---
id: 3950
title: "Badge of Shame - Breaking Into Secure Facilities with OSDP"
source_domain: bishopfox.com
source_url: "https://bishopfox.com/blog/breaking-into-secure-facilities-with-osdp"
published_at: "2023-08-09T00:00:00Z"
tags: ["vulnerability-research", "access-control", "rfid", "physical-security", "osdp", "badge-readers"]
phying_url: "https://phying.com/item/3950"
lang: en
---

# Badge of Shame - Breaking Into Secure Facilities with OSDP

## Summary

Bishop Fox lays out five exploitable vulnerabilities in the OSDP badge reader protocol—starting with the fact that encryption is optional—and what defenders can do to secure facility access control.

## Intelligence Metadata

- **Sources:** bishopfox.com
- **Published:** 2023-08-09T00:00:00Z
- **Original:** https://bishopfox.com/blog/breaking-into-secure-facilities-with-osdp
- **Phying News:** https://phying.com/item/3950