Complete data leak of the company BestFormulation (SIRIO)

Ransomware victim

leaknetGroup

ChinaCountry

Dec 23, 2025Discovered

Data has been published on the ransomware group's leak site.

Overview

View group profile

Industry

Manufacturing

Country

China

Discovered

5 months ago

Confidence

85%

Severity

Critical

Status

Data Leaked

Threat group

leaknet

Total victims

First seen

Aug 2025

Last seen

May 2026

Threat level

5.3/10

Aggressiveness5/10

Lethality3.9/10

Criticality7.3/10

Status breakdown

Data Leaked

this victim

78.0%46

Claimed16.9%10

Targeted sectors

Education Energy & Utilities Financial Services Government & Defense Healthcare Manufacturing Other Professional Services Technology Transportation

Victim's position within group

Industry

Manufacturing

Known target sector

Country

China

Not a listed target country

Other victims

View all (59)

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Group activity

Monthly attacks · leaknet

total · avg 5.9/mo