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.

Board Infinity
Skills you'll gain: Spring Framework, Model View Controller, Java Platform Enterprise Edition (J2EE), Application Performance Management, Software Design Patterns, Java Programming, Java, Enterprise Architecture, Secure Coding, Software Architecture, Application Security, Security Assertion Markup Language (SAML), Dependency Analysis, Web Applications, Continuous Monitoring, OS Process Management, Debugging, Maintainability, Object Oriented Programming (OOP), Performance Tuning
Intermediate · Specialization · 3 - 6 Months

Board Infinity
Skills you'll gain: Blockchain, Cryptography, Encryption, Key Management, Cryptographic Protocols, Data Security, Security Strategy, Information Privacy, Emerging Technologies, Algorithms
Intermediate · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Site Reliability Engineering, Infrastructure as Code (IaC), Google Cloud Platform, Cloud Services, Application Deployment, Cloud Computing Architecture, Identity and Access Management, Cloud Infrastructure, Google App Engine, Kubernetes, Cloud Solutions, Cloud Computing, Cloud Storage, Terraform, Cloud Management, Cloud Security, CI/CD, Network Monitoring, Big Data, Load Balancing
Intermediate · Specialization · 1 - 3 Months

Microsoft
Skills you'll gain: Load Balancing, Scalability, Performance Tuning, Software Architecture, Microsoft Copilot, Application Design, Query Languages, Redis, Performance Testing, Application Performance Management, Database Management, SQL
Beginner · Course · 1 - 4 Weeks

Splunk Inc.
Skills you'll gain: Splunk, Data Transformation, Data Manipulation, Data Analysis Expressions (DAX), Statistical Analysis, Data Processing, Data Synthesis, Time Series Analysis and Forecasting, Real Time Data, Data Analysis, Big Data, Data Science, Business Analytics, Data Visualization
Beginner · Course · 1 - 3 Months

Skills you'll gain: Amazon Bedrock, Prompt Engineering, Responsible AI, Generative AI, MLOps (Machine Learning Operations), AWS SageMaker, Artificial Intelligence and Machine Learning (AI/ML), Amazon Web Services, AWS Identity and Access Management (IAM), Cloud Security, Natural Language Processing
Beginner · Course · 1 - 3 Months

Skills you'll gain: ASP.NET, Web Applications, Web Development, Microservices, Secure Coding, Single Sign-On (SSO), Performance Tuning, Identity and Access Management, Full-Stack Web Development, C# (Programming Language), Application Development, Application Security, Cloud Development, Multi-Factor Authentication, Authentications, Role-Based Access Control (RBAC), Scalability, Application Performance Management, Real Time Data
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Azure, Role-Based Access Control (RBAC), Azure Active Directory, Authorization (Computing), Authentications, Identity and Access Management, Cloud Infrastructure, Cloud Computing, Cloud Security, Single Sign-On (SSO), Kubernetes, Encryption, Multi-Factor Authentication, Data Integration
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Ajax, JSON, JavaScript Frameworks, Javascript, Application Programming Interface (API), Restful API, Web Applications, Real Time Data, Application Security
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Blockchain, Virtual Machines, Computing Platforms, Cloud Infrastructure, Software Installation, Google Cloud Platform, Key Management, User Accounts, Network Security
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Metasploit, Penetration Testing, Exploitation techniques, Vulnerability Assessments, Vulnerability Scanning, Cyber Security Assessment
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: ASP.NET, Restful API, Object-Relational Mapping, Web Applications, User Accounts, Single Sign-On (SSO), .NET Framework, API Design, Application Programming Interface (API), Database Application, Authentications, Back-End Web Development, Performance Tuning, Authorization (Computing), Data Management, Relational Databases, Identity and Access Management, Model View Controller, Multi-Factor Authentication, Data Security
Intermediate · Course · 1 - 4 Weeks