Star Wars Question Regarding Palpatine/Darth Sidious

[Afrobean]

Originally Posted by Stereomike

I think he was talking about Sifo-Dyas

That may have been the name he was thinking of, but he referred to Dooku and asked about Dooku's "Jedi name".

Dooku is his name. That's not the Sith title appointed to him.

ps look what I found: http://starwars.wikia.com/wiki/Force_Concealment

So yeah, Sith Lords are definitely able to conceal themselves if they take the time to learn how.