# How the Xbox 360 knows if your hard-drive is genuine

DevFeed: [How the Xbox 360 knows if your hard-drive is genuine](<https://devfeed.tech/articles/how-the-xbox-360-knows-if-your-hard-drive-is-genuine-32600.md>)

Original publisher: [Read original article](<https://eaton-works.com/2023/01/24/how-the-xbox-360-knows-if-your-hard-drive-is-genuine/>)

Author: Eaton

Published: 2023-01-24T18:27:21Z

Content type: article

Language: en

Sources: [Eaton Works Feed](<https://devfeed.tech/sources/eaton-works-feed.md>)

Topics: [Xbox](<https://devfeed.tech/topics/xbox.md>), [Reverse Engineering](<https://devfeed.tech/topics/reverse-engineering.md>), [Kernel](<https://devfeed.tech/topics/kernel.md>)

Tags: [kernel](<https://devfeed.tech/tags/kernel.md>), [microsoft](<https://devfeed.tech/tags/microsoft.md>), [reverse-engineering](<https://devfeed.tech/tags/reverse-engineering.md>), [xbox](<https://devfeed.tech/tags/xbox.md>)

## AI overview

This article reverse-engineers the Xbox 360 kernel-mode authenticity check for hard drives. It explains how the console reads a security sector from sector 16 and compares stored values with the drive's reported serial number, firmware revision, and model number.

## Source excerpt

Reverse engineering the kernel-mode authenticity check, and how Microsoft knows about your hacked/custom hard-drive.