A new report released today by Fox-IT, part of NCC Group PLC, has detailed how about 2,000 Citrix NetScalers have been exploited by a threat actor to gain persistent access. Citrix NetScaler is an ...

Citrix warned admins today to secure all NetScaler ADC and Gateway appliances immediately against ongoing attacks exploiting the CVE-2023-4966 vulnerability. The company patched this critical ...

Amid confusing reports about Citrix NetScaler exploits in the wild, researchers offer technical analyses and indicators of compromise for one of the vulnerabilities dubbed Citrix Bleed 2 that can lead ...

Citrix Netscaler Agent and Netscaler Console allow attackers to extend their rights. Secure Access Client for Mac also has a vulnerability. Citrix has discovered multiple vulnerabilities in Netscaler ...

A zero-day vulnerability in Citrix NetScaler Application Delivery Controller (ADC) and Citrix NetScaler Gateway appears to be being exploited by an unspecified advanced persistent threat (APT) actor ...

A critical NetScaler ADC and Gateway vulnerability dubbed "Citrix Bleed 2" (CVE-2025-5777) is now likely exploited in attacks, according to cybersecurity firm ReliaQuest, seeing an increase in ...

Organizations big and small are once again scrambling to patch critical vulnerabilities that are already under active exploitation and cause the kind of breaches coveted by ransomware actors and ...

Citrix has agreed to buy network traffic specialist NetScaler for $300 million, the software maker's latest foray into new markets via an acquisition. The companies announced the deal, a mix of cash ...

Citrix has disclosed a severe bug in its Citrix Application Delivery Controller (ADC), which is used by at least 80,000 organizations. And for now, there's no patch available. According to Citrix, the ...

The security vulnerability nicknamed “Citrix Bleed 2” has apparently been known to attackers for longer than initially assumed. This was discovered by a provider of attack detection solutions. Using ...