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: Data Security, Information Systems Security, Information Assurance, Security Controls, Data Integrity, Personally Identifiable Information, Identity and Access Management, Network Security, IT Security Architecture, Authentications, Cybersecurity, Authorization (Computing), Infrastructure Security, Computer Security, Encryption, User Accounts, Security Awareness, Safety and Security
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Database Architecture and Administration, Cloud Computing Architecture, Oracle Databases, Data Migration, Microsoft SQL Servers, Google Cloud Platform, Cloud Computing, Database Management, Databases, Virtual Private Networks (VPN), Network Security, Enterprise Application Management, Virtual Machines
Intermediate · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Requirements Analysis, Security Requirements Analysis, Requirements Elicitation, Requirements Management, Goal Setting, Meeting Facilitation, Conflict Management, Risk Analysis, Diagram Design, Stakeholder Engagement, Negotiation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Network Architecture, Wireless Networks, Emerging Technologies, Communication Systems, Network Planning And Design, General Networking, Telecommunications, Network Infrastructure, Artificial Intelligence and Machine Learning (AI/ML), Real Time Data
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Network Troubleshooting, Hardware Troubleshooting, Cloud Computing, Cloud Infrastructure, Virtualization, Computer Hardware, Network Protocols, Virtual Machines, General Networking, Network Administration, Network Security, Cloud Storage, Desktop Support, Hardware Architecture, TCP/IP, Peripheral Devices, Wireless Networks, Mobile Security, USB, Networking Hardware
Intermediate · Specialization · 1 - 3 Months

University of Geneva
Skills you'll gain: Healthcare Ethics, Emergency Medical Services, Patient Safety, Health Care, Patient Advocacy, Health Systems, Legal Risk, Community Health, Hospital Experience, Safety and Security, Law, Regulation, and Compliance, Emergency Response, Health Policy, Risk Management
Beginner · Course · 1 - 3 Months

Skills you'll gain: Cloud Development, Serverless Computing, Google Cloud Platform, Cloud Applications, Cloud Services, Application Development, Containerization, Cloud Security, Application Deployment, Identity and Access Management, Integration Testing, Scalability
Beginner · Course · 1 - 3 Months

Fortinet, Inc.
Skills you'll gain: Network Administration, Network Infrastructure, Configuration Management, Network Security, System Implementation, Authentications, Scripting, Enterprise Security
Intermediate · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Distributed Denial-Of-Service (DDoS) Attacks, Cloud Management, Cloud Security, Artificial Intelligence and Machine Learning (AI/ML), Serverless Computing, Digital Transformation, Containerization, Application Programming Interface (API), Google Cloud Platform, Cloud Infrastructure, Data Governance, Hybrid Cloud Computing, Cloud Storage, Real Time Data, Cloud Services, Site Reliability Engineering, Looker (Software), Data Storage, Data Security, Cloud Computing
Beginner · Specialization · 3 - 6 Months

University at Buffalo
Skills you'll gain: Data Literacy, Data Ethics, Data-Driven Decision-Making, Analytics, Root Cause Analysis, Lean Methodologies, Six Sigma Methodology, Data Analysis, Operational Efficiency, Operational Excellence, Case Studies, Process Improvement, Quality Management Systems, Data Quality, Data Security, Product Quality (QA/QC), Internet Of Things
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Hardware Troubleshooting, Customer Service, Network Troubleshooting, Customer Relationship Building, Computer Security Incident Management, Incident Response, Professional Development, Continuous Improvement Process, Cybersecurity, Process Improvement, Performance Metric, Desktop Support, Operating Systems, Computer Hardware, Cyber Attacks, Customer experience improvement, Technical Support, Customer Complaint Resolution, Digital Transformation, Lifelong Learning
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Open Web Application Security Project (OWASP), Application Security, Secure Coding, Threat Management, DevSecOps, Threat Modeling, Encryption, Risk Management Framework, Cloud Security, Security Testing, Authentications, Cloud API, Vulnerability Management, CI/CD, Code Review, Authorization (Computing), Configuration Management
Intermediate · Course · 3 - 6 Months