Citrix (NetScaler ADC and Gateway) Data Breach

Citrix (NetScaler ADC and Gateway) experienced a data breach that was reported on June 30, 2025. Citrix NetScaler ADC and Gateway contain a buffer overflow vulnerability leading to unintended control flow and Denial of Service. NetScaler must be configured as Gateway (VPN virtual server, ICA Prox

Key Facts

Organization
Citrix (NetScaler ADC and Gateway)
Date Reported
June 30, 2025
Incident Type
ddos
Industry
Technology
Severity Score
5/10
Confidence Level
high
Tags
ddos

Source

View original source - External link to primary source documentation

Understanding ddos Incidents

DDoS attacks overwhelm systems with traffic to disrupt availability. While primarily causing outages, they can mask other malicious activity.