Disclosure context

About shinyhunters

Based on the limited publicly available information, shinyhunters appears to be a recently emerged ransomware group first observed in October 2025, primarily motivated by financial gain through extortion activities targeting organizations across multiple sectors. The group's origin and potential affiliations remain unclear due to their recent emergence, and there is insufficient public documentation to determine whether they operate as a Ransomware-as-a-Service model or as an independent entity. Their attack methodology and specific technical capabilities have not been extensively documented by major threat intelligence firms, though their targeting pattern suggests a broad opportunistic approach rather than sector-specific specialization. The group has reportedly victimized approximately 77 organizations, with primary targeting focused on the United States, France, Japan, Germany, and Australia, showing particular interest in consumer services, technology, financial services, transportation and logistics, and education sectors. Given the group's very recent emergence in late 2025, there are no widely reported major campaigns or high-profile incidents documented by established security research organizations, and no known law enforcement actions have been publicly reported against this group. The current operational status of shinyhunters remains active based on available reporting, though comprehensive threat intelligence profiles from major security firms like Mandiant, CrowdStrike, or government agencies have not yet been published due to the group's recent appearance in the threat landscape. The group has been linked to 108 public disclosures across our corpus. First observed on a leak site on October 3, 2025; most recent post May 12, 2026. The operation is currently active.

Timeline of this disclosure

March 31, 2026Hallmark Cards, Inc. & Hallmark Plus listed by shinyhunterson the group's public leak site

Sector and geography

This disclosure adds to ransomware activity in the Consumer Services sector, which has 396 disclosures indexed across all operators we track. Geographically, Hallmark Cards, Inc. & Hallmark Plus is reported in United States, a country with 7,392 ransomware disclosures in our corpus.

How we know this. Darkfield monitors public ransomware leak sites continuously, archiving every new disclosure and the data later released against the victim. Each entry on this page is sourced from the operator's own publication and cross-checked against complementary OSINT feeds (RansomLook, ransomware.live, RansomWatch). We do not collect or host stolen data — only the metadata, timestamps and screenshots needed to make the public disclosure searchable and accountable. Records here are corrected when the original post is edited, retracted, or merged with another disclosure.

Ransomware victim disclosure

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Hallmark Cards, Inc. & Hallmark Plus

Claimed by shinyhunters · listed 2 months ago

51d

Age

since listed · data leaked

Status timeline

Listed
Mar 31, 2026
Data leaked

At a glance

Group: shinyhunters
Status: Data leaked
Country: United States
Sector: Consumer Services
Listed on leak site: Mar 31, 2026

About the victim

AI dossier — public-source company profile

Hallmark Cards, Inc. is a privately held American company headquartered in Kansas City, Missouri, best known for producing greeting cards, gifts, and related consumer products sold through retail channels worldwide. The company also operates Hallmark Plus, a subscription or loyalty service tier. Hallmark is one of the largest greeting card manufacturers in the world, with a broad retail and digital presence.

Industry: Greeting Cards & Consumer Gifts
Address: 2501 McGee Trafficway, Kansas City, Missouri 64108, United States
Employees: 10000+
Founded: 1910

Attack summary

Severity: critical — Claimed exfiltration of 7.9 million Salesforce records containing PII at scale meets the critical threshold; Salesforce CRM data typically includes customer names, contact details, purchase history, and potentially financial information across a very large customer base.

ShinyHunters claims to have exfiltrated over 7.9 million Salesforce records containing personally identifiable information and internal corporate data, issuing a final deadline of 2 April 2026 for the company to respond before the data is published.

critical

Data the group says was taken

AI dossier — extracted from the leak post

Salesforce CRM records
Personally identifiable information (PII)
Internal corporate data

What the group claims

Over 7.9M Salesforce records containing PII and other internal corporate data have been compromised. This is a final warning to reach out by 2 Apr 2026 before we leak along with several annoying (digital) problems that'll come your way. Make the right decision, don't be the next headline. | Updated: 31 Mar 2026 | Warning: FINAL WARNING

Source

Indexed 2 months ago

This page surfaces a public ransomware disclosure indexed by Darkfield. Original posts come from the operator's own leak site; we cross-check against ransomware.live, RansomLook and RansomWatch where applicable. Share this URL freely.