A ransomware tracker listed Hallmark Cards, Inc. in connection with an alleged incident dated November 6, 2026. The tracker described a dataset containing 221,978 customer chat sessions and 340,407 messages from April through October 2026, along with 30,368 storefront search requests and 8,047 unique visitor identifiers. Hallmark has not publicly confirmed the incident in the sources reviewed.
The tracker reported that customer conversations included 133 phone numbers and 401 order numbers typed by customers. It did not identify SSNs, clinical medical information, or financial account data, and did not state how many unique Hallmark customers were affected. No official breach notice or regulator filing was identified in the available sources. Further details, including any consumer notices, may emerge later.