Stats from a Network Surveillance System
LogError writes "Sombria ("shadowy" in Portuguese) is a honeypot system set up in Tokyo, Japan, that is intended for network surveillance and research and not for production purposes. This paper provides some statistics and an overview of the most prominent attacks from May through July 2003."
For Windows there is the excellent WinSCP which is a GUI wrapper around SCP.
For Unix you can use the zssh program, or an FTP like wrapper for SCP whos name I've forgotten..