Products Affected C•CURE 9000 iSTAR Pro controllers Microsoft Windows Server (host OS context only) Summary RC4 is a legacy stream cipher encryption algorithm introduced in 1987 and was historically used to encrypt network communications between C•CURE 9000 and iSTAR Pro controllers. RC4 was implemented as an optional setting through System Variables. Due to multiple security… Continue reading RC4 Protocol Update – C•CURE 9000 / iSTAR Pro Impact Assessment