leapfrog attack

( n.)

   Use  of  userid  and password information obtained illicitly from one
   host  (e.g., downloading a file of account IDs and passwords, tapping
   TELNET, etc.) to compromise another host. Also, the act of TELNETting
   through  one  or  more  hosts in order to confuse a trace (a standard
   cracker procedure).

[glossary]