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Ransomware Victim Technology

Maxell Asia

Ransomware attack by Ransomhouse ยท Disclosed August 19, 2025 ยท ๐Ÿ‡ฏ๐Ÿ‡ต Japan

www.maxell.com.hk

Date Disclosed
Aug 19, 2025
2025
Threat Group
Ransomhouse
140 total victims
Country
๐Ÿ‡ฏ๐Ÿ‡ต Japan
Industry
Technology

Incident Analysis

Maxell Asia was targeted by Ransomhouse ransomware, one of the most active ransomware groups in our database with 140 confirmed victims globally. The attack was disclosed on August 19, 2025, when Maxell Asia appeared on the group's dark web leak site.

Maxell Asia is based in Japan , operating in the Technology sector. Japan ranks #11 globally for ransomware attacks, with 251 victims in our database.

Sector context: Technology companies hold intellectual property, customer data, and source code โ€” all highly valuable assets. A successful ransomware attack can also put downstream customers at risk through supply chain exposure.

Ransomhouse typically employs a double extortion model: first exfiltrating sensitive data from the victim's systems, then deploying ransomware to encrypt files. Victims face two simultaneous threats โ€” paying to restore access and paying to prevent publication of stolen data. The group's leak site publishes victim names and exfiltrated data as leverage.

Data source: This incident record is sourced from public ransomware group leak site disclosures aggregated via the ransomware.live API. Disclosure date reflects when the victim was published on the leak site, which may differ from the initial date of compromise. This platform does not publish or link to stolen data. Last data update: Aug 2, 2026 08:00 UTC.

Frequently Asked Questions

Was Maxell Asia attacked by ransomware?

Yes. Maxell Asia was listed as a victim of the Ransomhouse ransomware group on August 19, 2025. The organisation is based in Japan and operates in the Technology sector. The disclosure appeared on the group's dark web leak site.

Which ransomware group attacked Maxell Asia?

Maxell Asia was attacked by Ransomhouse ransomware. Ransomhouse is one of the most active ransomware groups, having claimed 140 victims globally. The group typically employs a double-extortion model: encrypting the victim's files and threatening to publish stolen data.

When did the Maxell Asia ransomware attack occur?

The ransomware attack on Maxell Asia was disclosed on August 19, 2025. This date reflects when the victim was published on the threat group's leak site, which may differ from the actual date of initial compromise.

What data was stolen in the Maxell Asia ransomware attack?

The specific data stolen from Maxell Asia has not been independently verified by this platform. Ransomware groups typically exfiltrate data before encrypting systems and use the threat of publication to pressure victims. As a Technology organisation, Maxell Asia likely held source code, intellectual property, and customer data.

How can organisations protect against Ransomhouse attacks?

To defend against Ransomhouse and similar threat actors, organisations should: maintain regular offline backups tested for restoration; implement network segmentation to limit lateral movement; deploy multi-factor authentication on all remote access; use endpoint detection and response (EDR) tools; conduct regular phishing and security awareness training; and monitor threat intelligence feeds for indicators of compromise (IOCs) associated with active groups.