Poll: What are your biggest security concerns for SQL Server 2005?

I'm interested to hear what you consider the biggest potential security issues with SQL Server 2005.  I've asked previously about concerns regarding SQLCLR; today I'm widening the net and asking about the entire product.  If you have security concerns about SQL Server 2005, what are they?  No area is too small or too insignificant to be concerned about -- let's hear what you think.