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.

Tinder
Skills you'll gain: Informed Consent, Assertiveness, Tactfulness, Empowerment, Ethical Standards And Conduct, Communication, Empathy, Interpersonal Communications, Non-Verbal Communication, Verbal Communication Skills, Safety and Security, Dealing With Ambiguity
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Role-Based Access Control (RBAC), Microsoft Azure, Azure Active Directory, Identity and Access Management, Solution Architecture, Data Governance, Data Management, Cloud Security, Cloud Computing Architecture, System Monitoring, Cloud Computing, Key Management
Intermediate · Course · 1 - 4 Weeks

The State University of New York
Skills you'll gain: Digital Assets, Blockchain, Market Liquidity, FinTech, Financial Market, Cryptography, Cryptographic Protocols, Financial Systems, Payment Systems, Distributed Computing, Governance, Key Management, Identity and Access Management, Financial Trading, Financial Regulation, Asset Management, Web Applications, Transaction Processing, Financial Services, System Programming
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: JUnit, Apache Maven, Spring Framework, Spring Boot, Model View Controller, Unit Testing, Microservices, Application Development, Redis, Restful API, YAML, Java, Java Programming, MongoDB, Application Deployment, Application Design, NoSQL, Ajax, Hibernate (Java), Software Testing
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Stakeholder Communications, Business Analysis, Stakeholder Management, Requirements Management, Stakeholder Engagement, Requirements Analysis, Business Requirements, Change Requests, Solution Delivery, Business Process, Process Analysis, Business Strategies, Project Management, Communication Planning, Stakeholder Analysis, Strategic Planning, Problem Solving, Enterprise Architecture, Root Cause Analysis, Verification And Validation
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Virtual Private Networks (VPN), Amazon Web Services, Cloud Computing Architecture, Cloud Infrastructure, Virtual Machines, Network Architecture, Amazon Elastic Compute Cloud
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Risk Analysis, Securities (Finance), Financial Analysis, Credit Risk, Financial Market, Investment Management, Investments, Market Liquidity, Risk Management, Equities, Market Dynamics, Portfolio Management, Finance, Wealth Management, Investment Banking, Return On Investment
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Expense Management, Small Business Accounting, Accounts Payable, Inventory Management System, Accounting and Finance Software, Payment Processing, Invoicing, Payroll Processing, Vendor Management, Accounting, Cloud Security, Data Security, Order Processing, Purchasing
Beginner · Guided Project · Less Than 2 Hours

DeepLearning.AI
Skills you'll gain: Amazon Bedrock, Serverless Computing, Responsible AI, Generative AI Agents, LLM Application, Prompt Engineering, Workflow Management, Cloud Computing Architecture, Customer Relationship Management (CRM) Software, Security Controls
Beginner · Project · Less Than 2 Hours

University of Michigan
Skills you'll gain: Community Organizing, Social Justice, Community and Social Work, Advocacy, Cultural Responsiveness, Journalism, Public Safety and National Security, Diversity Awareness, Public History, Public Policies
Beginner · Course · 1 - 3 Months

Amazon
Skills you'll gain: Git (Version Control System), Software Development Methodologies, Requirements Analysis, Version Control, Application Development, Software Development Life Cycle, Agile Software Development, Unified Modeling Language, Software Testing, JUnit, Agile Methodology, Spring Framework, Maintainability, Debugging, Java, Software Design Patterns, Technical Design, Unit Testing, User Interface (UI) Design
Beginner · Course · 1 - 3 Months

Skills you'll gain: Microsoft Azure, Role-Based Access Control (RBAC), Azure Synapse Analytics, Azure Active Directory, Real Time Data, Zero Trust Network Access, Serverless Computing, Identity and Access Management, Data Integration, Cloud Applications, Virtual Machines, Cloud Computing Architecture, Data Governance, Data Management, Cloud Security, Cloud Storage, Cloud Computing, Solution Architecture, Disaster Recovery, Data Migration
Intermediate · Specialization · 1 - 3 Months