He thought briefly about disengaging and alerting security, but rejected the idea because it would break his contact with the intruder. The Raku security deckers would probably find the outsider in short order, but in the meantime no one would know what he had been doing. And when they caught up with the icon, a dogfight would likely dump the intruder out of the Matrix, It would get rid of the intrusion but not the mystery behind it. Sam wanted to know who was impersonating his friend.