{
  "added_at": "2026-11-09",
  "additional_evidence_urls": [
    "https://github.com/seemoo-lab/openhaystack/blob/ea05dadb9e6e71075ef08afb5c2087302fbb7210/LICENSE",
    "https://github.com/seemoo-lab/openhaystack/blob/ea05dadb9e6e71075ef08afb5c2087302fbb7210/Resources/OpenHaystack-Screenshot.png"
  ],
  "category": "reconstruction-cases",
  "class": "apps",
  "description_en": "OpenHaystack uses a reconstructed Apple Find My protocol to build personal Bluetooth tracking tags and a Mac app that queries their location reports.",
  "description_zh": "OpenHaystack 利用逆向还原的 Apple“查找”网络协议制作个人蓝牙追踪标签，并通过 Mac 应用查询其位置报告。",
  "entry_url": "https://awesomerea.org/resources/openhaystack-find-my-case/",
  "entry_url_zh": "https://awesomerea.org/zh/resources/openhaystack-find-my-case/",
  "evidence_url": "https://github.com/seemoo-lab/openhaystack/blob/ea05dadb9e6e71075ef08afb5c2087302fbb7210/README.md",
  "group": "cases",
  "id": "openhaystack-find-my-case",
  "json_url": "https://awesomerea.org/resources/openhaystack-find-my-case/record.json",
  "kind": "case-study",
  "markdown_url": "https://awesomerea.org/resources/openhaystack-find-my-case/index.md",
  "markdown_url_zh": "https://awesomerea.org/zh/resources/openhaystack-find-my-case/index.md",
  "name": "OpenHaystack: tracking tags that use Apple Find My",
  "name_zh": "OpenHaystack：使用 Apple“查找”网络的追踪标签",
  "record_type": "resource",
  "relationship": "independent-reconstruction",
  "requirements": [
    "Requires macOS 11 or later, a Bluetooth device such as a BBC micro:bit, and the OpenHaystack Mail plugin to download location reports. Installation temporarily disables Gatekeeper while enabling the plugin.",
    "The accessory firmware broadcasts a fixed public key, allowing nearby devices to track the tag. The project is experimental and incomplete.",
    "License: AGPL-3.0."
  ],
  "requirements_zh": [
    "需要 macOS 11 或更高版本、BBC micro:bit 等蓝牙设备，以及用于下载位置报告的 OpenHaystack Mail 插件。安装时需临时关闭 Gatekeeper 以启用插件。",
    "配件固件广播固定公钥，附近设备因此能够追踪标签。项目仍处于实验阶段，功能尚不完整。",
    "许可证：AGPL-3.0。"
  ],
  "targets": [
    "app",
    "protocol"
  ],
  "url": "https://github.com/seemoo-lab/openhaystack",
  "verification": "source-reviewed",
  "verified_at": "2026-10-22"
}
