Neiman Marcus
MEDIUM RISKData breach — April 2024
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.
search Check if you were affected — freeData exposed in this breach
What happened in the Neiman Marcus data breach?
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.
The exposed data included 8 types of personal information. Learn more about what a data breach means for you.
Quick answer — was Neiman Marcus hacked?
Yes. Neiman Marcus was breached in April 2024. The breach exposed 31,152,842 records including dates of birth, email addresses, ip addresses. This breach has been independently verified. If your email was involved, your data may still be at risk today. Check if you were affected.
Why was the Neiman Marcus breach so dangerous?
The Neiman Marcus breach exposed 31,152,842 records — that is 31.2M people whose personal data is now circulating on the dark web. The combination of dates of birth, email addresses, ip addresses makes this a medium-risk breach that should be addressed promptly.
Don't wait to find out — check if your email was exposed in this breach now.
What data was stolen in the Neiman Marcus breach?
Dates of birth — used to verify identity for account takeover and fraud
Email addresses — used for phishing attacks and credential stuffing against your other accounts
IP addresses — combined with other data, used for identity theft and physical fraud
Names — used to build profiles and target you with personalised scams
Partial credit card data — can be used for direct financial fraud and unauthorised transactions
Phone numbers — enables SIM swapping attacks and targeted SMS phishing scams
Physical addresses — combined with other data, used for identity theft and physical fraud
Purchases — may be combined with other breach data to build a profile for targeted attacks
Is the Neiman Marcus breach still dangerous in 2026?
Yes. Stolen data from the Neiman Marcus breach remains dangerous years after the incident. Research shows that over 65% of stolen credentials from older breaches have never been changed by the account holders. Attackers routinely compile data from multiple breaches to build complete profiles, and credentials from 2024 are still actively used in credential stuffing attacks today.
Personal information like email addresses, phone numbers, and dates of birth never expire. Even if you changed your Neiman Marcus password, the other exposed data can be combined with information from other breaches to target you. Learn more about how long stolen data stays dangerous.
Frequently asked about the Neiman Marcus breach
Approximately 31,152,842 user records were exposed in the Neiman Marcus breach in April 2024.
Yes. Leaked credentials are actively used in credential stuffing attacks years after a breach. If you reused your Neiman Marcus password elsewhere and haven't changed it, those accounts remain at risk today.
Enter your email in the free checker on EmailLeaked. We scan 12 billion+ breach records including the full Neiman Marcus dataset and tell you instantly whether your email was exposed and what data was taken.
Change your Neiman Marcus password immediately, change any other account where you used the same password, enable two-factor authentication on all important accounts, and monitor for phishing emails over the next 90 days.
Who was affected by the Neiman Marcus breach?
The Neiman Marcus data breach affected approximately 31,152,842 users who had accounts with the service. With 31.2M records exposed, this is one of the larger breaches tracked in our database of 970+ known breaches.
If you ever created an account with Neiman Marcus or used their services, your data may have been included in this breach. Check your email now to find out. You can also read our guide on what to do immediately after a data breach.
If your email was in the Neiman Marcus breach
Change your Neiman Marcus password immediately
Go to Neiman Marcus and change your password right now. Use a strong, unique password that you have never used anywhere else.
Change any account sharing that password
If you used the same password on other sites, change it on every one of them. Attackers test stolen credentials on hundreds of popular sites within hours.
Enable two-factor authentication
Turn on 2FA on Neiman Marcus and every important account. Even if your password is known, attackers cannot get in without the second factor.
Check your other accounts for this breach
Run a full email check to see every breach your email appears in — not just this one.
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