In the latest cybersecurity news, Ayuntamiento de Valdemoro — a company operating in the ES — has fallen victim to a ransomware attack conducted by the group kairos. This data breach, discovered on 2026-05-11T20:53:06.267086+00:00, underscores the increasing need for proactive cybersecurity defenses as we continue through 2025.
In response to increasing cyber threats, it’s critical to protect your organization with proactive security measures. HookPhish provides enterprise-grade solutions designed to reduce your risk of future attacks:
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Incident Report
| Attribute | Information |
|---|---|
| Target Organization | Ayuntamiento de Valdemoro |
| Threat Group | kairos |
| Summary | Ayuntamiento de Valdemoro is the municipal government of Valdemoro, a town in the Madrid region of Spain. The site valdemoro.es is its official portal for residents, local news, and access to administrative services. The council plans and delivers local public services such as urban maintenance, social and cultural programmes, education and sports facilities where it is responsible, and citizen support. It passes local regulations within national and regional law, manages municipal assets, and interacts with higher tiers of government on regional and national programmes. In short, it is the local authority that governs and runs day-to-day public administration for the municipality. |
| Date of Breach | 2026-05-11T00:00:00+00:00 |
| Discovery Date | 2026-05-11T20:53:06.267086+00:00 |
| Region | ES |
| Target Domain | None |
| Business Sector | Public Sector |
Don’t wait for a breach to take action — stay informed and take control of your cybersecurity posture today.
You can also check if your organization’s data has been exposed using our free Data Breach Checker.
Disclaimer: HookPhish does not engage in the exfiltration, downloading, taking, hosting, viewing, reposting, or disclosure of any stolen information. All breach data reported here is sourced from publicly available threat intelligence feeds for awareness purposes only.
