Alexander Buch Bilanzbuchhalter
About the organisation
***.de Alexander Buch is a certified accountant (Bilanzbuchhalter) based in Herne, Germany, offering professional financial services to both businesses and individuals. His practice specializes in ongoing bookkeeping, payroll accounting, commercial consulting, and comprehensive support for startup founders. Additionally, he provides dedicated tax assistance services, helping clients efficiently manage their financial obligations and regulatory requirements
What the listing means
Alexander Buch Bilanzbuchhalter appeared on the thegentlemen leak site on 20 June 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 18 June 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 Alexander Buch Bilanzbuchhalter as suspicious — leaked data gets weaponised for phishing within days.
- If you hold an account on buch-bilanzbuchhalter.de, change that password now, update it anywhere you reused it, and enable two-factor authentication.
- Other Business Services 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/QWxleGFuZGVyIEJ1Y2ggQmlsYW56YnVjaGhhbHRlckB0aGVnZW50bGVtZW4...