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: Embedded Systems, Embedded Software, Robotics, Electronic Systems, PIC Microcontrollers, Computer Systems, Internet Of Things, Automation, Control Systems, C (Programming Language), Peripheral Devices, Wireless Networks, Medical Devices, Electric Power Systems, Computer Architecture, Civil Engineering, Cybersecurity, Public Works, Cloud Computing, Electronic Hardware
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Vulnerability Assessments, Malware Protection, Cyber Security Assessment, Threat Detection, Penetration Testing, Threat Management, Exploitation techniques, Infrastructure Security, Network Security, Information Systems Security
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Distributed Denial-Of-Service (DDoS) Attacks, Microsoft Azure, Cyber Security Policies, Cloud Security, Firewall, Cyber Attacks, Cybersecurity, Malware Protection, Identity and Access Management, Network Security, Threat Management, Security Information and Event Management (SIEM), Threat Detection, Security Controls, Scenario Testing, Virtual Machines, Encryption, Event Management
Beginner · Course · 1 - 4 Weeks

New York University
Skills you'll gain: Reinforcement Learning, Financial Trading, Financial Market, Derivatives, Market Liquidity, Finance, Market Dynamics, Risking, Financial Modeling, Market Data, Credit Risk, Machine Learning
Advanced · Course · 1 - 4 Weeks

Università di Napoli Federico II
Skills you'll gain: Market Liquidity, Securities Trading, Financial Trading, Financial Market, Market Dynamics, Equities, Market Data, Technical Analysis, Financial Regulation, Order Processing, Algorithms
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Real-Time Operating Systems, Embedded Systems, Internet Of Things, System Requirements, Software Engineering, System Testing, Software Development, Verification And Validation, Cloud Infrastructure, Integration Testing, Performance Testing, Systems Integration, System Implementation, Requirements Analysis, Innovation, Algorithms
Advanced · Course · 1 - 4 Weeks

Università di Napoli Federico II
Skills you'll gain: Political Sciences, International Relations, World History, Diplomacy, Social Sciences, Public Safety and National Security, European History, Environmental Issue, Conflict Management, Climate Change Programs, Governance, Economics, Economic Development, Trend Analysis, Security Strategy
Beginner · Course · 1 - 3 Months

Infosec
Skills you'll gain: File Systems, Digital Forensics, Microsoft Windows, File Management, Operating Systems, Data Structures, Data Validation, Data Storage
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Containerization, CI/CD, Kubernetes, Docker (Software), Google Cloud Platform, Cloud Development, Application Deployment, Cloud Deployment, DevSecOps, Infrastructure Security, Serverless Computing
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Database Administration, Microsoft SQL Servers, Microsoft Azure, Database Management, Operational Databases, Transact-SQL, Database Architecture and Administration, Performance Tuning, SQL, Cloud Computing, Azure Active Directory, Cloud Security, Disaster Recovery, Data Migration, Data Security, Virtual Machines
Intermediate · Course · 1 - 3 Months

EC-Council
Skills you'll gain: Network Security, Cybersecurity, Information Assurance, Cloud Security, Security Controls, Mobile Security, Data Security, Cryptography, Public Key Infrastructure, Cyber Security Policies, Authorization (Computing), Intrusion Detection and Prevention, Network Monitoring, Wireless Networks, Authentications, Identity and Access Management, Encryption, Internet Of Things
Beginner · Course · 1 - 3 Months

Skills you'll gain: Salesforce, Salesforce Development, Workflow Management, Operational Efficiency, Dashboard, Data Access, Web Components, Application Design, Application Development, User Accounts, UI Components, Cloud Applications, Application Deployment, Management Reporting, Data Security, No-Code Development, Business Process Automation, Business Logic, User Interface (UI), Change Management
Beginner · Specialization · 1 - 3 Months