Aitchdien

Thoughts on software, security, and building things that last.

I'm Hayden Robinson — a software engineer, security enthusiast, and founder of Aitchdien . This is where I share what I'm learning and building.

Featured

• Why Core Audio Taps Silently Failed (And What Actually Works)

  Published: 17 Mar, 2026 |  at  06:00 PM

  I spent hours debugging why Core Audio process taps would start without error but never deliver audio. Here's what was actually happening and why ScreenCaptureKit ended up being the right tool.

• The Age of Personal AI Has Arrived

  Published: 12 Feb, 2026 |  at  09:00 AM

  AI has reached a point where anyone can have a personal assistant that manages their life. The future isn't coming — it's here.

• Introduction

  Published: 26 Apr, 2025 |  at  12:25 PM

  Software Solutions Lead with a passion for cybersecurity and founder of Aitchdien

Recent Posts

• When to Build vs Buy vs Open Source

  Published: 8 Feb, 2026 |  at  10:06 AM

  A practical framework for deciding whether to build custom software, buy a commercial solution, or adopt open source — and when each makes sense.

• Books That Changed How I Write Code

  Published: 25 Jan, 2026 |  at  05:00 AM

  The programming books that had the biggest impact on how I think about and write software.

• Starting a Software and Cybersecurity Company After 20 Years as an Engineer

  Published: 2 Jan, 2026 |  at  04:00 AM

  After two decades building software for other companies, I'm starting my own. Here's why cybersecurity became the focus.