Autoclerk Database Spills 179GB of Customer, US Government Data

An open Elasticsearch database exposed hundreds of thousands of hotel booking reservations, compromising data from full names to room numbers.

Security researchers have detected a leak in an Elasticsearch database belonging to Autoclerk, a reservations management system recently acquired by Best Western Hotels and Resorts Group.

The 179GB database was linked to multiple online travel and hospitality platforms. This leak exposed personal data and travel arrangements of thousands of hotel guests and members of the US government, military, and Department of Homeland Security (DHS), vpnMentor reports. A team led by Noam Roten and Ran Locar call it a "massive breach" of government security.

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