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: Restful API, API Design, Application Programming Interface (API), Virtual Environment, Python Programming, User Accounts, Application Security, Encryption, Data Modeling
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Cyber Threat Intelligence, Cybersecurity, Cyber Attacks, Cyber Security Assessment, Threat Modeling, Threat Detection, Intrusion Detection and Prevention, Exploitation techniques, Security Management, Network Security, Digital Forensics, Network Analysis
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Docker (Software), CI/CD, Containerization, Development Environment, Continuous Deployment, Continuous Integration, Devops Tools, DevOps, Application Deployment, Linux, Software Development Tools, YAML, Data Persistence, Command-Line Interface
Beginner · Course · 1 - 3 Months

Universitat Politècnica de València
Skills you'll gain: SQL, Data Integrity, Database Management, Relational Databases, Database Systems, Databases, Query Languages, Database Design, Web Applications, Application Security, Server Side, Data Manipulation
Beginner · Course · 1 - 3 Months

The State University of New York
Skills you'll gain: Blockchain, Market Liquidity, FinTech, Financial Market, Cryptographic Protocols, Financial Systems, Governance, Financial Trading, Payment Systems, Financial Services, Network Protocols, Digital Assets, Derivatives, Computing Platforms
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Performance Tuning, Oracle Databases, Operational Databases, SQL, Linux Administration, System Monitoring, Linux, Database Management, File I/O, Database Architecture and Administration, Performance Testing, Data Storage Technologies, Scenario Testing, Data Storage, Simulations
Advanced · Course · 1 - 3 Months

Amazon Web Services
Skills you'll gain: Network Architecture, Network Planning And Design, Virtual Networking, Amazon Web Services, Wide Area Networks, Network Security, Hybrid Cloud Computing, Cloud Computing Architecture, General Networking
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Auditing
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cloud-Native Computing, Application Deployment, Kubernetes, Containerization, Serverless Computing, CI/CD, DevOps, Prometheus (Software), Infrastructure Security, YAML, Microservices, System Monitoring, Grafana, Scalability
Intermediate · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Firewall, Cloud Security, Network Security, Google Cloud Platform, Virtual Networking, Cloud Computing, Virtual Machines, Network Architecture, Computer Networking, Scalability, Web Applications
Advanced · Project · Less Than 2 Hours

University of Maryland, College Park
Skills you'll gain: Brainstorming, User Story, Creative Thinking, Innovation, Design Thinking, Critical Thinking and Problem Solving, Solution Design, Agile Methodology, Problem Solving, Agile Product Development, Empathy, Requirements Analysis, Complex Problem Solving, Risk Management, Lean Methodologies, Process Improvement
Intermediate · Course · 1 - 3 Months

Packt
Skills you'll gain: Vulnerability Scanning, Cyber Security Assessment, Active Directory, Web Applications, Brute-force attacks, Microsoft Windows, Cryptographic Protocols, Bash (Scripting Language), Command-Line Interface, Shell Script, Apache Tomcat, Scripting, Microsoft SQL Servers
Intermediate · Course · 1 - 3 Months