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.
Microsoft
Skills you'll gain: Prompt Engineering, Microsoft Copilot, Security Information and Event Management (SIEM), Cyber Threat Hunting, Security Software, Microsoft Azure, Security Controls, Cyber Security Assessment, Incident Response, Generative AI, Artificial Intelligence, Query Languages
Intermediate · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Cybersecurity, Malware Protection, Cyber Attacks, Network Security, Information Systems Security, Intrusion Detection and Prevention, Security Testing, Penetration Testing, Firewall, Threat Detection, Internet Of Things, Exploitation techniques, Network Analysis
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: IT Security Architecture, Security Controls, Cryptography, Security Engineering, Application Security, Vulnerability Assessments, Information Systems Security, Encryption, Cybersecurity, Hardening, Infrastructure Security, Computer Security, Threat Modeling, Network Security, Public Key Infrastructure, Authentications, Data Integrity
Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Application Security, Open Web Application Security Project (OWASP), Angular, OAuth, Test Driven Development (TDD), Cryptography, Data Validation, Unit Testing, Vue.JS, Data Security, Authentications, HTML and CSS, Encryption, Authorization (Computing), General Data Protection Regulation (GDPR), Web Applications, JavaScript Frameworks, Javascript, Security Strategy, Computer Programming
Beginner · Specialization · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: System Programming, Embedded Software, Linux, Embedded Systems, Debugging, Operating Systems, Peripheral Devices, Build Tools, File Systems, Shell Script, C (Programming Language), Development Environment, Command-Line Interface
Advanced · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Penetration Testing, Network Security, Exploitation techniques, Open Web Application Security Project (OWASP), Cyber Security Assessment, Unix, Computer Security, Network Monitoring, Application Security, Vulnerability Assessments, Cybersecurity, Artificial Intelligence and Machine Learning (AI/ML), Cryptographic Protocols, Network Protocols, Cryptography, Security Awareness, Generative AI Agents, Server Side, Web Applications, Machine Learning Algorithms
Intermediate · Specialization · 3 - 6 Months

Macquarie University
Skills you'll gain: Criminal Investigation and Forensics, Investigation, File Systems, Mobile Security, Cybersecurity, Data Security, Threat Detection, Data Integrity, Graphical Tools, Digital Communications, Malware Protection, File Management, Computer Security Incident Management, Incident Response, Mobile Development Tools, Data Storage, Real Time Data, Disaster Recovery, Network Analysis, Regulation and Legal Compliance
Beginner · Course · 1 - 3 Months

Skills you'll gain: Risk Analysis, Risk Management, Cybersecurity, Network Security, Incident Response, Cloud Security, Risk Management Framework, Authentications, Business Continuity Planning, Application Security, IT Management, Security Management, Threat Modeling, Threat Management, OSI Models, Disaster Recovery, Cryptography, Encryption, Cyber Risk, Vulnerability Assessments
Intermediate · Specialization · 1 - 3 Months

LearnQuest
Skills you'll gain: Continuous Monitoring, Cybersecurity, Security Management, Network Security, Security Strategy, Risk Management Framework, Internet Of Things, Cyber Risk, Threat Management, Cyber Security Strategy, Infrastructure Security, Hardware Architecture, Security Engineering, Encryption, Communication Systems, Wireless Networks, Information Systems Security, Vulnerability Assessments, Risk Analysis, Network Infrastructure
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Public Key Infrastructure, Cloud Security, Hardening, Infrastructure Security, Application Security, Information Systems Security, Network Security, Cyber Security Assessment, System Configuration, Cryptography, Encryption, Mobile Security
Intermediate · Course · 1 - 4 Weeks

Illinois Tech
Skills you'll gain: Cloud Security, Identity and Access Management, AWS Identity and Access Management (IAM), Incident Response, Cloud Computing, Cloud Computing Architecture, Data Security, Application Security, Network Security, Encryption, Role-Based Access Control (RBAC), Amazon Web Services, Key Management, Infrastructure Security, Security Controls, Firewall, Continuous Monitoring, Multi-Factor Authentication
Beginner · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Blockchain, Cryptography, Application Security, Network Security, Data Security, Security Engineering, Secure Coding, Information Systems Security, Infrastructure Security, Encryption, Cybersecurity, Threat Modeling, Vulnerability Assessments
Advanced · Course · 1 - 3 Months