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Neiman Marcus data breach: 31 million email addresses found exposed

ID: 03620974-b788-5e18-99e8-d975443efe0b

STIX ID: report--03620974-b788-5e18-99e8-d975443efe0b

Feed Name: Bleeping Computer

Threat Score
85/100

Date Published: 2024-07-08

Date Updated: 2026-04-20

Author: Sergiu Gatlan

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Neiman Marcus disclosed a May 2024 breach tied to an unauthorized access of a third-party Snowflake cloud database; researcher Troy Hunt found roughly 31,152,842 unique email addresses and multiple victims' PII in the stolen dataset. The incident is connected to a broader series of Snowflake account compromises attributed to UNC5537/Sp1d3r, with data samples posted for sale and multiple organizations impacted due to stolen credentials and lack of MFA on Snowflake accounts.

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