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: Virtual Teams, Operational Efficiency, Process Improvement and Optimization, Telecommuting, Process Analysis, Process Optimization, Workflow Management, Business Process Automation, Team Management, Business Operations, Operations Management, Employee Performance Management, Staff Management, Automation, Empowerment, Change Management, Continuous Improvement Process, Data Security, Remote Access Systems, Security Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Penetration Testing, Metasploit, Vulnerability Scanning, Exploitation techniques, Vulnerability Assessments, Cyber Security Assessment, Cyber Threat Intelligence, Generative AI, Cyber Operations, Data Ethics, Prompt Engineering, Automation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, Secure Coding, PHP (Scripting Language), Web Applications, Data Management, Generative AI, Web Development, ChatGPT, Application Development, Application Security, Microsoft Visual Studio, Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), Debugging, SQL
Intermediate · Guided Project · Less Than 2 Hours

Alfaisal University | KLD
Skills you'll gain: Financial Market, Derivatives, Investments, Capital Markets, International Finance, Financial Trading, Securities Trading, Market Liquidity, Finance, Investment Management, Financial Services, Risk Analysis, Return On Investment, Equities
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Role-Based Access Control (RBAC), Performance Tuning, VMware ESX Servers, Virtual Machines, Disaster Recovery, Virtualization, Data Centers, Network Switches, Virtualization and Virtual Machines, Patch Management, Network Administration, System Monitoring, System Configuration, Data Storage, Infrastructure Security, Identity and Access Management, Data Storage Technologies, Cloud Infrastructure, Cloud Computing, User Accounts
Intermediate · Specialization · 1 - 3 Months

Board Infinity
Skills you'll gain: Model View Controller, Spring Framework, Java, Security Assertion Markup Language (SAML), Web Applications, Software Architecture, Transaction Processing, Data Validation, Verification And Validation
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Restful API, Application Design, Secure Coding, Web Applications, Back-End Web Development, HTML and CSS, UI Components, User Interface (UI) Design, JSON, Business Modeling
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Identity and Access Management, Cloud Infrastructure, Google Cloud Platform, Cloud Computing, User Provisioning, Data Storage, System Monitoring, Cloud Storage, Security Controls, NoSQL, Encryption, Scalability
Intermediate · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Application Deployment, Containerization, Docker (Software), Cloud Applications, CI/CD, Application Security, Google App Engine, Serverless Computing
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Malware Protection, Network Security, Information Systems Security, Security Controls, Cybersecurity, Data Security, Mobile Security, Computer Security Awareness Training, Wireless Networks, Authentications, Human Factors (Security), Threat Detection, Encryption, User Accounts
Intermediate · Course · 1 - 4 Weeks

Princeton University
Skills you'll gain: Blockchain, Cryptographic Protocols, Cryptography, FinTech, Application Security, Encryption, Payment Systems, Security Engineering, Network Protocols, Key Management, Digital Assets, Data Storage, Transaction Processing, Distributed Computing, Financial Regulation, Market Dynamics
Mixed · Course · 1 - 3 Months

Edureka
Skills you'll gain: API Design, API Gateway, Application Programming Interface (API), Postman API Platform, Restful API, Data Validation, Authentications, OAuth, Cloud API, Microservices, Application Deployment, CI/CD, Open Web Application Security Project (OWASP), Authorization (Computing), Application Frameworks, Performance Tuning, Application Lifecycle Management, Test Automation, Prometheus (Software), Grafana
Intermediate · Specialization · 1 - 3 Months