Linux – Kevin Wells

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- Identity & Access Management (IAM)Secure access with SSH keys, sudo, PAM, and cloud IAM roles.
- Automation & MonitoringStreamline operations with Ansible workflows, logging pipelines, and proactive monitoring.
- Backups & DRProtect data and maintain continuity with resilient backup and recovery strategies.
- Cloud SecurityDefend AWS and hybrid environments with strong identity, policy, and monitoring controls.
- AI SecurityPractical security engineering for LLMs and autonomous agents – risks, controls, architectures, and incident playbooks.
- System HardeningSecure Linux systems through patching, CIS benchmarks, and OS lockdown.
- Tools & CheatsheetsPractical quick-reference guides for Linux and cloud security administrators.
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Safer rm on Linux: a Practical Ring-Fence that Doesn’t Break Automation

September 29, 2025September 29, 2025 by Admin

Author: Kevin Wells – Tested on: Ubuntu 24.04 LTS (Debian/Ubuntu family) Applies to human interactive shells (user, sudo, root). Automation is intentionally left untouched. Contents Executive summary Design goals Quick start How it works Usage discipline Helper for scripts that “empty” a directory Operational testing checklist Troubleshooting Uninstall / rollback Change history Executive summary If … Read more

The Top 10 Most Common Cyber Threats (And How to Recognise Them)

September 2, 2025September 2, 2025 by Admin

In today’s digital world, cyber threats are more common – and more dangerous – than ever. Whether you’re a small business owner, IT professional, or simply someone who uses the internet every day, understanding the most common cyber threats is the first step toward protecting yourself and your data. Cybercriminals don’t just target corporations. They … Read more