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Allied Telesis Ransomware Attack

alliedtelesis.comRansomed

everestGroup

JapanCountry

Aug 5, 2026Discovered

Overview

View group profile

Domain

alliedtelesis.com

Industry

Technology

Country

Japan

Discovered

8 days ago

Attack date

Jul 17, 2026

Confidence

100%

Severity

Medium

Status

Claimed

Threat group

everest

Total victims

158

First seen

Aug 2025

Last seen

Aug 2026

Group status

active

Sophistication

Impact score

101

Threat level

2.7/10

Aggressiveness7/10

Lethality0.2/10

Criticality0.8/10

Status breakdown

Data Leaked3.2%5

Claimed

this victim

96.8%153

Targeted sectors

Energy & Utilities Financial Services Government & Defense Healthcare Hospitality Manufacturing Other Professional Services Retail & E-Commerce Technology Transportation

Victim's position within group

Industry

Technology

Known target sector

Country

Japan

Frequently targeted country

Other victims

View all (158)

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Group activity

Monthly attacks · everest

158

total · avg 12.2/mo