Disclosure context

About apt73

APT73 is a recently emerged ransomware group that began operations in April 2024, with financial motivation as their primary driver based on their targeting patterns across multiple high-value sectors. The group has demonstrated rapid growth in their operational tempo, accumulating 78 documented victims within their first months of activity. Their targeting methodology shows a preference for English-speaking markets and major economies, with the United Kingdom and United States representing their primary focus areas, followed by significant activity in India, Brazil, and France. The group exhibits a clear preference for high-value sectors including business services, technology, financial services, and healthcare organizations, suggesting a calculated approach to victim selection based on potential payment capability and operational impact. Given the group's recent emergence and limited public documentation from major threat intelligence sources, specific details regarding their initial access vectors, tooling, encryption methods, or organizational structure remain largely unconfirmed by authoritative sources such as CISA, FBI, or established security research firms. The group's current operational status appears active based on the timeline of their emergence, though comprehensive analysis of their capabilities and infrastructure requires additional intelligence gathering and documentation by security researchers. The group has been linked to 141 public disclosures across our corpus. First observed on a leak site on April 22, 2024; most recent post April 27, 2026. The operation is currently inactive.

Also tracked as: Eraleign.

Timeline of this disclosure

April 27, 2026credio.eu listed by apt73on the group's public leak site

Sector and geography

This disclosure adds to ransomware activity in the Financial Services sector, which has 516 disclosures indexed across all operators we track. Geographically, credio.eu is reported in AT, a country with 5 ransomware disclosures in our corpus.

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.

Ransomware victim disclosure

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Credio

listed as credio.eu · Claimed by apt73 · listed 24 days ago

23d

Age

since listed · data leaked

Status timeline

Listed
Apr 27, 2026
Data leaked

At a glance

Group: apt73
Status: Data leaked
Country: AT
Sector: Financial Services
Listed on leak site: Apr 27, 2026

About the victim

AI dossier — public-source company profile

Credio is a Czech company specialising in IT consulting and electronic document management services. The company operates under the domain credio.eu and appears to provide enterprise IT and document workflow solutions. Its web presence appears to be primarily an Outlook Web Access portal, suggesting hosted or managed IT services.

Industry: IT Consulting & Electronic Document Management

Attack summary

Severity: high — Data has been confirmed as published by the threat actor. Access to internal systems of an IT consulting and electronic document management company likely exposes sensitive business documents, credentials, and potentially client data at significant scale.

The group apt73 claims to have gained access to Credio's internal systems and has published data (disclosed status: data_published), asserting access to internal system credentials and related data from the IT consulting and document management firm.

high

Data the group says was taken

AI dossier — extracted from the leak post

Internal system credentials
Electronic document management data
IT consulting project data

What the group claims

Czech company Credio. IT consulting, electronic document management. Credits to internal systems....

Sources

Victim sitecredio.eu
Leak posthttp://basherq53eniermxovo3bkduw5qqq5bkqcml3qictfmamgvmzovykyqd.onion/page_company.php?id=42

Source

Indexed 24 days 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.