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Threat actors associated with the Anubis ransomware operation have been observed exploiting the Citrix Bleed 2 (CVE-2025-5777) vulnerability to obtain initial access
The breach was carried out with stolen Citrix credentials for an account that lacked multifactor authentication. Attackers went undetected for days, and Change's backup strategy failed.
Testifies that Citrix authentication snafu has cost the health giant dearly UnitedHealth CEO Andrew Witty will tell US lawmakers Wednesday the cyber-criminals who hit Change Healthcare with ransomware used stolen credentials to remotely access a Citrix portal that didn't have multi-factor authentication enabled.…
UnitedHealth confirms that Change Healthcare's network was breached by the BlackCat ransomware gang, who used stolen credentials to log into the company's Citrix remote access service, which did not have multi-factor authentication enabled. [...]
A recently disclosed critical flaw in Citrix NetScaler ADC and Gateway devices is being exploited by threat actors to conduct a credential harvesting campaign
Hackers are conducting a large-scale campaign to exploit the recent CVE-2023-3519 flaw in Citrix NetScaler Gateways to steal user credentials. [...]
Plus: Citrix ASM has some really bad bugs, and more In brief More than half of the 24.6 billion stolen credential pairs available for sale on the dark web were exposed in the past year, the Digital Shadows Research Team has found.…