Comment 2 for bug 1259354

kenneth@kennetheeepc:~$ lsb_release -rd
Description: Ubuntu 12.04.4 LTS
Release: 12.04
kenneth@kennetheeepc:~$ apt-cache policy prey
prey:
  Installed: 0.5.3-7
  Candidate: 0.5.3-7
  Version table:
 *** 0.5.3-7 0
        500 http://ubuntu.mirror.cambrium.nl/ubuntu/ precise/universe i386 Packages
        100 /var/lib/dpkg/status
kenneth@kennetheeepc:~$ sudo /usr/lib/prey/prey.sh

 ### PREY 0.5.3 spreads its wings!
 ### Linux kennetheeepc 3.11.0-18-generic #32~precise1-Ubuntu SMP Thu Feb 20 17:54:21 UTC 2014 i686 i686 i386 GNU/Linux

 -- Looking for connection...
 -- Got network connection!
 -- Checking URL...

 >> Reading configuration...

/usr/lib/prey/core/functions: line 40: modules_url: readonly variable
 -- Frequency in sync (40).
 -- Automatic updates are disabled.

 >> Verifying status...

 -- Got status code 200!
 -- Nothing to worry about. :)

 -- Cleaning up!

Prey control panel does report the system having checked in. According to prey website v0.5.3 is very old.