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: Virtual Networking, Load Balancing, Microsoft Azure, Network Monitoring, Network Troubleshooting, Network Planning And Design, Network Administration, Virtual Machines, Disaster Recovery, Event Monitoring, Network Performance Management, Security Controls, System Monitoring, Network Security, Remote Access Systems
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Responsible AI, AI literacy, AI Security, Generative AI, Regulatory Requirements, Data Ethics, Information Privacy, Law, Regulation, and Compliance, Regulatory Compliance, Regulation and Legal Compliance, Risk Analysis, Case Studies, Data Governance, Risk Mitigation, Risk Management, Mitigation
Intermediate · Course · 1 - 4 Weeks
Johns Hopkins University
Skills you'll gain: Advocacy, Injury Prevention, Public Health and Disease Prevention, Public Policies, Public Health, Public Safety and National Security, Lobbying, Health Promotion, Legal Proceedings, Public Affairs, Policy Analysis, Community Organizing, Community Health, Policy Development, Patient Safety, Court Systems, Crisis Intervention, Legal Hearings, Health Policy, Civil Procedures
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: New Product Development, Product Development, Product Design, Design Thinking, Persona Development, Innovation, Prototyping, Market Research, Design and Product, Ideation, Target Market, Target Audience, Customer Analysis, Product Requirements, Wireframing, Customer Insights, Requirements Analysis
Build toward a degree
Beginner · Course · 1 - 3 Months

Packt
Skills you'll gain: Security Strategy, DevSecOps, Budget Management, Leadership, Leadership Development, Performance Metric, Workforce Development, Key Performance Indicators (KPIs)
Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: ABAP RESTful Programming Model (RAP), SAP S/4HANA, Restful API, Core Data (Software), Secure Coding, HTML and CSS, UI Components, User Interface (UI) Design
Intermediate · Course · 1 - 4 Weeks

AI CERTs
Skills you'll gain: AI Personalization, Education Software and Technology, AI Enablement, Education and Training, Artificial Intelligence and Machine Learning (AI/ML), Generative AI, Prompt Engineering Tools, Generative AI Agents, AI Integrations, Adult Education, Educational Materials, Childhood Education and Development, Special Education, Automation, Learning Strategies
Intermediate · Course · 1 - 3 Months

Whizlabs
Skills you'll gain: Role-Based Access Control (RBAC), Azure Active Directory, Authentications, Identity and Access Management, User Provisioning, Microsoft Azure, Multi-Factor Authentication, Authorization (Computing), Single Sign-On (SSO), User Accounts, Security Controls, Proxy Servers
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Docker (Software), Web Applications, Containerization, Devops Tools, Virtual Networking, Microservices, YAML, Service Management, Memory Management, Command-Line Interface
Intermediate · Course · 1 - 3 Months

Skills you'll gain: WordPress, Development Environment, Content Management Systems, Content Management, Secure Coding, Data Management, Web Development, PHP (Scripting Language), Data Security, Application Security, Data Validation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: AI Integrations, User Story, Prompt Engineering, No-Code Development, User Feedback, Technical Communication, Application Deployment, Performance Tuning, Data Wrangling, Version Control, Business Process Automation, DevSecOps, Site Reliability Engineering, Integration Testing, Application Security, Application Programming Interface (API), Agile Methodology, LLM Application, Data Integration, Scalability
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: MySQL, Business Intelligence, Role-Based Access Control (RBAC), SQL, Relational Databases, Database Software, Data Presentation, Database Management Systems, Data Visualization Software, Database Management, Databases, Data Access, Authorization (Computing), Query Languages, Performance Tuning
Beginner · Course · 1 - 4 Weeks