high severity November 06, 2023 · 3 min read Unverified claim — what this is

Comfloresta Listed by ALPHV Ransomware Group

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

Comfloresta was listed on Alphv's leak site. Alphv claims to have stolen internal data. This is the group's claim, not a confirmed finding.

Comfloresta Listed by ALPHV Ransomware Group

Comfloresta Cia. Catarinense de Empreendimentos Florestais was listed on the Alphv ransomware leak site on November 06, 2023. The Brazilian forest management company, founded in 1970 and headquartered in Joinville, Santa Catarina, is claimed to have had internal files exfiltrated during a ransomware attack. Anyone whose personal or business data touched Comfloresta’s systems may now face exposure, including employees, contractors, partners, and residents in the 16 municipalities where the company operates renewable forests.

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Reported Details from the Listing

The Alphv leak site entry states that internal files were exfiltrated from Comfloresta following a ransomware deployment. The disclosure does not quantify the number of records affected, list specific data types beyond “internal files,” or reveal any ransom demand. It simply states that data was taken and is now hosted on the extortion platform. The listing carries a publication date of November 06, 2023, and remains active on the onion address http://alphvmmm27o3abo3r2mlmjrpdmzle3rykajqc5xsj7j7ejksbpsa36ad.onion/7f06e9eb-5e23-4531-b8b6-c99ae41a0d30.

Why This Matters for You and Your Family

When a company that manages land, payroll, supplier contracts, and local regulatory filings is breached, the ripple effects reach ordinary people. Your name, national ID, tax registration, address, banking details, or employment records may sit inside those internal files. Exposure of such information allows identity thieves to open accounts, file fraudulent tax returns, or impersonate you with government agencies. Families living near the 14 Santa Catarina and two Paraná municipalities served by Comfloresta are at elevated risk because local employee and vendor data frequently includes household addresses and family member names.

Doxxing and Identity-Chain Implications

Stolen internal files rarely contain only one data point. A single leaked email or phone number can be chained with gaming usernames, social-media handles, and public records to build a complete profile. Threat actors then sell or weaponize these identity chains for harassment, SIM-swapping, or targeted phishing. Credential leaks of this nature frequently cascade into account takeovers on Steam, Roblox, or other platforms used by children, turning a corporate breach into a household doxxing incident. Once the data appears on dark-web markets, removal becomes nearly impossible without coordinated, persistent effort.

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Sample resultyou@email.comIllustrative — not a real person

Found on people-search siteswe remove these

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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 Alphv · 727 incidents tracked →

Severity High the filing does not enumerate what was exposed

Disclosed November 06, 2023

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.

Threat-actor tracker

Alphv — 727 incidents tracked

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