Newman & Marquez
About the organisation
Sehlmann Fensterbau GmbH specializes in wooden and wood-metal win dows in the Hamburg metropolitan area. They offer optimal window solutions for innovative new constructions and stylish renovation s, providing services from consultation and planning to productio n and installation. We will upload 95gb of corporate data soon. Employee personal fil es, large amount of client personal files (passports, DLs, death certs, visas, credit cards and other files), financials, court fi les, police reports, hearings, lawsuits and other files, etc.
What the listing means
Newman & Marquez appeared on the akira leak site on 09 April 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 21 claims in the last 30 days and remains active.
Recommended actions
- Treat any unsolicited message referencing Newman & Marquez as suspicious — leaked data gets weaponised for phishing within days.
- If you hold an account on newmanmarquezpa.com, 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/TmV3bWFuICYgTWFycXVlekBha2lyYQ==