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Ransomware victim disclosure

All victims

BlockBets Casino

Claimed by Killsecurity · listed 10 months ago

10m
Age
since listed · data leaked

Status timeline

  1. ListedSep 11, 2025
  2. Data leakeddate unknown

At a glance

Status
Data leaked
Country
Curacao
Listed on leak site
Sep 11, 2025

About the victim

AI dossier — public-source company profile

BlockBets Casino (blockbets.casino) is an online casino operator licensed in Curaçao offering slots, live casino games, game shows, and tournaments. The platform provides a VIP program, affiliate program, and supports multiple languages. It operates exclusively in the online gambling space targeting international players.

Industry
Online Gambling & Casino

Attack summary

Severity: high — The status is 'data_published' indicating confirmed exfiltration; an online casino holds regulated PII, financial transaction data, and player account credentials at scale, making any confirmed publication of that data high severity.

Killsecurity claims to have compromised BlockBets Casino and has published data, though the leak post itself contains no specific detail on the nature of the attack or what data was exfiltrated.

high

Data the group says was taken

AI dossier — extracted from the leak post
  • User account data (usernames, emails, passwords)
  • Player registration records
  • Potentially financial/payment data
  • Platform configuration data

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 11, 2025BlockBets Casino listed by Killsecurityon the group's public leak site

Sector and geography

This disclosure adds to ransomware activity in the Hospitality and Tourism sector, which has 452 disclosures indexed across all operators we track. Geographically, BlockBets Casino is reported in Curacao.

If your organisation is affected

A listing by Killsecurity means BlockBets Casino 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.
  • 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.