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: Risk Management Framework, Compliance Auditing, Regulatory Compliance, Cyber Governance, Communication Strategies, Internal Auditing
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Penetration Testing, Open Web Application Security Project (OWASP), Web Applications, Vulnerability Scanning, Exploitation techniques, Vulnerability Assessments, Security Testing, Application Security, Test Tools, Web Servers, Content Management Systems, Application Programming Interface (API), Databases
Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Information Privacy, Data Governance, Law, Regulation, and Compliance, Personally Identifiable Information, General Data Protection Regulation (GDPR), Data Security, Data Management, Data Architecture, Data Strategy, Metadata Management, Data Processing, Security Controls
Mixed · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Network Architecture, Network Protocols, Wireless Networks, Network Performance Management, Network Planning And Design, Network Engineering, Software-Defined Networking, Network Infrastructure, Communication Systems, General Networking, Network Model, Telecommunications, Emerging Technologies
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Open Web Application Security Project (OWASP), Threat Modeling, Application Security, Software Development Life Cycle, DevSecOps, Threat Management, Security Testing, Secure Coding, Cloud Security, Encryption, Vulnerability Scanning, Software Development, Cryptography, CI/CD, Cloud Platforms, DevOps, Vulnerability Assessments, Vulnerability Management, Penetration Testing, Configuration Management
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Vulnerability Assessments, Distributed Denial-Of-Service (DDoS) Attacks, Vulnerability Scanning, Vulnerability Management, Cybersecurity, Malware Protection, Penetration Testing, Cyber Threat Intelligence, Exploitation techniques, Threat Management, Brute-force attacks, Network Security, Information Systems Security, Security Awareness, Human Factors (Security), Authentications, Network Protocols
Intermediate · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Identity and Access Management, Google App Engine, Cloud Infrastructure, Google Cloud Platform, Kubernetes, Infrastructure As A Service (IaaS), Cloud Development, Cloud Deployment, Cloud Applications, Cloud Computing, Cloud-Native Computing, Prompt Engineering, Cloud Computing Architecture, Load Balancing, Cloud Management, Application Deployment, Site Reliability Engineering, Cloud API, Cloud Platforms, Terraform
Intermediate · Specialization · 3 - 6 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Portfolio Risk, Wealth Management, Real Estate, Investments, Portfolio Management, Financial Planning, Property and Real Estate, Investment Management, General Finance, Insurance, Commercial Real Estate, Return On Investment, Private Equity, Business Valuation, Risk Management, Market Liquidity, Financial Statement Analysis, Risk Analysis, Financial Statements, Economics
Beginner · Specialization · 1 - 3 Months

Universidad de Palermo
Skills you'll gain: Responsible AI, Data Ethics, Business Intelligence, Organizational Leadership, Business Analytics, Generative AI, Culture Transformation, AI Security, Data-Driven Decision-Making, Data Management, Artificial Intelligence, Natural Language Processing, Strategic Decision-Making, Analytics, Business Transformation, Predictive Modeling, Innovation, Organizational Change, Data Science, IT Service Management
Beginner · Course · 1 - 4 Weeks

Amazon Web Services
Skills you'll gain: Root Cause Analysis, Customer Relationship Building, Customer Relationship Management, Relationship Management, Problem Management, Verbal Communication Skills, Cloud Management, Customer Support, Amazon Web Services, Technical Support and Services, Oral Expression, Customer and Client Support, Communication, Consultative Approaches, Technical Support, Cloud Security, Cloud Services, Automation, Collaboration, Incident Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Responsible AI, Microsoft Azure, Artificial Intelligence, Data Ethics, Image Analysis, Natural Language Processing, Computer Vision, AI literacy, AI Security, Applied Machine Learning, AI Workflows, Model Deployment, Machine Learning, Analytics
Beginner · Course · 1 - 4 Weeks
University of Glasgow
Skills you'll gain: Model Evaluation, Deep Learning, Descriptive Analytics, Data Ethics, Data Preprocessing, ICD Coding (ICD-9/ICD-10), Federated Learning, Autoencoders, Health Informatics, Clinical Data Management, Medical Records, Data Mining, Medical Coding, Electronic Medical Record System, Responsible AI, AI Security, Electronic Medical Record, Predictive Modeling, Machine Learning, Machine Learning Methods
Intermediate · Specialization · 3 - 6 Months