Neiman Marcus data breach: 31.2M accounts exposed
Severity: high · Patch status: no-fix-needed · Since 2024-07-09
In May 2024, the American luxury retailer Neiman Marcus suffered a data breach which was later posted to a popular hacking forum. The data included 31M unique email addresses, names, phone numbers, dates of birth, physical addresses and partial credit card data (note: this is insufficient to make purchases). The breach was traced back to a series of attacks against the Snowflake cloud service which impacted 165 organisations worldwide. Exposed data: dates of birth, email addresses, ip addresses, names, partial credit card data, phone numbers, physical addresses, purchases. The breach dates from Apr 14, 2024; Have I Been Pwned loaded it on Jul 9, 2024.
What to do
- If you had a Neiman Marcus account, change its password and the password of any other account that reused it.
- Turn on multi-factor authentication wherever it is offered.
- Check whether your addresses are in this breach at https://haveibeenpwned.com.
- Expect targeted phishing that quotes the leaked details; verify any unexpected contact out of band.
Sources
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