Heinrich Kopp
About the organisation
kopp.eu https://www.zoominfo.com/c/heinrich-kopp-gmbh/372789517 Heinrich Kopp GmbH, headquartered in Kahl am Main, Germany, has been developing and manufacturing electrical installation products "Made in Germany" since 1927. The company offers a catalog of over 7,000 products — from simple plugs and switches to Smart Home and wireless radio systems. Kopp is one of the leading electrical installation brands in German-speaking countries, serving both professional electricians and DIY customers. In 2020, the company launched a new "Energy & Home Automation" division, expanding into the smart home market
What the listing means
Heinrich Kopp appeared on the thegentlemen leak site on 06 May 2026. Groups publish a victim once negotiations stall or as pressure during them, so a listing usually means data was already exfiltrated — the attack itself is dated 27 April 2026, 8 days before the listing. This group has published 134 claims in the last 30 days and remains active.
Recommended actions
- Treat any unsolicited message referencing Heinrich Kopp as suspicious — leaked data gets weaponised for phishing within days.
- If you hold an account on kopp.eu, 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/SGVpbnJpY2ggS29wcEB0aGVnZW50bGVtZW4=