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: Authentications, Incident Response, MITRE ATT&CK Framework, Security Controls, Cryptography, Malware Protection, Cryptographic Protocols, Threat Modeling, Endpoint Security, Key Management, Authorization (Computing), Public Key Infrastructure, Vulnerability Assessments, Risk Management, Network Security, Application Security, Asset Management, Cloud Security, OSI Models, Continuous Monitoring
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Identity and Access Management, IT Security Architecture, Security Testing, Single Sign-On (SSO), Data Security, Contingency Planning, User Provisioning, Cryptography, Network Security, Application Security, Information Systems Security, Cryptographic Protocols, Asset Protection, Cloud Security, Computer Security Incident Management, Digital Assets, Public Key Cryptography Standards (PKCS), Incident Response, Risk Management Framework, Risk Management
Advanced · Specialization · 3 - 6 Months

Palo Alto Networks
Skills you'll gain: Zero Trust Network Access, Network Security, Endpoint Security, General Networking, TCP/IP, Cybersecurity, Network Infrastructure, Firewall, Virtual Private Networks (VPN), OSI Models, Network Protocols, Dynamic Host Configuration Protocol (DHCP), Encryption, Authentications, Network Analysis, Software As A Service
Intermediate · Course · 1 - 3 Months

Whizlabs
Skills you'll gain: Google Cloud Platform, Cost Management, Cloud Management, System Monitoring, Application Performance Management, Cloud Security, Identity and Access Management, Key Management, Infrastructure as Code (IaC), Continuous Monitoring, Encryption, Serverless Computing, Event-Driven Programming, Real Time Data
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Cloud Security, Risk Management Framework, Data Security, DevSecOps, Personally Identifiable Information, Security Management, ISO/IEC 27001, Cloud Computing, Information Privacy, NIST 800-53, Infrastructure as Code (IaC), Security Controls, Google Cloud Platform, Cybersecurity, Identity and Access Management
Beginner · Course · 1 - 4 Weeks

Palo Alto Networks
Skills you'll gain: Cloud Security, Cloud-Native Computing, Cloud Computing Architecture, Infrastructure Security, DevSecOps, Cloud Computing, Application Security, Cloud Infrastructure, Network Security, Docker (Software), Software As A Service, Hybrid Cloud Computing, Containerization, Data Centers, Vulnerability Scanning, Virtual Machines, DevOps, Vulnerability Assessments
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Kubernetes, Role-Based Access Control (RBAC), DevSecOps, Infrastructure Security, Application Security, Hardening, Cloud Security, Network Security, Containerization, Security Testing, Security Controls, Docker (Software), Cyber Security Policies, Secure Coding, Identity and Access Management, Threat Detection, Encryption, Authentications, Verification And Validation
Advanced · Course · 3 - 6 Months

Google Cloud
Skills you'll gain: Data Loss Prevention, Distributed Denial-Of-Service (DDoS) Attacks, Cloud Security, Threat Management, Security Controls, Google Cloud Platform, Data Security, Vulnerability Management, Threat Detection, IT Automation, Identity and Access Management, System Monitoring
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Vulnerability Management, Threat Detection, Vulnerability Assessments, Multi-Cloud, Cloud Security, Security Controls, Threat Management, Google Cloud Platform, Cloud Management, Enterprise Security, Security Information and Event Management (SIEM)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Network Security, Virtualization, Augmented and Virtual Reality (AR/VR), Cloud Computing Architecture, Virtual Machines, Cloud Computing, Firewall, Network Architecture, Virtual Private Networks (VPN), Mobile Security, Cloud Security, Wireless Networks, Network Protocols, Peripheral Devices
Intermediate · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Distributed Denial-Of-Service (DDoS) Attacks, Cloud Security, Data Security, Cloud Computing, Cybersecurity, Infrastructure Security, Google Cloud Platform, Authentications, Authorization (Computing), Public Cloud, Network Security, Data Storage, Identity and Access Management, Data Centers, Encryption
Beginner · Course · 1 - 3 Months

EC-Council
Skills you'll gain: Incident Response, Computer Security Incident Management, Cyber Threat Hunting, Vulnerability Management, Event Monitoring, Threat Detection, Intrusion Detection and Prevention, Cybersecurity, Cyber Attacks, Security Controls, Security Information and Event Management (SIEM), Vulnerability Assessments, Threat Management, Exploitation techniques, Network Monitoring, Anomaly Detection
Beginner · Course · 1 - 3 Months