Ransomware needs a way in. Stolen credentials are the cheapest one.
yalebooks.yale.edu Ransomware Attack
yalebooks.yale.eduRansomed
Overview
View group profileDomain
yalebooks.yale.edu
Industry
Education
Country
United States
Discovered
1 day ago
Attack date
Oct 5, 2026
Confidence
85%
Severity
Medium
Status
Claimed
Threat group
ScarlettgroupTotal victims
1
First seen
Oct 2026
Last seen
Oct 2026
Threat level
1.9/10Aggressiveness1.3/10
Lethality0/10
Criticality5/10
Status breakdown
Claimed
this victim
100.0%1Targeted sectors
Victim's position within group
Industry
Education
Known target sector
Country
United States
Not a listed target country
Other victims
View all (1)Same group · Scarlettgroup
Group activity
Monthly attacks · Scarlettgroup
1
total · avg 1/mo