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Proton System Ransomware Attack

proton.rsRansomed

inc ransomGroup

SerbiaCountry

Jan 3, 2026Discovered

Overview

View group profile

Domain

proton.rs

Industry

Retail & E-Commerce

Country

Serbia

Discovered

9 months ago

Confidence

85%

Severity

Medium

Status

Claimed

Threat group

inc ransom

Total victims

481

First seen

Sep 2025

Last seen

Sep 2026

Group status

active

Sophistication

Impact score

122

Threat level

4.4/10

Aggressiveness10/10

Lethality0.2/10

Criticality2.7/10

Status breakdown

Data Leaked2.7%13

Negotiating0.6%3

Claimed

this victim

96.7%465

Targeted sectors

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

Victim's position within group

Industry

Retail & E-Commerce

Known target sector

Country

Serbia

Frequently targeted country

Other victims

View all (481)

Same group · inc ransom

Group activity

Monthly attacks · inc ransom

481

total · avg 37/mo