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: JUnit, Apache Maven, Spring Boot, Model View Controller, Unit Testing, Microservices, Application Development, Spring Framework, Redis, Restful API, YAML, Java, Java Programming, MongoDB, Application Deployment, NoSQL, Ajax, Hibernate (Java), Data Persistence, Software Testing
Beginner · Specialization · 3 - 6 Months

Microsoft
Skills you'll gain: Data Security, Cloud Security, Azure Active Directory, Microsoft Azure, Data Storage, Encryption, Cloud Storage, Authorization (Computing), Authentications, Database Management, Data Governance, Key Management, Identity and Access Management, Firewall, Threat Detection
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Prompt Engineering, Git (Version Control System), GitHub, Version Control, CI/CD, Azure DevOps, Infrastructure as Code (IaC), Microsoft Copilot, Bitbucket, Continuous Integration, Microsoft Azure, DevOps, Docker (Software), GitLab, Software Development Tools, Application Deployment, ChatGPT, Software Installation, Continuous Deployment, Amazon Web Services
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Google Workspace, Gmail, Lightweight Directory Access Protocols, Authorization (Computing), Active Directory, System Monitoring, User Accounts, Email Security, Data Governance, Cloud Management, Cloud Security, Endpoint Security, Identity and Access Management, Mobile Security, Compliance Auditing, Data Security, Configuration Management, Incident Management, Application Deployment, Annual Reports
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Penetration Testing, Metasploit, Open Web Application Security Project (OWASP), Network Protocols, Vulnerability Assessments, Cyber Security Assessment, Exploitation techniques, Brute-force attacks, Windows PowerShell, Active Directory, Network Security, Network Analysis, Microsoft Windows, Wireless Networks, Scripting, Virtual Environment
Intermediate · Course · 1 - 3 Months

Skills you'll gain: File Management, Computer Literacy, Microsoft Office, Email Security, Computer Hardware, Computer Security Awareness Training, Spreadsheet Software, digital literacy, Information Management, Safety and Security
Intermediate · Course · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: Salesforce, Email Marketing, User Accounts, Dashboard, Administration, Business Reporting, Collaborative Software, Data Maintenance, Data Cleansing, UI/UX Strategy, Application Deployment, Data Import/Export, Internal Communications, Data Management, Business Administration, Cloud Computing, Data Security, Automation
Beginner · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Computer Security Incident Management, Vulnerability Management, Incident Response, Identity and Access Management, Cybersecurity, Security Controls, Vulnerability Assessments, Mobile Security, Intrusion Detection and Prevention, Hardening, Threat Detection, Application Security, Information Systems Security, Threat Management, Digital Forensics, Network Security, Wireless Networks, Authentications, Authorization (Computing), Automation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Exploitation techniques, Metasploit, Vulnerability Assessments, Vulnerability Scanning, Brute-force attacks, Virtual Environment, Cybersecurity, Technical Writing, Web Servers, Linux
Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Test Automation, Performance Testing, Software Testing, API Testing, Test Script Development, Security Testing, Test Tools, CI/CD, Regression Testing, JUnit, Selenium (Software), Scalability, Automation, Test Case, Application Programming Interface (API), Application Security
Beginner · Course · 1 - 3 Months

Skills you'll gain: Audit Planning, Network Security, Disaster Recovery, Cyber Attacks, Business Continuity Planning, Security Testing, Digital Forensics, Infrastructure Security, Identity and Access Management, Database Management, Enterprise Architecture, Database Administration, Compliance Management, Regulatory Compliance, Auditing, Quality Assurance, Cloud Computing, OSI Models, Asset Management, Quality Management
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Cloud Development, Serverless Computing, Google Cloud Platform, Cloud Applications, Cloud Services, Application Development, Containerization, Cloud Security, Application Deployment, Identity and Access Management, Integration Testing, Scalability
Beginner · Course · 1 - 3 Months