[QILIN] – Ransomware Victim: Tass Meister Patent Firm

AI Generated Summary of the Ransomware Leak Page

On November 6, 2025, Tass Meister Patent Firm, a Japan-based company operating in the Business Services sector, appears on a ransomware leak page as a listed victim. The available metadata identifies the victim by name and country, with the post date recorded as 2025-11-06 16:40:07.291589. The data does not specify whether the incident involved encryption or a data leak, as the impact field is left blank, and there is no stated ransom amount in the provided record. The leak page includes a claim URL that would allow verification of the attackers’ assertion, but the exact narrative content describing the incident is not captured in this dataset. If a compromise date exists, it is not provided here; the post date is used as the publication date for this entry.

The metadata indicates there are no images or screenshots associated with the post (images_count = 0), and no downloads, files, or body excerpt are present in the record. Consequently, the precise nature of the attack, the scope of any data exfiltration, and any ransom demand remain unconfirmed within this summary. The focus remains on Tass Meister Patent Firm as the victim; no other company names from the leak page are emphasized here. A claim URL is indicated as present, though the actual link is not included in this summary to avoid exposing it directly (defanged if disclosed). The entry stands as a publish date of November 6, 2025, with limited publicly visible detail beyond the victim’s name and timestamp.