Eulogy Jones' password
Eulogy Jones' password is a holodisk in Fallout 3. It does not have a name ingame. It can be obtained from Eulogy Jones by pickpocketing or killing him and can be used to access his terminal in Eulogy's pad. It is unknown who wrote the note.
Eulogy, I changed your password to "tryandrememberitthistime". Maybe you won't forget that one.