Fabritius
About the organisation
fabritius.be ETS Fabritius SPRL is a Belgian family-owned company founded in 1976, with roots going back to 1945. For over 50 years, it has manufactured and sold temperature measurement equipment — including thermocouples, resistance thermometers, converters, regulators, and connectors. The business has been passed down through three generations of the Fabritius family, combining deep product expertise with a commitment to quality and flexible customer service
What the listing means
Fabritius 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 29 April 2026, 6 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 Fabritius as suspicious — leaked data gets weaponised for phishing within days.
- If you hold an account on fabritius.be, 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/RmFicml0aXVzQHRoZWdlbnRsZW1lbg==