> This is one of the reasons 99% of large buildings use RFID keycards for the va... | Hacker News

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		mschuster91 on Sept 27, 2021 \| parent \| context \| favorite \| on: 3D Printing – High Security Key > This is one of the reasons 99% of large buildings use RFID keycards for the vast majority of doors. Most of these can be cloned, skimmed or even emulated with a common smartphone these days.

randombits0 on Sept 27, 2021 [–]

HID Prox was broken completely back in 2005. You can read and clone any 125khz prox card from six feet or more away.

https://proxmark.com/

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