Recognition Display TLS Certificate Chain Audit for School Kiosks
A school recognition display kiosk — whether it shows an athletic hall of fame in a gymnasium lobby, inductee portraits in a trophy corridor, or a championship record board outside the main office — connects to its content platform over HTTPS. Every time the display’s operating system opens that connection, it validates the server’s TLS certificate chain: checking that the server’s certificate was signed by a trusted intermediate certificate authority, that the intermediate was signed by a known root CA, and that each link in that chain is cryptographically intact. If the chain is broken — if an intermediate CA certificate is missing from the server’s response — the kiosk’s TLS library will refuse the connection, even if the server’s leaf certificate is perfectly valid and months away from expiration.
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