This white paper explores how a global hospitality brand secured printers, POS terminals, IP phones, server controllers, building systems, and other connected devices essential to guest services. Risks included outdated firmware, weak credentials, open ports, insecure configurations, and printer disk caches containing sensitive guest and business documents. Phosphorus used Intelligent Active Discovery to identify and assess devices safely, then automated password rotation, firmware management, certificate updates, service disabling, configuration hardening, and continuous monitoring. The platform protected guest data, reduced ransomware and disruption risks, improved audit evidence, and preserved operational continuity. Its agentless deployment also reduced infrastructure costs, accelerate

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