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Cyber Threat
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Ransomware victim

Tema Hwt

Listed by Shiba on · organisation based in Germany

tema-hwt.de

Disclosed
Nov 1, 2026
Leak-site listing date
Threat group
Shiba
5 victims listed
Country
Germany
#2 most targeted
Sector
Not recorded

ThreatAI analysis

Compiled from this incident record and the threat intelligence profile for Shiba. Figures and technique mappings are quoted from the source data, not inferred.

About Tema Hwt

TEMA Heizung Berlin is a company that provides heating services in Berlin. They offer a range of heating options including heating pumps, maintenance, and optimization. They also provide services for existing oil/gas heating.

Source record: ransomware.live

About the Shiba group

Shiba has listed 4 victims since October 2026.

Incident analysis

Tema Hwt was listed by Shiba ransomware, a group with 5 victims recorded in this database. The listing appeared on the group's leak site on November 1, 2026.

Tema Hwt is based in Germany. Germany ranks #2 worldwide for ransomware disclosures, with 1,030 victims in this database.

Shiba typically follows a double extortion model: data is exfiltrated from the victim's systems before files are encrypted, so the victim faces two demands at once — pay to restore access, and pay to keep stolen data unpublished. The leak site, where this listing appeared, is the lever for the second demand.

Source. Public leak-site disclosures aggregated via the ransomware.live API. The disclosure date is when the listing was published, which can differ from the date of compromise. This site does not publish or link to stolen data. Last updated .

Frequently asked questions

Was Tema Hwt attacked by ransomware?

Yes. Tema Hwt was listed as a victim of the Shiba ransomware group on November 1, 2026. The organisation is based in Germany. The disclosure appeared on the group's dark web leak site.

Which ransomware group attacked Tema Hwt?

Tema Hwt was attacked by Shiba ransomware. Shiba is one of the most active ransomware groups, having claimed 5 victims globally. The group typically employs a double-extortion model: encrypting the victim's files and threatening to publish stolen data.

When did the Tema Hwt ransomware attack occur?

The ransomware attack on Tema Hwt was disclosed on November 1, 2026. 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 Tema Hwt ransomware attack?

The specific data stolen from Tema Hwt 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. Sensitive business data was likely targeted.

How can organisations protect against Shiba attacks?

To defend against Shiba 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.