ZURICH — Luxury jewelry brand Cartier, owned by Richemont, has disclosed a recent cyberattack that led to unauthorized access to its website and the theft of some customer information, according to an email sent to affected clients and reviewed by Reuters.

The prestigious brand, favored by celebrities like Taylor Swift, Angelina Jolie, and Michelle Obama, informed customers that a “limited” amount of data—including names, email addresses, and countries of residence—was compromised during the breach.

Cartier reassured clients that sensitive information such as passwords, credit card numbers, and banking details were not accessed. The company has since contained the intrusion and strengthened its cybersecurity measures.

Additionally, Cartier reported notifying relevant authorities and collaborating with top external cybersecurity experts to address the incident. The company did not immediately respond to further requests for comment.

This breach is the latest in a string of cyberattacks targeting high-profile companies. British retailer Marks & Spencer recently revealed a “highly sophisticated and targeted” attack that is expected to cost the company around £300 million ($405 million) in lost profits.

French luxury house Dior, part of LVMH, also confirmed a customer data theft last month, although no financial information was compromised.

Similarly, fashion brand The North Face notified some customers of a smaller-scale breach in April, where hackers employed “credential stuffing”—using stolen usernames and passwords from other data leaks to gain access to accounts.

London’s iconic department store Harrods also reported attempted cyber intrusions last month, highlighting a growing trend of cyber threats targeting major retail and luxury brands worldwide.