Kabushiki Gaisha Hodozuka Setsubi
About the organisation
hs1992.jp is the official website of Kabushiki Gaisha Hodozuka Setsubi, a Japanese company specializing in the design, installation, and maintenance of building utility systems. The enterprise operates in the field of construction and engineering, focusing on water supply, drainage, air conditioning, and heating systems.
What the listing means
Kabushiki Gaisha Hodozuka Setsubi appeared on the payload leak site on 19 May 2026. Groups publish a victim once negotiations stall or as pressure during them, so a listing usually means data was already exfiltrated. This group has published 7 claims in the last 30 days and remains active.
Recommended actions
- Treat any unsolicited message referencing Kabushiki Gaisha Hodozuka Setsubi as suspicious — leaked data gets weaponised for phishing within days.
- If you hold an account with this organisation, change the password now and enable two-factor authentication.
- Other Manufacturing organisations should review this group's known TTPs and validate detection coverage against them.
- Watch for follow-on extortion: stolen data is often re-leaked or resold after the initial listing.
- A leak-site listing is a claim made by the attacker, not a confirmed breach — check the organisation's own disclosures before acting on it.
Leak-site evidence
Listing URL https://www.ransomware.live/id/S2FidXNoaWtpIEdhaXNoYSBIb2RvenVrYSBTZXRzdWJpQHBheWxvYWQ=
Show leak-site screenshot
Captured from the group's extortion site. It may contain the victim's data or the attacker's messaging.
