Ransomware Intelligence

Amerinational Management Services (AMS)

ourams.com

sinobiGroup
United StatesCountry
Mar 19, 2026Discovered

Domain

ourams.com

Industry

Professional Services

Country

United States

Discovered

3 months ago

Attack date

Mar 17, 2026

Confidence

100%

Severity

Medium

Status

Claimed

Threat group

sinobi

Total victims

276

First seen

Jun 2025

Last seen

May 2026

Group status

active

Sophistication

0

Impact score

58

Threat level

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

Status breakdown

Claimed
this victim
100.0%276

Victim's position within group

Industry

Professional Services

Known target sector

Country

United States

Frequently targeted country

Group activity

Monthly attacks · sinobi

276

total · avg 25.1/mo

JunJulAugSepOctNovDecJanFebMarMay015304560