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.

LearnKartS
Skills you'll gain: AWS Kinesis, AWS SageMaker, Amazon CloudWatch, Serverless Computing, Containerization, Amazon Web Services, Data Migration, Amazon DynamoDB, Amazon S3, AWS CloudFormation, Amazon Redshift, Infrastructure as Code (IaC), CI/CD, SQL, Extract, Transform, Load, Cloud Engineering, Real Time Data, Cloud Security, AWS Identity and Access Management (IAM), Data Processing
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Security Management, Data-Driven Decision-Making
Intermediate · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Network Troubleshooting, Microsoft Azure, Virtual Machines, Load Balancing, Cloud Infrastructure, Network Administration, Network Architecture, System Configuration, Cloud Security, Cloud Storage, Data Security, Scalability
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Service Level Agreement, Data Governance, Incident Management, Problem Management, Database Management Systems, Asset Management, Disaster Recovery, Business Continuity Planning, Business Continuity, Information Technology Operations, IT Service Management, Information Systems, IT Infrastructure, Data Security, Auditing, Patch Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Blockchain, Cryptography, Cybersecurity, Enterprise Application Management, Cyber Attacks, Emerging Technologies, Financial Trading, Digital Assets, Cyber Security Assessment, FinTech, Payment Systems, Security Testing, Transaction Processing
Beginner · Course · 1 - 3 Months

Skills you'll gain: Computer Hardware, Virtualization, Cloud Computing, General Networking, Virtual Machines, Hardware Troubleshooting, Networking Hardware, Network Troubleshooting, Network Protocols, TCP/IP, Mobile Security, Dynamic Host Configuration Protocol (DHCP), Wireless Networks, Peripheral Devices, System Configuration, Data Storage Technologies
Beginner · Course · 1 - 3 Months

Amazon Web Services
Skills you'll gain: Amazon Web Services, Vulnerability Assessments, Security Testing, Cyber Security Assessment
Mixed · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Spring Boot, Database Design, Object-Relational Mapping, Application Frameworks, Data Modeling, Database Development, Java Platform Enterprise Edition (J2EE), Application Development, Database Architecture and Administration, Requirements Analysis
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Software Configuration Management, Continuous Monitoring, Configuration Management
Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Software Design Documents, User Requirements Documents, Functional Requirement, Software Documentation, Unified Modeling Language, Requirements Analysis, System Requirements, Technical Documentation, Technical Writing, Data Modeling, Dataflow
Beginner · Course · 1 - 3 Months

Skills you'll gain: Amazon Web Services, Cloud Platforms, System Monitoring, Application Performance Management, Scalability, Cloud Computing, Security Controls, Data Maintenance
Advanced · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Threat Management, Threat Detection, Software-Defined Networking, Network Performance Management, Network Architecture, Network Planning And Design, Network Security, Cloud-Based Integration, Network Administration, Network Routing, Wide Area Networks, Network Monitoring, Disaster Recovery, Performance Tuning, Cloud Computing Architecture, General Networking, Virtual Local Area Network (VLAN), Infrastructure Security, Computer Networking, Local Area Networks
Beginner · Specialization · 1 - 3 Months