eSentire tracks four clusters behind CVE-2026-88771 exploitation, planting NetScaler web shells and backdoor accounts. Learn how to detect them. Related Posts: ClingSTUN Linux Backdoor Turns Unpatched IoT Devices Into Proxy Nodes Moroccan Intelligence Deploys Vast Surveillance Panopticon DragonForce Backdoor Adds MQTT Fallback to Microsoft Teams TURN Command Channel The post Four Attacker Clusters Exploit Citrix NetScaler Flaw CVE-2026-88771 to Plant Web Shells appeared first on Daily CyberSe