Senior Windows Kernel & Security Engineer at Microsoft

Deep dives into Windows kernel internals, security, and how modern systems really work

I'm Akash Trehan, a Senior Windows Kernel & Security Engineer at Microsoft. I write about kernel internals, VBS, and systems security.

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What I write about

Kernel & Security

Windows kernel internals, the Secure Kernel, VBS/HVCI, and how modern OS security actually works under the hood.

CTF Write-ups

Reverse engineering and binary exploitation walkthroughs from CTFs — BackdoorCTF, OverTheWire, pwnable.kr and more.

Projects & Tools

Open-source contributions and side projects across systems, symbolic math, and developer tooling.

Recent posts

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$AI Security Explained, Part 1. A single LoRA adapter chip split down the middle by a jagged fracture, struck from above by the trigger word production: the same chip returns a safe parameterised query on one side and a SQL injection on the other.$

AI Security Explained #1 - Sleeper Agents in Your AI Model Supply Chain

Sep 24, 2026 · 2 min read

One trigger phrase flips a trusted AI model from safe code to SQL injection. How poisoned LoRA adapters hide backdoors, and how researchers find them in the weights.