Curated cybersecurity briefings on active threats, vulnerabilities, and emerging risks
GreyNoise observes adversary activity through our Global Observation Grid (GOG), a network of sensors that draws attacker scanning and exploitation o…
CVE-2026-19490 is an authentication bypass vulnerability affecting certain customer-managed NetScaler ADC and NetScaler Gateway appliances. An unauth…
Incident responders began warning of potential vulnerabilities in NetScaler Gateway products on Saturday before cybersecurity agencies in the Netherl…
The NCSC is urging UK organisations to promptly mitigate vulnerabilities affecting Citrix NetScaler ADC and Gateway, two of which are being actively …
Citrix has confirmed exploitation of two critical zero-day RCE bugs
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Sunday added two critical Citrix NetScaler ADC and Gateway flaws to its Known Exp…
The Cybersecurity and Infrastructure Security Agency (CISA) has ordered U.S. government agencies over the weekend to secure their systems against att…