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Yad Vashem Ransomware Attack

yadvashem.orgData extortion

IsraelCountry
Aug 22, 2026Discovered

Domain

yadvashem.org

Industry

Education

Country

Israel

Discovered

2 months ago

Attack date

Apr 15, 2026

Confidence

100%

Severity

Medium

Status

Claimed

Threat group

nasirsecurity

Total victims

18

First seen

Mar 2026

Last seen

Apr 2026

Group status

active

Sophistication

0

Impact score

43

Threat level

1.6/10
Aggressiveness3.5/10
Lethality0/10
Criticality1.2/10

Status breakdown

Claimed
this victim
100.0%18

Victim's position within group

Industry

Education

Known target sector

Country

Israel

Frequently targeted country

Group activity

Monthly attacks · nasirsecurity

18

total · avg 9/mo

MarApr0481216