Neiman Marcus 2024 Data Breach
Company · Luxury retail and fashion goods · Department store and e-commerce retailer · USA
Neiman Marcus Luxury Retailer Breach (2024): 31 Million Customer Records Including Partial Credit Card Data, DOB & Purchase History Exposed
Luxury department store retailer.
Confirmed · ObscureIQ Intelligence
Breach Risk Index i
34/100
Lower riskHigher risk
Moderate: notable exposure with meaningful misuse potential.
Data Sensitivity i
ElevatedExposed data raises the risk of fraud, targeting, and impersonation. Proactive steps are warranted.
31.2MRecords
2024Year
The Breach Risk Index (BRI) is a proprietary 0–100 score rating how dangerous a breach is right now, based on how recently the data has been circulating on the dark web and how valuable it is to attackers.
Crucial data exposed
FinancialCredit Card
AddressPhysical address
Breach Summary
Neiman Marcus suffered a data breach affecting 31.2 million customers after attackers gained unauthorized access to the company's Snowflake cloud storage account between April 14 and May 24, 2024. The breach was part of a wider campaign targeting Snowflake, a cloud data platform, that compromised 165 organizations worldwide. Stolen data was later posted to a public hacking forum. Lawsuits filed against Neiman Marcus allege the company had not enabled multi-factor authentication on its Snowflake account, leaving it protected by a single password. The exposed data includes names, email addresses, phone numbers, dates of birth, physical addresses, IP addresses, purchase history, and partial credit card numbers. While the partial card data alone is not sufficient to make purchases, the combination of records creates a detailed profile of each affected customer. Because Neiman Marcus serves an affluent clientele, this profile is particularly attractive to fraudsters. Affected individuals face elevated risk of targeted phishing emails, impersonation scams, and fraud schemes designed to exploit both their personal details and their association with a luxury brand. Neiman Marcus began notifying affected customers around June 24, 2024. Class-action lawsuits were consolidated into multidistrict proceedings in the District of Montana as part of the broader Snowflake breach litigation. In May 2025, Neiman Marcus sought court approval of a $3.5 million settlement covering all U.S. residents whose data was potentially compromised, offering up to $2,500 in reimbursement for documented losses and two years of free credit monitoring. Affected individuals should remain alert to unsolicited contact referencing their purchases or personal details, and consider monitoring their financial accounts and credit reports closely.
Full threat analysis, exploitation vectors, and principal guidance below.
10 additional sections · verified field analysis · defensive doctrine
Querying breach corpus…
Cross-referencing exposed field types…
Resolving threat-actor attribution…
Compiling principal risk advisory…
31.2M records analyzed
About Neiman Marcus
Neiman Marcus is a luxury department store retailer operating physical locations and an e-commerce platform across the United States. The company sells high-end apparel, accessories, beauty products, and home goods under its own brand and affiliated luxury properties including Bergdorf Goodman. Neiman Marcus Group LLC operates as a private company following a 2013 leveraged buyout and a 2020 bankruptcy restructuring.
Why They Hold Your Data
Luxury retail platforms collect customer identity, contact details, addresses, order history, loyalty records, and payment-adjacent data across premium commerce operations.
Recent Developments
Neiman Marcus has been navigating a challenging luxury retail environment following its 2020 Chapter 11 bankruptcy and subsequent restructuring. The company emerged from bankruptcy under private ownership and has focused on its core luxury customer base and digital channels. No major organizational or leadership events beyond the breach and its settlement have been prominently documented in the most recent 12-18 month period.
Data Points Exposed
8 verified field types
Credit Card Critical
Date of Birth High
Email Address
Full Name
IP Address
Phone Number
Physical address High
Transaction History
Breach Impact
The breach stemmed from unauthorized access to Neiman Marcus's Snowflake cloud storage account, active between April 14 and May 24, 2024. Neiman Marcus notified victims beginning around June 24, 2024. Class-action litigation was consolidated into multidistrict proceedings in the District of Montana as part of the broader Snowflake breach litigation. In May 2025 Neiman Marcus sought court approval of a $3.5 million settlement covering all U.S. residents whose data was potentially compromised. Class members were offered up to $2,500 in documented losses and two years of free credit monitoring. Lawsuits alleged the company had declined to enable multi-factor authentication on its Snowflake account, relying instead on single-factor authentication.
Exploitation & Downstream Threats
• Financial fraud using exposed financial profile data | • Identity verification bypass using name + date of birth combination | • SIM swap attacks where phone numbers are present | • Targeted phishing campaigns using exposed email addresses | • Doxxing risk from physical address exposure
Principal Risk Advisory
What this means for a principal
A consumer-service breach: contact and account data supports phishing, account takeover and profile enrichment. For a high-profile principal this is targeting-grade, not merely identity-theft-grade: the combination lets an adversary locate, impersonate, or pressure the principal with little additional work.
What You Should Do
- Treat the home address as exposed: review mail and package handling and physical-security routines, and brief household staff to verify unusual requests.
- Guard against SIM-swap and vishing: add a carrier port-out PIN and verify any 'support' calls independently.
- Do not use unofficial 'am I affected' lookups; several are themselves harvesting operations.
How ObscureIQ Can Help
- Corpus confirmation: determine whether and where the principal (plus household and staff) appear in this dataset and which specific fields are exposed for them.
- Exposure mapping and footprint neutralization: cross-reference against broker-available data and suppress still-removable elements, prioritizing address and phone, since this record re-seeds broker networks.
- ThreatWatch tuned to this incident's identifiers and misuse pattern (impersonation and targeting patterns, not generic credential monitoring).
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