Protect-me v3.0
Today, homebrew coder maxthebest released the latest version of his homebrew application that asks for a password at the startup of the xmb menu. And now it’s fully compatible with the slim 
Changelog:
* PSP SLIM and lite now supported (and so is the HX firmware)
* Added a new function: a historic: it registers in PSP/SYSTEM/hist.txt the day and hour when you logged in and if the password was accepted or not (and if it wasn’t accepted, it tells you what the “thief” typed as a password.
* Now, even if there is no password set, the prx works and writes the connection times in the hist.txt file
* You can now go from “a” to “z” directly.
* In the XMB, press square to accept (to avoid launching the umd by pressing cross…)
Source: QJ
Download: Protect Me 3.0