Neiman Marcus data breach impacts 4.6 million customers

American luxurious retailer Neiman Marcus Group (NMG) has simply disclosed a significant knowledge breach impacting roughly 4.6 million clients. The breach occurred someday in Might 2020 after “an unauthorized get together” obtained the non-public data of some Neiman Marcus clients from their on-line accounts. Neiman Marcus is working with legislation enforcement businesses and has chosen cybersecurity firm Mandiant to help with the investigation.

Bank card and present card numbers uncovered

Yesterday, Neiman Marcus disclosed that its 2020 knowledge breach impacted about 4.6 million clients with Neiman Marcus on-line accounts. The non-public data of those clients was probably compromised in the course of the incident. The bits of data embrace:

  • Names, addresses, contact data
  • usernames and passwords of Neiman Marcus on-line accounts
  • Cost card numbers and expiration dates (though no CVV numbers)
  • Neiman Marcus digital present card numbers (with out PINs)
  • Safety questions of Neiman Marcus on-line accounts

For the thousands and thousands of shoppers being notified concerning the incident, “roughly 3.1 million cost and digital present playing cards had been affected, greater than 85% of that are expired or invalid,” stated the corporate in an announcement launched Thursday. No lively Neiman Marcus-branded bank cards had been impacted. As of now, there’s additionally no indication that on-line buyer accounts at Bergdorf Goodman or Horchow had been impacted.

Though the info breach occurred over a yr in the past, NMG states it grew to become conscious of the incident this September.

Prospects prompted to reset passwords

It is not clear if the retail large had saved person account passwords in plaintext or in the event that they had been correctly hashed and salted—a cybersecurity apply that business consultants have advisable for the longest time.

Shortly after turning into conscious of the incident, Neiman Marcus started prompting clients to reset their passwords earlier than they may log in to their on-line accounts. “Our investigation is ongoing, and we’re working shortly to find out the character and scope of the matter. To guard our clients, we required a web based account password reset for affected clients who had not modified their password since Might 2020.” Customers must also change their passwords for accounts on different web sites the place they’d used the same or identical password because the one for his or her Neiman Marcus account.

Neiman Marcus has arrange a devoted webpage accessible from throughout the US (archived copy) that instructs clients to maintain a watch out for unauthorized transactions. Affected people may request a duplicate of their credit score report at no cost. Though it’s value noting, the free credit score report is offered by, a joint initiative by Experian, TransUnion, and Equifax, which US shoppers have free entry to. Presently, Neiman Marcus doesn’t seem like offering free credit score monitoring companies to impacted shoppers—a courtesy that has more and more turn out to be the norm for many organizations hit by breaches regarding shopper PII and cost data.

Previous to this incident, in 2014 Neiman Marcus had disclosed a malware incident that compromised over 1 million cost playing cards, of which 2,400 had been used fraudulently because of this.

“At Neiman Marcus Group, clients are our high precedence,” says Neiman Marcus CEO Geoffroy van Raemdonck. “We’re working exhausting to assist our clients and reply questions on their on-line accounts. We are going to proceed to take actions to boost our system safety and safeguard data.”

NMG has arrange a devoted assist heart at (866) 571-9725 that customers can ring seven days per week and point out “engagement quantity B019206.” Along with monitoring their cost card exercise, shoppers must also be careful for Neiman Marcus-themed phishing emails concentrating on them.

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