Ransomware needs a way in. Stolen credentials are the cheapest one.

Michael K. Shelby, CPA, LLC Ransomware Attack

mkshelbycpa.comRansomed

Storm-1567Group

United StatesCountry

Oct 6, 2026Discovered

Overview

View group profile

Domain

mkshelbycpa.com

Industry

Professional Services

Country

United States

Discovered

about 6 hours ago

Attack date

Oct 6, 2026

Confidence

90%

Severity

Medium

Status

Claimed

Threat group

Storm-1567

Total victims

560

First seen

Oct 2025

Last seen

Oct 2026

Group status

active

Sophistication

Impact score

Threat level

3.7/10

Aggressiveness10/10

Lethality0/10

Criticality0.8/10

Status breakdown

Data Leaked0.7%4

Negotiating0.2%1

Claimed

this victim

99.1%555

Targeted sectors

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

Victim's position within group

Industry

Professional Services

Known target sector

Country

United States

Frequently targeted country

Other victims

View all (560)

Same group · Storm-1567

Group activity

Monthly attacks · Storm-1567

560

total · avg 43.1/mo