RansomHouse Ransomware — Victims, Campaigns & Activity

Threat entity extracted from intelligence sources

Frequency
26
occurrences
First Seen
October 29, 2025
Last Seen
July 23, 2026

Related Threat Clusters

  • RansomHouse Cyberattack Disrupts Nichirei Operations and Supply Chain

    On July 13, 2026, the hacker group RansomHouse launched a cyberattack on Nichirei Corp., a major Japanese frozen food manufacturer, leading to significant system disruptions. The group claimed responsibility on the dark…

    13 articles · Updated July 22, 2026
  • Ransomware Attack Disrupts Major European Museums via Vivaticket Breach

    In early March 2026, Vivaticket, an online ticketing platform, suffered a ransomware attack attributed to the RansomHouse group, impacting approximately 3,500 museums and cultural sites across Europe. The breach, which…

    2 articles · Updated April 6, 2026
  • Askul Ransomware Attack Compromises 740,000 Customer Records

    In October 2025, Askul Corporation, a Japanese e-commerce company, experienced a ransomware attack by the RansomHouse group, resulting in the theft of approximately 740,000 customer records. The company has confirmed…

    3 articles · Updated December 16, 2025
  • Ransomware Fuels Surge in Global Cyberattacks

    As of February 12, 2026, organizations worldwide are experiencing an average of 2,090 cyber-attacks per week, largely driven by ransomware incidents. This increase highlights the ongoing challenges faced by businesses…

    1690 articles · Updated February 12, 2026
  • Data Breaches Impact Millions Across Diverse Companies

    Three companies have confirmed data breaches affecting millions of users, with each asserting that sensitive information such as passwords and payment details were not compromised. One of the affected entities, an adult…

    10 articles · Updated December 16, 2025
  • RansomHouse Ransomware Upgrades to Multi-Layered Encryption

    RansomHouse, a ransomware-as-a-service operation, has upgraded its encryption method from a single-phase to a multi-layered dual-key architecture. This change enhances the complexity of its extortion tactics, providing…

    2 articles · Updated December 22, 2025
  • RansomHouse RaaS Upgrades Double Extortion Tactics

    RansomHouse, operated by the Jolly Scorpius group, has enhanced its ransomware-as-a-service platform by integrating data theft with encryption, applying dual pressure on victims. Since December 2021, the group has…

    2 articles · Updated December 18, 2025
  • Askul Confirms Ransomware Attack Exposing 740,000 Customer Records

    Askul Corporation, a Japanese e-commerce company, confirmed that a ransomware attack in October 2025 resulted in the theft of approximately 740,000 customer records. The breach affected individual customers, corporate…

    5 articles · Updated December 15, 2025
  • RansomHub Claims Breach of Apple Supplier Luxshare, Exposing Sensitive Data

    Luxshare Precision Industry, a key supplier for Apple, has allegedly suffered a ransomware attack claimed by RansomHub. The breach reportedly includes sensitive engineering data and internal documents related to Apple's…

    14 articles · Updated January 21, 2026
  • Askul Resumes Shipping After Two-Month Cyberattack Disruption

    Askul Corp., a Japanese supplier, has resumed shipping operations after a two-month halt due to a cyberattack. Initially, shipments will be conducted from two logistics centers in Tokyo and Saitama Prefecture, with…

    2 articles · Updated December 17, 2025

Recent Intelligence Reports

  • Ransomware Attack Puts a Chill On Japanese Frozen — Darkreading · July 23, 2026
  • Hacker group Ransomhouse claims cyberattack that disrupted KFC and other businesses — Straitstimes · July 22, 2026
  • (Update) Hacker Group Claims to Be Behind Nichirei Cyberattack — Jen.Jiji · July 22, 2026
  • Hacker group Ransomhouse claims cyberattack on Japan food giant Nichirei — Mainichi.Jp · July 22, 2026
  • Hacker Group Claims to Be Behind Nichirei Cyberattack — Nippon · July 22, 2026
  • Hacker group claims responsibility for cyberattack on Japanese frozen food firm — Www3.Nhk.Or.Jp · July 22, 2026
  • Nichirei Hit by Cyberattack; "RansomHouse" Claims Responsibility on Dark Web, Demands Ransom — Finance.Biggo · July 22, 2026
  • Thousands of European tourist sites impacted by ticketing platform breach | brief — Scworld · April 6, 2026

CVSS v3.1 Breakdown