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Bono · 30.10.2025., 16:41

EY Data Leak - Massive 4TB SQL Server Backup Exposed Publicly on Microsoft Azure

A massive 4TB SQL Server backup file belonging to global accounting giant Ernst & Young (EY) was discovered publicly accessible on Microsoft Azure.

The file's naming convention screamed SQL Server backup (.BAK format), which typically contains full database dumps, including schemas, user data, and, crucially, embedded secrets such as API keys, credentials, and authentication tokens.

A simple HEAD request designed by researchers to retrieve metadata without downloading content revealed a massive size: 4 terabytes of data, which is equivalent to millions of documents or the contents of an entire library.

https://cybersecuritynews.com/ey-data-leak/

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30.10.2025., 16:41	#821
Bono Uptime 99.99% Moj komp Datum registracije: Nov 2001 Lokacija: Zagreb Postovi: 2,626	EY Data Leak - Massive 4TB SQL Server Backup Exposed Publicly on Microsoft Azure A massive 4TB SQL Server backup file belonging to global accounting giant Ernst & Young (EY) was discovered publicly accessible on Microsoft Azure. The file's naming convention screamed SQL Server backup (.BAK format), which typically contains full database dumps, including schemas, user data, and, crucially, embedded secrets such as API keys, credentials, and authentication tokens. A simple HEAD request designed by researchers to retrieve metadata without downloading content revealed a massive size: 4 terabytes of data, which is equivalent to millions of documents or the contents of an entire library. https://cybersecuritynews.com/ey-data-leak/ Sent from my SM-S931B using Tapatalk __________________ “Those who surrender freedom for security will not have, nor do they deserve, either one.”