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.

EC-Council
Skills you'll gain: Network Security, Cybersecurity, Information Assurance, Cloud Security, Security Controls, Mobile Security, Data Security, Cryptography, Public Key Infrastructure, Cyber Security Policies, Authorization (Computing), Intrusion Detection and Prevention, Network Monitoring, Continuous Monitoring, Wireless Networks, Identity and Access Management, Encryption, Threat Detection, Internet Of Things
Beginner · Course · 1 - 3 Months

Skills you'll gain: Amazon Bedrock, Software Documentation, Generative AI, Test Automation, Mockups, User Interface (UI), Software Development Tools, User Interface and User Experience (UI/UX) Design, Usability, Software Testing, Vulnerability Scanning, Application Security, Maintainability, Prompt Engineering, Test Case, Software Architecture, Code Review, Secure Coding, Artificial Intelligence, Debugging
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Cloud Security, Cyber Security Policies, Security Management, Data Management, Records Management, Cloud Computing Architecture, General Data Protection Regulation (GDPR), Cloud Computing, Data Governance, Personally Identifiable Information, Information Privacy, Threat Detection, Microsoft Azure, Security Controls, Threat Management
Beginner · Course · 1 - 4 Weeks

Alfaisal University | KLD
Skills you'll gain: Event Management, Event Planning, Event Marketing, Advertising, Safety and Security, Marketing Communications, Advertising Campaigns, Promotional Strategies, Budget Management, Expense Management, Program Evaluation, Human Resources Management and Planning, Return On Investment
Beginner · Course · 1 - 3 Months

Skills you'll gain: Cybersecurity, Cyber Security Assessment, Incident Response, Firewall, Exploitation techniques, Distributed Denial-Of-Service (DDoS) Attacks, Vulnerability Assessments, Malware Protection, Virtualization and Virtual Machines, Authentications, Linux Commands
Beginner · Course · 1 - 3 Months

Skills you'll gain: Threat Modeling, Cloud Security, Internet Of Things, Infrastructure Security, Vulnerability Management, Information Systems Security, Incident Response, Identity and Access Management, Security Engineering, Threat Management, Penetration Testing, Network Security, Security Controls, Cloud Computing, Cloud Computing Architecture, Threat Detection, Authentications, Authorization (Computing)
Intermediate · Course · 1 - 4 Weeks

Columbia University
Skills you'll gain: Portfolio Management, Investment Management, Asset Management, Market Liquidity, Risk Management, Financial Market, Financial Modeling, Financial Trading, Equities, Statistical Methods, Risk Analysis, Securities Trading, Market Dynamics, Financial Analysis, Statistical Analysis
Intermediate · Course · 1 - 3 Months

Universitat Autònoma de Barcelona
Skills you'll gain: General Data Protection Regulation (GDPR), Information Privacy, Personally Identifiable Information, Data Security, Data Ethics, Data Governance, Data Sharing, Regulation and Legal Compliance, Informed Consent
Beginner · Course · 1 - 3 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Financial Policy, Financial Systems, Banking, Financial Market, Financial Regulation, Market Liquidity, Economics, Economics, Policy, and Social Studies, Market Dynamics, Crisis Management
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Security Information and Event Management (SIEM), Cybersecurity, Cyber Threat Intelligence, Cloud Security, Computer Security Incident Management, Google Cloud Platform, Network Security, System Monitoring, Cloud Computing
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Encryption, Public Key Infrastructure, Cryptography, Data Security, Cryptographic Protocols, Advanced Encryption Standard (AES), Cybersecurity, Data Encryption Standard, Network Security, Blockchain, Authentications, Data Integrity, Algorithms
Intermediate · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Billing, Billing & Invoicing, Cloud Computing, Identity and Access Management, Cost Management, Budget Management, General Networking, Virtual Machines, Infrastructure As A Service (IaaS), Cloud Storage, Scalability, Amazon CloudWatch, Cost Estimation, Software As A Service, Databases, Platform As A Service (PaaS), Database Management, Continuous Monitoring, Cost Reduction, Network Administration
Beginner · Specialization · 1 - 3 Months