There are plenty of organisations who will let you tap Gbps network links for research purposes and a small fee.
Network data isn't supposed to be secret, and in fact I wish more networks would publish samples of data that passes through the network so users inadvertently not using encryption can be alerted.
Network data isn't supposed to be secret, and in fact I wish more networks would publish samples of data that passes through the network so users inadvertently not using encryption can be alerted.