Securities (Finance), Financial Systems, Securities Trading, Asset Management, Behavioral Economics, Capital Markets, Investment Management, Equities, Performance Measurement, Wealth Management, Finance, Financial Services, Performance Analysis, Risk Management, Return On Investment, Market Liquidity, Derivatives
Beginner · Specialization · 3 - 6 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
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