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Top4Fans

Claimed by Killsecurity · listed 10 months ago

9m
Age
since listed · data leaked

Status timeline

  1. ListedSep 22, 2025
  2. Data leakeddate unknown

At a glance

Group
Killsecurity
Status
Data leaked
Country
France
Listed on leak site
Sep 22, 2025

About the victim

AI dossier — public-source company profile

Top4Fans (top4fans.com) is a French adult content subscription platform similar to OnlyFans, enabling content creators to monetise photos, videos, and PDFs through premium subscriptions, private stores, and paid direct messaging. The platform hosts adult creators and manages fan relationships including private chats and media-on-demand services. It targets an 18+ audience and supports multiple languages including English, Spanish, French, and Portuguese.

Industry
Adult Content Creator Platform

Attack summary

Severity: high — Top4Fans handles sensitive PII of both adult content creators and their subscribers, including financial transaction data, private communications, and adult media. A data_published status on an adult platform creates significant reputational, legal, and personal harm risk for users who may have expected privacy; the combination of PII, payment data, and adult content exposure elevates this to high severity.

KillSecurity claims a data published disclosure against Top4Fans, indicating exfiltration and publication of data. No specific data volume or ransom demand was stated, and the leak post content was not provided.

high

Data the group says was taken

AI dossier — extracted from the leak post
  • User account credentials (emails, passwords)
  • Creator profile data
  • Subscriber personal information
  • Payment/financial records
  • Private chat messages and media
  • Adult content uploads

What the group claims

N/A

Sources

Source

Indexed 10 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 Killsecurity

Killsecurity is a relatively new ransomware group that emerged in March 2024, operating with apparent financial motivations and demonstrating rapid expansion in their victim targeting. The group's origin and affiliations remain unclear due to limited public documentation from major threat intelligence sources, though their global targeting pattern suggests a sophisticated operation. Based on available victim data, Killsecurity has compromised 276 organizations primarily across the United States, India, United Kingdom, Brazil, and Belgium, with a particular focus on healthcare, technology, business services, and financial sectors. The group's attack methodology, encryption techniques, and specific tools remain undocumented in public threat intelligence reports from established security firms. Notable campaigns and high-profile victims have not been extensively documented by major cybersecurity organizations or law enforcement agencies, likely due to the group's recent emergence. Killsecurity appears to remain active as of current reporting, though comprehensive analysis of their operations is limited by the lack of detailed technical documentation from reputable threat intelligence sources. The group has been linked to 277 public disclosures across our corpus. First observed on a leak site on March 21, 2024; most recent post May 15, 2026. The operation is currently active.

Timeline of this disclosure

  • September 22, 2025Top4Fans listed by Killsecurityon the group's public leak site

Other recent disclosures by Killsecurity

Killsecurity has been linked to 277 public victims on Darkfield. A sample of the most recent:

See the full Killsecurity dossier →

Sector and geography

Geographically, Top4Fans is reported in France, a country with 612 ransomware disclosures in our corpus.

If your organisation is affected

A listing by Killsecurity means Top4Fans 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-FR (France), as required for your jurisdiction.
  • Monitor for the data appearing on Killsecurity'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.