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Cordeiro Guerra & Associati

Claimed by Everest · listed 11 months ago

10m
Age
since listed · data leaked

Status timeline

  1. ListedSep 2, 2025
  2. Data leakeddate unknown

At a glance

Group
Everest
Status
Data leaked
Country
Italy
Listed on leak site
Sep 2, 2025

About the victim

AI dossier — public-source company profile

Cordeiro Guerra & Associati appears to be an Italian law firm or professional association, based on the naming convention common to Italian legal and consulting partnerships ('& Associati' denoting an associated practice). No public website content was available to confirm further operational details or geographic location beyond Italy.

Industry
Legal Services

Attack summary

Severity: medium — Data is marked as published by the group, suggesting confirmed exfiltration, but no specifics on data type, scale, or sensitivity are available from the truncated post. A legal firm would typically hold privileged client data, warranting at least medium severity, but lack of evidence prevents a higher classification.

The Everest ransomware group has listed Cordeiro Guerra & Associati with a 'data_published' status, indicating the group claims to have exfiltrated and published data. The leak post itself contains no substantive detail about the volume or nature of the data compromised.

medium

Original description

AI-summarised, not from the leak post

N/A

The leak post

captured from the group's site
Everest Group Everest Group News About the project Жалоба © 2026, All rights reserved ☀ ☾

Sources

Source

Indexed 11 months ago

This page surfaces a public ransomware disclosure indexed by Darkfield. Original posts come from the operator's own leak site; we cross-check against ransomware.live, RansomLook and RansomWatch where applicable. Share this URL freely.

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Disclosure context

About Everest

Everest is a financially-motivated ransomware group that emerged in September 2021, operating with a focus on profit-driven extortion campaigns against organizations primarily in the United States and Europe. The group's country of origin and specific affiliations remain undocumented in public threat intelligence reporting, though their operational patterns suggest they likely operate as an independent entity rather than a formal ransomware-as-a-service model. Limited public documentation exists regarding Everest's specific attack methodologies, initial access vectors, or technical capabilities, though their victim profile indicates they employ standard ransomware tactics targeting a diverse range of sectors including healthcare, technology, business services, and manufacturing organizations. Since their emergence, Everest has claimed responsibility for attacks against 339 victims across multiple countries, with the United States, United Kingdom, Italy, Germany, and Spain representing their primary geographic targets, though no specific high-profile incidents or major ransoms have been publicly documented by law enforcement or major security firms. As of current reporting, Everest appears to remain an active threat actor, though the limited public intelligence available suggests they operate as a lower-tier ransomware group compared to more prominent and well-documented criminal organizations. The group has been linked to 369 public disclosures across our corpus. First observed on a leak site on September 9, 2021; most recent post May 29, 2026. The operation is currently active.

Timeline of this disclosure

  • September 2, 2025Cordeiro Guerra & Associati listed by Evereston the group's public leak site

Other recent disclosures by Everest

Everest has been linked to 369 public victims on Darkfield. A sample of the most recent:

See the full Everest dossier →

Sector and geography

Geographically, Cordeiro Guerra & Associati is reported in Italy, a country with 635 ransomware disclosures in our corpus.

If your organisation is affected

A listing by Everest means Cordeiro Guerra & Associati appeared on a ransomware extortion site and data attributed to it has been published. If this is your organisation, or a supplier you depend on, the priority is to confirm the intrusion and contain it before the window to act closes.

  • Engage your incident-response team and preserve forensic evidence before remediating — do not wipe affected systems first.
  • Force a password reset and revoke active sessions for exposed accounts; rotate any credentials, API keys or certificates that may have been in the stolen data.
  • Assess regulatory notification duties (GDPR, NIS2, sector regulators) — many carry a 72-hour reporting clock from awareness.
  • Report the incident to your national CERT, CSIRT Italia (Italy), as required for your jurisdiction.
  • Monitor for the data appearing on Everest's leak site and across paste and breach channels, and brief downstream partners who may be exposed through you.

How we know this. Darkfield monitors public ransomware leak sites continuously, archiving every new disclosure and the data later released against the victim. Each entry on this page is sourced from the operator's own publication and cross-checked against complementary OSINT feeds (RansomLook, ransomware.live, RansomWatch). We do not collect or host stolen data — only the metadata, timestamps and screenshots needed to make the public disclosure searchable and accountable. Records here are corrected when the original post is edited, retracted, or merged with another disclosure.