Hallmark Cards · Breach

Ransomware group n0n claims Hallmark Cards attack on leak site

Nov 06, 2026 · 1 min read

Ransomware group n0n listed Hallmark Cards, a major U.S. greeting card manufacturer, on its leak site, according to a daily digest crediting the group with eight victims the same day. No details on the alleged data and the company has not commented. Watch the group's site for data publication and Hallmark's official channels.

By HIFY Radar newsroom Updated 11/06/2026 07:37 PM Get this every day →← Back to the feed 1 source

LowBreachNo software to update

In this article

What happened
Why it matters
What to do
For the technical team
Timeline
Sources

What happened

Ransomware group n0n added Hallmark Cards to its leak site, according to a specialized digest crediting the group with eight victims the same day. The listing is the group's claim. Hallmark has not commented and there are no details on the alleged data.

Why it matters

If confirmed, the case could expose corporate data of the greeting card maker and disrupt its operations. Hallmark suppliers, partners and customers could be affected if data is published. For now, there is only a claim, with no proof released.

What to do

Wait for Hallmark's statement and monitor the group's site for data publication. Teams with ties to the company should review shared contacts and data. No fix applies at this stage.

For the technical team

Affected: Hallmark Cards; listagem no site de vazamentos do grupo de ransomware n0n · Hallmark Cards, a major U.S. greeting card manufacturer (claimed victim). The same source names Italian biopharmaceutical firm Dompé Farmaceutici among the victims listed by n0n that day.
Exploitation: Listing on ransomware group n0n's leak site, reported by the @Ransom_DB daily digest. The digest credits n0n with eight victims the same day. No victim confirmation and no details on the alleged data.
Fix: No software to update
More details: The @Ransom_DB digest counts 29 victims across all groups that day. The United States leads with 20 attacks, followed by Italy (2) and Vietnam (1). Hardest-hit industries: legal services, insurance and human services. Other groups that day: INC Ransom, LeakedData and Settra (3 victims each), Akira, Genesis and Qilin (2 each), Brain Cipher, DireWolf and Eclipse (1 each). LeakedData listed prominent law firms including Wachtell, Lipton, Rosen & Katz.