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: Cyber Governance, Security Management, Incident Management, Cyber Security Strategy, Business Continuity, Disaster Recovery, IT Management, Information Systems Security, Cybersecurity, Governance, Cyber Risk, Cyber Security Policies, Security Controls, Asset Management, Security Requirements Analysis, Information Assurance, Security Strategy, Key Performance Indicators (KPIs), Leadership and Management, Leadership
Beginner · Specialization · 3 - 6 Months

Infosec
Skills you'll gain: Cybersecurity, TCP/IP, Network Protocols, Data Security, Litigation Support, Network Security, General Networking, Record Keeping, Data Storage, Data Integrity, Cryptography, File Management, File Systems, Encryption, Data Validation, Command-Line Interface, Technical Writing, Linux Commands, Unix Commands, Algorithms
Intermediate · Course · 1 - 3 Months

Alibaba Cloud Academy
Skills you'll gain: Relational Databases, Load Balancing, Cloud Computing, Database Management, Cloud Infrastructure, Cloud Computing Architecture, Cloud Security, Data Security, Servers, Cloud Storage, Data Storage Technologies, Scalability, Encryption
Beginner · Course · 1 - 3 Months

Knowledge Accelerators
Skills you'll gain: Cyber Security Policies, Mobile Security, Identity and Access Management, Remote Access Systems, Data Security, Multi-Factor Authentication, Artificial Intelligence
Beginner · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Data Storytelling, Power BI, Data Presentation, Dashboard, Data Visualization Software, Data Visualization, Interactive Data Visualization, Statistical Visualization, Data Analysis, Creative Design, Data Security, Real Time Data, Geospatial Mapping
Beginner · Course · 1 - 4 Weeks

University of Illinois Urbana-Champaign
Skills you'll gain: Internet Of Things, Network Infrastructure, Network Routers, General Networking, Embedded Software, Network Switches, Network Protocols, Network Architecture, Wireless Networks, Local Area Networks, Infrastructure Security, Wide Area Networks, Virtual Local Area Network (VLAN), Data Science, Telecommunications, Embedded Systems, Communication Systems, Distributed Computing, Python Programming, Machine Learning
Intermediate · Specialization · 3 - 6 Months

Multiple educators
Skills you'll gain: Apache Airflow, Data Modeling, Data Pipelines, Data Storage, Data Architecture, Requirements Analysis, Data Processing, Data Warehousing, Query Languages, Apache Hadoop, Extract, Transform, Load, Data Lakes, Amazon Web Services, File Systems, Apache Spark, Database Systems, Feature Engineering, Data Integration, AWS Kinesis, Data Management
Intermediate · Professional Certificate · 3 - 6 Months

MedCerts
Skills you'll gain: Information Management, Care Coordination, Health Care Administration, Data Ethics, Healthcare Ethics, Medical Coding, Data Storage, Interoperability
Beginner · Course · 1 - 3 Months

Skills you'll gain: Continuous Monitoring, Medical Privacy, Personally Identifiable Information, Risk Management, Health Information Management, Health Insurance Portability And Accountability Act (HIPAA) Compliance, Regulatory Compliance, Data Management, Information Privacy, Health Care Procedure and Regulation, Risk Mitigation, Healthcare Industry Knowledge, Security Management, Risk Analysis, Health Care, Patient Safety, Security Awareness, Data Security, Cybersecurity, Information Systems Security
Beginner · Specialization · 3 - 6 Months

DeepLearning.AI
Skills you'll gain: Prompt Engineering, Large Language Modeling, Database Design, LLM Application, Software Documentation, Software Design Patterns, Databases, Test Automation, Collaborative Software, Software Testing, Application Design, Technical Documentation, Generative AI, Database Management, Software Design, Code Review, Software Architecture, Software Engineering, Software Development, Machine Learning
Beginner · Professional Certificate · 1 - 3 Months

Skills you'll gain: User Requirements Documents, Technology Strategies, Technology Solutions, Requirements Analysis, Agile Product Development, Agile Methodology, Business Requirements, Decision Making, Cross-Functional Team Leadership, Request for Proposal, Vendor Management, Team Management, Proposal Development, Product Demonstration, Return On Investment, Leadership, Procurement
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Application Lifecycle Management, Azure DevOps, CI/CD, DevSecOps, Continuous Delivery, GitLab, Continuous Integration, DevOps, Data Validation, Data Quality, Test Automation, Workflow Management, Extract, Transform, Load, Test Case, Enterprise Architecture, Governance, Data Pipelines, Scalability, SQL
Advanced · Course · 1 - 4 Weeks