Hotel can see every site you connect to and you’re exposed to SNI fingerprinting by their ISP. Metadata leaks over both LAN and WAN (traffic volume, timing patterns, dest IPs, connection frequency) and both netadmin and ISP can infer your browsing habits without actually seeing the content. Other guests with wireshark and too much time on their hands.
Moreover, many types of traffic aren’t HTTPS, including NTP, DHCP, SNMP, FTP, SSH (without HTTPS), most IoT devices, VoIP, gaming traffic, many application APIs, apps with embedded DNS overrides (really apps in general, especially mobile apps, especially meta and alphabet apps), even email unless TLS is explicitly configured. And many websites simply don’t serve HTTPS and will attempt to redirect to HTTP.
This is without getting into encryption strength and post-quantum standards. And I was referring to 802.1X/MDM enterprise profiles not CA.
Hotel can see every site you connect to and you’re exposed to SNI fingerprinting by their ISP. Metadata leaks over both LAN and WAN (traffic volume, timing patterns, dest IPs, connection frequency) and both netadmin and ISP can infer your browsing habits without actually seeing the content. Other guests with wireshark and too much time on their hands.
Moreover, many types of traffic aren’t HTTPS, including NTP, DHCP, SNMP, FTP, SSH (without HTTPS), most IoT devices, VoIP, gaming traffic, many application APIs, apps with embedded DNS overrides (really apps in general, especially mobile apps, especially meta and alphabet apps), even email unless TLS is explicitly configured. And many websites simply don’t serve HTTPS and will attempt to redirect to HTTP.
This is without getting into encryption strength and post-quantum standards. And I was referring to 802.1X/MDM enterprise profiles not CA.