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: AWS CloudFormation, Amazon CloudWatch, Cloud Security, Data Security, Infrastructure as Code (IaC), Data Governance, AWS Identity and Access Management (IAM), Cyber Governance, Distributed Denial-Of-Service (DDoS) Attacks, Encryption, Key Management, Security Controls, Amazon S3, Continuous Monitoring, Firewall, System Monitoring
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Zero Trust Network Access, Microsoft Azure, Cloud Security, Endpoint Detection and Response, Security Controls, Multi-Factor Authentication, Cloud Computing, Identity and Access Management, Enterprise Security, Data Governance, Encryption
Beginner · Course · 1 - 4 Weeks

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

Coursera
Skills you'll gain: Responsible AI, AI Security, Telehealth, Health Technology, Generative AI, Health Insurance Portability And Accountability Act (HIPAA) Compliance, Healthcare Ethics, Regulatory Compliance, Health Care Procedure and Regulation, Security Strategy, Medical Privacy, Data Security, Analysis, Innovation, Design
Intermediate · Course · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: Core Data (Software), Apple iOS, iOS Development, JSON, Objective-C (Programming Language), OAuth, Authentications, Mobile Development, Single Sign-On (SSO), Secure Coding, Data Store, Cryptographic Protocols, Application Security, Data Persistence
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Blockchain, Cryptography, Security Engineering, Threat Modeling, Threat Management, Data Security, Cyber Threat Intelligence, Vulnerability Assessments, Cyber Security Strategy, Threat Detection, Information Systems Security, Application Security, Security Testing, Key Management, Encryption, Regulatory Compliance, Network Protocols, Financial Regulation, Scalability, Scripting
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Systems Development Life Cycle, Security Controls, Software Testing, Cybersecurity, Risk Management Framework
Beginner · Course · 1 - 3 Months

Skills you'll gain: Power BI, Microsoft Power Platform, DevOps, Microsoft Azure, Application Deployment, Enterprise Architecture, Real Time Data, Business Intelligence, Collaborative Software, Role-Based Access Control (RBAC), Scalability, Data Integration, Data Governance, Data Modeling, System Configuration, Collaboration, Analytics, Compliance Management, Data Sharing, Problem Solving
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Microsoft Azure, Data Governance, Real Time Data, Data Lakes, Microsoft SQL Servers, Compliance Management, Metadata Management, Data Architecture, Data Security, Power BI, Operational Databases, System Monitoring, Identity and Access Management, Event-Driven Programming
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Distributed Denial-Of-Service (DDoS) Attacks, Google Cloud Platform, Kubernetes, Prometheus (Software), Cloud Infrastructure, Identity and Access Management, Data Loss Prevention, Load Balancing, Prompt Engineering, Network Monitoring, Cloud Computing Architecture, Containerization, Application Performance Management, Virtual Networking, Network Architecture, Role-Based Access Control (RBAC), Network Routing, Site Reliability Engineering, Cloud Security, Virtual Private Networks (VPN)
Build toward a degree
Intermediate · Professional Certificate · 3 - 6 Months
Starweaver
Skills you'll gain: Medical Privacy, Health Insurance Portability And Accountability Act (HIPAA) Compliance, Incident Response, Security Controls, Computer Security Incident Management, Health Information Management, Data Security, Cyber Risk, Personally Identifiable Information, Regulatory Compliance, Risk Management, Threat Management, Data Management, Threat Modeling, Cybersecurity, ISO/IEC 27001, Compliance Management, Continuous Monitoring
Advanced · Course · 1 - 3 Months

Skills you'll gain: Routing Protocols, Network Security, Network Routing, TCP/IP, Open Shortest Path First (OSPF), Network Protocols, Network Switches, Virtual Local Area Network (VLAN), Network Monitoring, Virtual Private Networks (VPN), Firewall, Network Infrastructure, Network Troubleshooting, Border Gateway Protocol, Network Performance Management, Virtual Networking, Network Analysis, Authentications, Encryption
Intermediate · Course · 1 - 3 Months