ShinyHunters dumps Mytheresa, Zara, Carnival, 7-Eleven data in fresh leak wave

ShinyHunters appeared to go on a ransomware tear Wednesday, dumping records tied to every victim listed on its leak site, including new addition Mytheresa and high-profile brands Zara, Carnival, and 7-Eleven.

The extortion group made good on its promise to publish reams of data it claims to have stolen from the four victims – roughly 38 million records in total, as well as “terabytes” of internal corporate data.

Pilfered data from two other well-known companies targeted by the group last week were also published along with a download link, including Pitney Bowes and The Canada Life Assurance Company.

Greeting card giant Hallmark was also stamped with a bright orange badge that reads “New,” although the group is alleged to have released the company’s 8 million records in mid-April.

In total, the data from 40 victims appearing on the ShinyHunters site has now been leaked, with the earliest victim listed on January 23rd, 2026.

Luxury brand Mytheresa joins the mix

The gang’s most recently listed victim – the high-end online retailer Mytheresa – was reportedly breached by the ransomware operators on April 12th, yet only showed up on the leak site on Wednesday.

The German-based luxury e-commerce boutique offers over 200 high-end designer brands on its digital platform, including Bottega Veneta, Dolce&Gabbana, Gucci, Moncler, Prada, and Saint Laurent.

ShinyHunters had originally given Mytheresa a final warning to reach out to negotiate its ransom demand by April 14th, threatening to “leak along with several annoying (digital) problems that’ll come your way.”

The compromised data was said to include “sensitive customer PII and transactional history,” the group said, urging Mytheresa to “Make the right decision,” warning that the group would leak the data unless they paid up.

Zara, Carnival, 7-Eleven now among leaked victims

Meanwhile, Zara, Carnival, and 7-Eleven had been handed their own April 21st leak deadline by the ransomware group.

Zara and 7-Eleven were both linked to larger known ShinyHunters campaigns, with Zara linked to the Anodot-Snowflake wave and 7-Eleven pulled into the group’s Salesforce-focused access campaign. Carnival appears to have been a separate, unrelated attack.

Interestingly, Medtronic, a medical technology manufacturer headquartered in Connecticut, which the gang claimed alongside the others on Friday, no longer appears on the ShinyHunters blog – possibly due to ongoing ransom negotiations or even having paid the extortion fee.

The group claimed to have compromised 9 million Medtronic records of personally identifiable information (PII) and internal corporate data.

Also notably absent from the leak site are fellow Salesforce victims Aman Resorts, a Swiss-owned ultra-luxury hospitality brand with 500k records listed, and the North American commercial real estate brokerage firm Marcus & Millichap, with 30M records.

Additionally missing from the blog – at least before any exfiltrated data was subsequently dropped on the site – were proof samples from any of the 40 victim coffers.

As for how long the victims' data will be listed on the site? ShinyHunters claims “indefinitely.”

“We will make sure every corner of the criminal undergroud world has your data and is abusing it,” the group boasts on its information page.

Active since 2020, ShinyHunters is a well-known cybercrime and extortion group, previously linked to multiple high-profile data theft campaigns, including the recent Okta vishing campaign targeting single sign-on (SSO) credentials.

Recent victims include such big names as Amtrak, Alert 360, Rockstar Games, Hims & Hers, European Commission, and Ameriprise Financial.

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