Konoha Cryptanalysis Team

The Konoha Cryptology Squad specialize in deciphering secret codes and messages. Their base of operation is located in what seems to be a library.
 * Known Members: Shiho

Invasion of Pain arc
Konoha Cryptology Squad is introduced in chapter 406, when it is requested of them to decipher the code Jiraiya left behind. After finding out the key to the code (with help from Naruto and Kakashi), they get the text "The real one isn't among them", refering to who the real Pain is.