She received two IBM CEO Outstanding Technical Achievements awards and holds a patent on grid applications.

[2] Kofman is an executive at Recyclebank, a green company that rewards people for recycling.

Kofman was active in Internet protocols development and specifically in TCP/IP since 1983 with her first project of RLSS, a remote login system that was a predecessor of Telnet at IBM.

Appelman's group as a whole proved critical in IBM's early embrace of the Internet despite having a competing family of protocols, Systems Network Architecture.

Kofman also authored Network Time Protocol for various IBM operating systems.