This hospitality industry brief explains how APIs underpin essential guest services such as reservations, mobile check-in, loyalty programs, and in-room experiences by connecting PMS, POS, and consumer applications. While these integrations improve efficiency and guest satisfaction, they also expand the attack surface through numerous third-party connections and the handling of sensitive data like PII and payment information. Traditional controls often fail to stop modern API attacks, creating compliance and breach risks under regulations such as GDPR and PCI DSS. The brief argues that hospitality organizations need full API visibility, strong posture governance, and real-time, behavior-based threat detection to protect guest data and maintain trust as digital transformation accelerates.

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