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Estar Seguros, S.A.

Claimed by Braincipher · listed 2 years ago

19m
Age
since listed · data leaked

Status timeline

  1. ListedDec 12, 2024
  2. Data leakeddate unknown

At a glance

Group
Braincipher
Status
Data leaked
Country
Mexico
Sector
Financial
Listed on leak site
Dec 12, 2024

About the victim

AI dossier — public-source company profile

Estar Seguros, S.A. is a Mexican insurance company offering auto, home, and life insurance products. The company operates through estarseguros.com and emphasizes customer-centric service and competitive pricing.

Industry
Insurance

Attack summary

Severity: high — Confirmed data publication (disclosed_status: data_published) from a financial services company handling sensitive customer PII and financial information at scale, typical of insurance operations.

Braincipher claims to have exfiltrated data from Estar Seguros. The group has published data from the victim, though specific details about the scope and nature of exfiltrated information are not provided in the available post excerpt.

high

Data the group says was taken

AI dossier — extracted from the leak post
  • Insurance customer records
  • Personal policyholder information
  • Financial data

Original description

AI-summarised, not from the leak post

Estar Seguros, S.A. is an insurance company that specializes in providing a range of insurance products and services. It focuses on offering tailored solutions to meet the diverse needs of its clients, including auto, home, and life insurance. The company is known for its customer-centric approach, competitive pricing, and reliable coverage options, aiming to deliver peace of mind and financial protection.

Sources

Source

Indexed 2 years 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 Braincipher

Braincipher is a recently emerged ransomware group that was first observed in July 2024, operating with apparent financial motivations and targeting organizations primarily across North America and Europe. The group's origin and potential affiliations remain largely undocumented by major threat intelligence organizations, though their targeting patterns suggest a broad opportunistic approach rather than nation-state backing, likely operating as an independent entity rather than through established ransomware-as-a-service infrastructure. Their attack methodology and specific technical capabilities have not been extensively documented by CISA, FBI, or major security research firms, though their victim distribution across 44 confirmed targets spanning business services, manufacturing, technology, and healthcare sectors indicates a generalist approach to target selection rather than sector-specific expertise. No major high-profile campaigns or significant law enforcement actions have been publicly documented against this group by reputable sources, suggesting either a relatively low-impact operational scale or insufficient intelligence collection on their activities. As of current reporting, the group's operational status remains unclear due to limited public documentation from established threat intelligence sources. The group has been linked to 69 public disclosures across our corpus. First observed on a leak site on July 1, 2024; most recent post July 9, 2026. The operation is currently active.

Also tracked as: brain cipher.

Timeline of this disclosure

  • December 12, 2024Estar Seguros, S.A. listed by Braincipheron the group's public leak site

Other recent disclosures by Braincipher

Braincipher has been linked to 69 public victims on Darkfield. A sample of the most recent:

See the full Braincipher dossier →

Sector and geography

This disclosure adds to ransomware activity in the Financial sector, which has 426 disclosures indexed across all operators we track. Geographically, Estar Seguros, S.A. is reported in Mexico, a country with 196 ransomware disclosures in our corpus.

If your organisation is affected

A listing by Braincipher means Estar Seguros, S.A. 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, CERT-MX (Mexico), as required for your jurisdiction.
  • Monitor for the data appearing on Braincipher'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.