Was Audit and Tax Audit Medellín hit by ransomware?

Audit and Tax Audit Medellín was listed by the emperador ransomware operation (Colombia), and stolen data was published on the group's leak site. Darkfield tracks this disclosure with the original leak post, screenshot and group context.

Who is the emperador ransomware group?

emperador is a ransomware operator tracked by Darkfield. See the full operator dossier for its known victims, sectors targeted, IOCs and leak-site infrastructure.

What data was leaked in the Audit and Tax Audit Medellín breach?

emperador published data attributed to Audit and Tax Audit Medellín, around 17000 documents records. Darkfield captured the leak post and a screenshot of the listing.

Ransomware victim disclosure

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Audit and Tax Audit Medellín

Claimed by Emperador · listed 24 hours ago

17000 documents

Records

Today

Age

since listed · data leaked

Status timeline

ListedSep 15, 2026
Data leakeddate unknown

At a glance

Group: Emperador
Status: Data leaked
Country: Colombia
Sector: Professional Services / Accounting & Auditing
Listed on leak site: Sep 15, 2026
Records: 17000 documents

About the victim

AI dossier — public-source company profile

Audit and Tax Audit Medellín is a Colombian accounting and auditing firm based in Medellín with more than 5 years of operating experience. The company provides audit and tax services to clients.

Industry: Professional Services / Accounting & Auditing
Address: Calle 17 sur 44 - 159 Oficina 1501 EDIFICIO CLAROSCURO, Medellín, Colombia

Attack summary

Severity: high — Confirmed exfiltration of personal data (employees and customers) at scale (17,000 documents) combined with sensitive tax and financial records typical of an audit firm. The data scope and regulatory sensitivity (PII + financial/tax documents) elevates this to high severity.

The emperor group claims to have exfiltrated 17,000 documents from the company, including personal data of employees and customers, tax documents, and databases.

high

Data the group says was taken

AI dossier — extracted from the leak post

employee personal data
customer personal data
tax documents
company databases
business documents

What the group claims

Colombian company specializing in Audit and Tax Audit with more than 5 years of experience, located at Calle 17 sur 44 - 159 Oficina 1501 Edificio Claroscuro, Medellín, Colombia.

The leak post

captured from the group's site

Colombian Company.Audit and Tax Audit with more than 5 years of experienceCalle 17 sur 44 - 159 Oficina 1501 EDIFICIO CLAROSCURO, Medellín Colombia.Llámanos o escríbenos: 310 447 2013 - 313 796 9917The archives contain personal data of employees and customers of the company, tax documents, databases and other important documents17000 documents

Data the group says was taken

personal data of employees
personal data of customers
tax documents
databases
important documents

Screenshot of the leak post

Leak screenshot for Audit and Tax Audit Medellín

Sources

Leak posthttp://emprdr4p7iwlhpky33tswt3k2qdeljyjcdpoysabudmmrz4z32laexad.onion/post/easy-job-sas/

Source

Indexed 24 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.

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Disclosure context

About emperador

Emperador is a ransomware group first observed in August 2026 with an apparent financial motivation, though its limited operational history makes comprehensive attribution difficult at this time. Based on available data, the group has recorded at least one confirmed victim, with targeting concentrated in the Philippines and a demonstrated focus on the Government and Defense sector, suggesting either opportunistic targeting or a deliberate interest in sensitive public-sector data. Specific details regarding initial access vectors, encryption methodologies, and tooling have not been publicly documented by CISA, the FBI, Mandiant, or other reputable threat intelligence sources as of this profile's compilation, and no affiliation with known ransomware-as-a-service ecosystems or established threat actor clusters has been formally established. No notable high-profile campaigns, record ransom demands, or law enforcement actions have been publicly attributed to this group, which is consistent with its nascent operational timeline and minimal victim count. Given its very recent emergence and limited observed activity, Emperador should be considered an emerging and uncharacterized threat requiring continued monitoring, particularly by organizations operating within Philippine government and defense environments. The group has been linked to 29 public disclosures across our corpus. First observed on a leak site on August 12, 2026; most recent post September 15, 2026. The operation is currently active.

Timeline of this disclosure

September 15, 2026Audit and Tax Audit Medellín listed by emperador on the group's public leak site

Records: 17000 documents

Other recent disclosures by emperador

emperador has been linked to 29 public victims on Darkfield. A sample of the most recent:

See the full emperador dossier →

Sector and geography

This disclosure adds to ransomware activity in the Professional Services / Accounting & Auditing sector. Geographically, Audit and Tax Audit Medellín is reported in Colombia, a country with 66 ransomware disclosures in our corpus.

If your organisation is affected

A listing by emperador means Audit and Tax Audit Medellín 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 emperador'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.