Skip to main content
Darkfield

Ransomware victim disclosure

← All victims

Ayuntamiento de Velilla de San Antonio

Claimed by Kairos · listed 4 hours ago

Today
Age
since listed · data leaked

Status timeline

  1. ListedAug 20, 2026
  2. Data leakeddate unknown

At a glance

Group
Kairos
Status
Data leaked
Country
Spain
Sector
Government & Defense
Listed on leak site
Aug 20, 2026

About the victim

AI dossier — public-source company profile

Ayuntamiento de Velilla de San Antonio is the official local government body and administrative authority of the municipality of Velilla de San Antonio in the Community of Madrid, Spain. It manages public services, citizen registry (padrón), local taxes, and municipal life.

Industry
Local Government Administration
Address
Velilla de San Antonio, Madrid, Spain

Attack summary

Severity: medium — Spanish municipal government body with access to citizen PII (registry, tax records) and sensitive administrative data. Published disclosure with no proof files or operational details provided; confirmation of exfiltration is not explicit in the post.

The kairos group claims to have compromised the municipal government's systems. The leak post does not specify what data was exfiltrated or whether systems were encrypted; it only identifies the victim without detailing the attack method or scope.

medium

Data the group says was taken

AI dossier — extracted from the leak post
  • Citizen registry (padrón)
  • Tax records
  • Municipal administration files

What the group claims

El Ayuntamiento de Velilla de San Antonio es el organismo oficial de gobierno local y administración del municipio de Velilla de San Antonio, situado en la Comunidad de Madrid, España. Gestiona los servicios públicos, el padrón, los impuestos locales y la vida ciudadana de la localidad.

Source

Indexed 4 hours 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.

Is this your supplier? Your competitor? You?

Pro plans monitor your domain, corporate emails, and crypto wallets across every new ransomware leak-site post, breach dump and Telegram callout — alerts within 5 minutes.

Disclosure context

About Kairos

Kairos is a recently emerged ransomware group first observed in November 2024 that appears to be primarily financially motivated, having targeted approximately 75 victims across multiple sectors and countries. The group's origin and potential affiliations remain unclear due to limited public documentation from established threat intelligence sources, and it is unknown whether they operate as a Ransomware-as-a-Service model or as an independent entity. Based on available targeting data, Kairos appears to focus their operations primarily on English-speaking countries including the United States, Australia, United Kingdom, and Canada, with additional activity observed in Germany, while their sector targeting spans education, healthcare, agriculture and food production, and business services, though specific attack methodologies, initial access vectors, and encryption techniques have not been publicly documented by major security organizations. Given the group's recent emergence in late 2024, there are no widely reported notable campaigns or high-profile incidents documented by CISA, FBI, or established security research firms. As of current reporting, Kairos appears to remain active based on their recent first observation date, though comprehensive threat intelligence profiles from major security organizations have not yet been published due to the group's nascent operational timeline. The group has been linked to 95 public disclosures across our corpus. First observed on a leak site on November 13, 2024; most recent post August 20, 2026. The operation is currently active.

Timeline of this disclosure

  • August 20, 2026Ayuntamiento de Velilla de San Antonio listed by Kairoson the group's public leak site

Other recent disclosures by Kairos

Kairos has been linked to 95 public victims on Darkfield. A sample of the most recent:

See the full Kairos dossier →

Sector and geography

This disclosure adds to ransomware activity in the Government & Defense sector, which has 5 disclosures indexed across all operators we track. Geographically, Ayuntamiento de Velilla de San Antonio is reported in Spain, a country with 129 ransomware disclosures in our corpus.

If your organisation is affected

A listing by Kairos means Ayuntamiento de Velilla de San Antonio 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, INCIBE-CERT (Spain), as required for your jurisdiction.
  • Monitor for the data appearing on Kairos'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.