Ransomware Intelligence

Celeris Networks

Ransomware victim

sinobiGroup
United StatesCountry
May 5, 2026Discovered

Industry

Technology

Country

United States

Discovered

about 2 months ago

Attack date

May 5, 2026

Confidence

90%

Severity

Medium

Status

Claimed

Threat group

sinobi

Total victims

273

First seen

Jun 2025

Last seen

May 2026

Group status

active

Sophistication

0

Impact score

66

Threat level

2.6/10
Aggressiveness5/10
Lethality0/10
Criticality2.7/10

Status breakdown

Claimed
this victim
100.0%273

Victim's position within group

Industry

Technology

Known target sector

Country

United States

Frequently targeted country

Group activity

Monthly attacks · sinobi

273

total · avg 24.8/mo

JunJulAugSepOctNovDecJanFebMarMay015304560