IBM SurePOS 500 has (1) a default password of "12345" for the manager and (2) blank default passwords for operator accounts.Referenceshttp://osvdb.org/45835http://isc.sans.org/diary.html?storyid=3323http://www.collegeid.com/SurePOS%20500%20Manual.pdfhttp://www.hackerfactor.com/papers/cc-pos-20.pdf