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Arich Enterprise Co., Ltd. Ransomware Attack

arich.com.twRansomed

orovaGroup

TaiwanCountry

Aug 25, 2026Discovered

Overview

View group profile

Domain

arich.com.tw

Industry

Other

Country

Taiwan

Discovered

about 1 month ago

Attack date

Aug 25, 2026

Confidence

100%

Severity

Medium

Status

Claimed

Threat group

Total victims

71

First seen

May 2026

Last seen

Sep 2026

Group status

active

Sophistication

0

Impact score

68

Threat level

2.3/10

Aggressiveness5/10

Lethality0/10

Criticality1.9/10

Status breakdown

Claimed

this victim

100.0%71

Targeted sectors

Accommodation Administrative & Support Services Advertising Agencies Agriculture&Forestry All Other Information Services Architectural Services Chemical&Pharmaceutical Manufacturing Civic&Social Organizations Computer Design & Services Computer Systems Design Services Computer Systems Design and Related Services Construction Construction of Buildings Electrical&Electronical Manufacturing Energy & Utilities Enterprises & Holding Finance Financial Services Freight Transportation Arrangement General Merchandise Stores, including Warehouse Clubs and Supercenters Government & Defense Graphic Design Services HealthCare & Social Assistance Healthcare Hospitality Individual and Family Services Industrial Machinery and Equipment Merchant Wholesalers Information Services Insurance Management of Companies and Enterprises Manufacturing Medical Equipment and Supplies Manufacturing National Security and International Affairs Offices of Certified Public Accountants Offices of Dentists Offices of Physicians Other Other Amusement and Recreation Industries Pharmaceutical and Medicine Manufacturing Professional Services Professional&Technical Services Public Administration Religious Organizations Remediation and Other Waste Management Services Rental & Leasing Retail Retail & E-Commerce Software Publishers Specialized Design Services Stationery and Office Supplies Merchant Wholesalers Technology Telecommunications Textile & Fabric Manufacturing Travel Agencies Veterinary Services

Victim's position within group

Industry

Other

Known target sector

Country

Taiwan

Not a listed target country

Other victims

Same group · orova

Group activity

Monthly attacks · orova

71

total · avg 14.2/mo