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Delek US Ransomware Attack

delekus.comRansomed

helixGroup

United StatesCountry

Aug 19, 2026Discovered

Overview

View group profile

Domain

delekus.com

Industry

Energy & Utilities

Country

United States

Discovered

2 months ago

Attack date

Aug 19, 2026

Confidence

100%

Severity

Medium

Status

Claimed

Threat group

Total victims

24

First seen

Aug 2026

Last seen

Oct 2026

Group status

active

Sophistication

0

Impact score

60

Threat level

4/10

Aggressiveness9/10

Lethality0/10

Criticality2.7/10

Status breakdown

Negotiating8.3%2

Claimed

this victim

91.7%22

Targeted sectors

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

Victim's position within group

Industry

Energy & Utilities

Known target sector

Country

United States

Frequently targeted country

Other victims

Same group · helix

Group activity

Monthly attacks · helix

24

total · avg 8/mo