Disclosure context

About devman

The devman ransomware group is a recently emerged threat actor that began operations in April 2025, demonstrating a financially motivated criminal enterprise with a focus on opportunistic targeting across multiple sectors and geographic regions. Given the group's recent emergence and limited public documentation, specific details regarding their country of origin, organizational structure, or potential affiliations with established ransomware-as-a-service operations remain unknown to major cybersecurity agencies and researchers. The group's attack methodology and technical capabilities have not been thoroughly documented by reputable security firms, though their targeting patterns suggest a broad opportunistic approach rather than highly specialized tactics. In the brief period since their emergence, devman has reportedly compromised 184 victims across diverse sectors including technology, healthcare, public sector organizations, and agriculture and food production, with primary targeting concentrated in the United States, France, Svalbard and Jan Mayen, Taiwan, and Thailand, though the inclusion of Svalbard and Jan Mayen in their targeting list may indicate data collection anomalies rather than actual operational focus on this remote Arctic territory. As of current reporting, devman appears to remain an active threat, though the lack of detailed technical analysis or law enforcement advisories suggests they may be operating at a relatively low profile compared to more established ransomware groups. The group has been linked to 184 public disclosures across our corpus. First observed on a leak site on April 6, 2025; most recent post February 4, 2026. The operation is currently active.

Timeline of this disclosure

January 20, 2026Tvgoiania listed by devmanon the group's public leak site

Sector and geography

This disclosure adds to ransomware activity in the Not Found sector, which has 4,859 disclosures indexed across all operators we track. Geographically, Tvgoiania is reported in Brazil, a country with 319 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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TV Goiânia

listed as Tvgoiania · Claimed by devman · listed 4 months ago

Age

since listed · data leaked

Status timeline

Listed
Jan 20, 2026
Data leaked

At a glance

Group: devman
Status: Data leaked
Country: Brazil
Sector: Not Found
Listed on leak site: Jan 20, 2026

About the victim

AI dossier — public-source company profile

TV Goiânia is a regional media and news company based in Goiânia, Goiás, Brazil, operating primarily in Portuguese. It provides local news broadcasts, live shows, event coverage, and web content to audiences in the Goiânia metropolitan area.

Industry: Regional Broadcasting & Digital Media
Address: Goiânia, Goiás, Brazil

Attack summary

Severity: medium — Data has been published by the threat actor, confirming some level of exfiltration, but no specific sensitive data categories (e.g., PII at scale, financial, medical) are documented, and the scope and content of leaked data remain unspecified.

The group 'devman' claims to have attacked TV Goiânia and has published data, though no specific data volume or ransom demand was stated. The disclosure status is 'data_published', indicating exfiltration and release of company data.

medium

Data the group says was taken

AI dossier — extracted from the leak post

Internal company data (unspecified)

Original description

AI-summarised, not from the leak post

Tvgoiania is a media and news company based in Goiânia, Brazil. It provides a platform for local news, events, and updates significant to the Goiania area. The company offers a variety of media content in the form of live shows, news broadcasts, publications, and web content. Tvgoiania operates primarily in Portuguese language.

Sources

Victim sitetvgoiania.com.br
Leak posthttp://devmanblggk7ddrtqj3tsocnayow3bwnozab2s4yhv4shpv6ueitjzid.onion

Source

Indexed 4 months 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.