A major theme in the iSTAR "G4" generation is a relentless focus on cybersecurity. Johnson Controls regularly publishes security advisories, and staying current on updates is critical. A notable vulnerability (CVE-2024-32752) highlighted that iSTAR controllers running firmware prior to did not support authenticated communications with the ICU, potentially allowing attackers unauthorized access. This underscores the absolute necessity of always using the latest firmware and software versions to maintain a secure, resilient security posture.
: A scalable network controller that handles up to 32 readers and 1,000,000 credentials offline. It uses a General Controller Module (GCM) combined with up to four Access Control Modules (ACM).
is often described as "software-driven hardware" because its most critical functions are managed through its onboard firmware and integration layers: Cybersecurity & Encryption: It features a Trusted Execution Environment (TEE)