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firefox.com 240k.zip

@mvddsp Reserv

This page documents a data breach listing tracked by Breach House. It summarizes the publicly advertised leak attributed to @mvddsp Reserv, including the affected entity, origin and the date the listing was first indexed.

Country
Discovered
2025-07-29
Breach ID
603b4b71bcfd

Breach Overview

The data breach involving firefox.com 240k.zip was disclosed by the @mvddsp Reserv threat actor. Breach House indexed this entry on July 29, 2025 from publicly posted breach listings. Breach House does not host, mirror or redistribute any leaked files — this record only notes that the listing was made public.

Dark Web Exposure

Findings for firefox.com — indexed by HaveIBeenRansom.
508,919
found in Infostealer logs
6,384
found in Traditional breaches
0
found in Ransomware leaks
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Original Post View Group: @mvddsp Reserv

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