Energon
About the organisation
***.cz zoominfo.com/c/energon/430910504 ENERGON HOLDING is a prominent Czech group uniting various companies specialized in energy services, photovoltaics, and modern sustainable technologies. With over 25 years of industry experience, the group drives innovations that enhance the energy independence and competitiveness of the Czech Republic. They also actively invest in startups focused on renewable energy optimization, diagnostics, and the security of power infrastructure
What the listing means
Energon appeared on the thegentlemen leak site on 11 July 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 10 July 2026, 1 day before the listing. This group has published 134 claims in the last 30 days and remains active.
Recommended actions
- Treat any unsolicited message referencing Energon as suspicious — leaked data gets weaponised for phishing within days.
- If you hold an account on energon.cz, change that password now, update it anywhere you reused it, and enable two-factor authentication.
- Other Energy 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/RW5lcmdvbkB0aGVnZW50bGVtZW4=