Doctor Lesko's password recording is a holotape in Fallout 3.
Location[]
It can be found in the recently built shack in Grayditch, where it was left by its author Doctor Lesko. It can be used to access his terminal.
Transcript[]
This could be the fifth time I've forgotten the code to my desktop terminal. I really must learn to be more organized.
The password for my terminal is "formicidae." How hard could that be for me to remember?
Note to self: destroy this holotape as soon as move to new lab is complete.