
A boutique hotel rolled out mobile screen‑casting to elevate guest experience. One guest cast inappropriate content onto another guest’s in‑room TV, triggering complaints and a police report. Unable to identify the guest responsible, the hotel bore full administrative liability and reputational damage.
The root cause lies not with screen‑casting itself, but the lack of real‑name binding and end‑to‑end auditing for casting activities. Once an incident occurs, hotels cannot trace the perpetrator and must bear all consequences.
Decree No. 176 of the Ministry of Public Security, effective October 1 2026, mandates retention of network security operation logs, and screen‑casting session logs fall within this scope. Non‑compliant screen‑casting auditing has become a new vulnerability exploited by professional whistle‑blowers against hotels.
Article 21 of the Cybersecurity Law of the People’s Republic of China stipulates: network operators “shall adopt technical measures to monitor and record network operating status and cybersecurity incidents, and retain relevant network logs for no less than six months as required”.
Decree No. 151 of the Ministry of Public Security further specifies that hotels, guesthouses, homestays and other venues providing public internet services must implement real‑name user authentication, record and retain internet access logs to ensure traceable and auditable online behaviours.
Building upon Decree No. 151, Decree No. 176 adds three layers of requirements: retention of network‑security operation logs, audit & submission of operation logs, and alignment with classified protection standards. Screen‑casting session logs are categorised as network‑security operation logs and shall be retained in compliance with Decree No. 176. Mandatory log fields include sender endpoint, display endpoint, protocol type, start‑time, end‑time and data volume.
For hotels, this means complete retention of screen‑casting operation logs, traceability to the real‑name identity of the caster, and queryable / exportable core fields including casting timestamp, room number and device information. In case of casting‑related disputes or dissemination of prohibited content, hotels shall promptly produce complete screen‑casting audit records.
The biggest flaw of conventional screen‑casting implementations is the disassociation between casting activities and real‑name user identities.
Some hotel TVs feature built‑in screen‑casting, accessible once connected to the local‑area network. Without real‑name binding, casting activities cannot be traced to specific end‑users. Without end‑to‑end auditing, hotels bear joint venue‑side liability for prohibited content streamed via casting, yet cannot identify the responsible party.
Traditional solutions exhibit three critical gaps:
AINOPOL’s Screen‑Casting Reflector features log‑auditing for screen‑casting as a core native capability.
Guests must complete Portal‑based real‑name authentication upon connecting to guest‑room Wi‑Fi. The system logs both guest internet‑access and screen‑casting activities. Audit trails link each real‑name authenticated user to the target room TV. Logs capture more than “which mobile device cast content”: they record which authenticated user, at what time, from which room, using which device and for what duration casting took place.
The system automatically logs all network‑wide screen‑casting sessions, retaining traceable metadata including casting‑device details, operation timestamps, associated guest‑room ID and session duration. Mandatory fields include sender endpoint, display endpoint, protocol type, start‑time, end‑time and data volume. Full traces are preserved from casting initiation to session termination.
Administrators view live screen‑casting sessions on the gateway web‑UI: session ID, room number, authenticated user identity, mobile‑IP, TV‑IP, protocol, start‑time, elapsed session duration and traffic statistics. One‑click session termination is supported.
Audit logs capture all events: screen‑cast start / stop, binding success / unbinding. Fields include timestamp, event type, room ID, authenticated‑user identity, mobile‑IP, TV‑IP, protocol, session duration and traffic volume. Filtering and pagination queries are available.
Screen‑casting operation logs are aggregated together with internet‑access logs. Encrypted local cyclic storage ensures 180‑day retention with no gaps, no manual erasure and tamper‑resistant protection.
The Screen‑Casting Reflector is a value‑added software module built‑into the Dream Gateway, supplied at no extra cost with the gateway; no additional hardware or software licences are required. Existing VLANs remain unchanged, global multicast is not enabled, and no client‑side software needs installing on each TV. Televisions keep their factory‑stock firmware. Guests utilise native screen‑casting functionality built into mobile phones. Deployment can be performed during off‑peak business hours without disrupting hotel operations.
Compliance for screen‑casting auditing cannot be treated as a post‑incident remediation measure. It must be built‑in from the moment screen‑casting services go‑live.
Decree No. 176 transforms “cybersecurity compliance” from abstract guidance into technically‑verifiable, remotely‑detectable and sanction‑enforced metrics. Complete retention and precise traceability of screen‑casting activity logs constitute an indispensable component of hotel compliance frameworks.
AINOPOL Screen‑Casting Reflector delivers automatic logging, real‑name binding, 180‑day tamper‑proof retention and one‑click log export. Instead of investigating after incidents happen, every screen‑casting session leaves traceable evidence.
Effective immediately, purchase of the M1 Dream Gateway includes complimentary access to the Screen‑Casting Reflector module.
Q: Are screen‑casting logs stored separately from internet‑access logs?
A: Under the AINOPOL solution, screen‑casting and internet‑access logs are aggregated within one unified platform. Authentication events and logs are generated, stored and managed by the same system, enabling unified retrieval during official inspections.
Q: Can logs be tampered‑with or manually deleted?
A: Screen‑casting logs adopt tamper‑resistant encrypted local storage. Logs cannot be altered or erased manually, supporting cyclic retention for a minimum of 180 days.