high severity December 15, 2025 · 3 min read Unverified claim — what this is

Region of Istria Listed by Qilin Ransomware Group

If you are a customer of Region of Istria, here’s what is being claimed, and what it would mean for you.

Region of Istria was listed on the qilin ransomware leak site. The group claims to have stolen internal data.
— from Qilin’s own leak-site posting. This is the group’s claim, quoted verbatim; it is not GalaxyWarden’s reporting and has not been independently verified.

Region of Istria Listed by Qilin Ransomware Group

On December 15, 2025, the Region of Istria appeared on the leak site operated by the qilin ransomware group. The attackers claim to have exfiltrated internal files from the Croatian regional government body, which provides public services to residents across Istria county. Anyone whose personal information is held by the region — from property records and tax filings to school registrations or health permits — may now be at risk.

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What Public Reporting Shows

Public reporting indicates the Region of Istria was formally listed on the qilin leak portal on December 15, 2025. The group states it stole internal data during a ransomware incident and has begun publishing samples as proof. No exact victim count inside the region has been disclosed, and the precise volume or sensitivity of the files remains unconfirmed by independent third parties at the time of writing. Available reporting describes the exposed material as internal files rather than a single database of customer records.

Why This Matters for You and Your Family

When a government region that handles everyday documents is breached, the fallout reaches ordinary households. Your address, identity numbers, family member names, or financial details held by the authority could surface in unexpected places. Once that data leaves official systems it travels quickly through underground markets, increasing the chance of identity theft, targeted scams, or unwanted contact. For families this often means sudden spikes in phishing texts, fraudulent loan applications in a child’s name, or strangers showing up at your doorstep because an address was linked to leaked records.

Credential leaks from government suppliers or partners frequently cascade into personal email and social media accounts. If you or your children use the same password for a school portal, a local council login, and a gaming account, one breach can open multiple doors.

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What the free scan actually returns

Sample resultyou@email.comIllustrative — not a real person

Found on people-search siteswe remove these

These listings are live, public, and legal to remove — and removing them is what we do.

value redacted in this sampleage, relatives, address historySpokeo

value redacted in this samplephone, household, property recordsBeenVerified

value redacted in this sample580 companies checked

Found in breach recordsverifiedreported — unverified

Each record is labeled: confirmed breach data, or an attacker’s claim no one has verified.

verifiedvalue redacted in this samplepassword + phone · 2024telecom breach

unverifiedvalue redacted in this sampleclaimed in ransomware listing · 2026leak-site claim

Leaked data cannot be deleted from the internet — anyone claiming otherwise is lying. Broker listings can be removed. We do the second, and show you exactly what to fix from the first.

Report details & sourcing

Attributed to Qilin · 2349 incidents tracked →

Severity High the filing does not enumerate what was exposed

Disclosed December 15, 2025

Last reviewed August 8, 2026

Affected Unconfirmed

By GalaxyWarden Threat Research · Editorial & sourcing standards

Unverified claim — what this report is

This page documents a public listing on a ransomware/extortion group’s leak site, tracked via public threat-intelligence sources. A listing is the attacker’s claim. GalaxyWarden aggregates and reports such claims; we have not independently verified that a breach occurred, what data (if any) was taken, or the accuracy of anything the group asserts, and the named organisation has not necessarily confirmed the incident. Sections above describe what the listing shows and the group’s documented history — not verified findings about the named organisation. If you represent this organisation and believe anything here is inaccurate, tell us and we’ll review it promptly.

Editorial & sourcing policy

GalaxyWarden is a breach-monitoring service and news aggregator. We do not exfiltrate, host, purchase, or redistribute stolen data. Breach information is compiled from publicly accessible sources and threat-intelligence platforms, and is reported as claims attributed to their source. We promptly correct or remove material shown to be inaccurate — see our content & takedown policy or write to support@galaxywarden.com.

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Qilin — 2349 incidents tracked

Every breach we've attributed to Qilin, in one running log. See who else they've hit →

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