During routine monitoring a security analyst identified the following enterprise network traffic: Packet capture output: Which of the following BEST describes what the security analyst observed?

DNS hijacking involves manipulating DNS resolution to redirect traffic, and the described addresses (66.187.224.210, 192.168.12.21) and action do not indicate a DNS hijack without specific DNS query/response packets.

While 192.168.12.21 might make a TCP connection, the correct answer points to 209.132.177.50, implying the packet capture specifically showed activity with this IP.

A typical TCP connection establishment involves a three-way handshake where a client (192.168.12.21) sends a SYN packet to a server (209.132.177.50), the server responds with a SYN-ACK, and the client replies with an ACK. The packet capture output, though not provided here, must have shown this sequence with 192.168.12.21 initiating communication to 209.132.177.50 on a TCP port.

A TCP reset attack (RST flag) would involve 209.132.177.50 sending an RST packet to abruptly terminate a connection, which is not described as a connection being *made*.