{"trust":"SUSPICIOUS","score":75,"reasons":["unknown TLS fingerprint (not a known browser engine)"],"signals":[{"name":"os_coherence","status":"info","detail":"cannot compare (tcp_family=windows, ua_family=unknown)"},{"name":"tls_authenticity","status":"warn","detail":"TLS fingerprint (t13d1011h2_61a7ad8aa9b6_3fcd1a44f3e3) not in the known-engine set — obscure client, custom stack, or unseen engine"},{"name":"http2","status":"info","detail":"HTTP/2 Akamai fingerprint present (9b5dcd077a77c5e324b91d8cc306fd5a)"}],"tcp_os":"Windows","tcp_family":"windows","ua_os":"unknown","ua_family":"unknown","ua_browser":"other","ja4":"t13d1011h2_61a7ad8aa9b6_3fcd1a44f3e3","ja4_browser":"","os_class":{"os":"Windows","family":"windows","confidence":0.85,"basis":"option order/TTL (MSTNW, ttl_init 128)","mobile_mss":false}}