ZFG ALTHERM Engineering
About the organisation
ZFG ALTHERM Engineering GmbH specializes in engineering services for technical building equipment. The company focuses on providing high-quality planning and consulting solutions tailored to complex and technically demanding projects. With a commitment to precision, know-how, and experience, they strive to develop individualized solutions for each client. Their target clients include those seeking specialized engineering services in the field of technical building infrastructure.
What the listing means
ZFG ALTHERM Engineering appeared on the dragonforce 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 39 claims in the last 30 days and remains active.
Recommended actions
- Treat any unsolicited message referencing ZFG ALTHERM Engineering as suspicious — leaked data gets weaponised for phishing within days.
- If you hold an account on zfg-altherm.at, change that password now, update it anywhere you reused it, 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/WkZHIEFMVEhFUk0gRW5naW5lZXJpbmdAZHJhZ29uZm9yY2U=
Show leak-site screenshot
Captured from the group's extortion site. It may contain the victim's data or the attacker's messaging.