[Sussex] (OT)IE and url handling

[dominic.clay at btopenworld.com]

834489 - Microsoft plans to release a software update that modifies the default behavior of Internet Explorer for handling user information in HTTP and HTTPS URLs:
 
http://support.microsoft.com/default.aspx?scid=kb;en-us;Q834489

What do you think of  this?  Is it making systems safer, or does it break a Specification (RFC)????

Dominic