Se lo dice David Litchfield, il guru della sicurezza DB

http://www.databasesecurity.com/dbsec/comparison.pdf

Presentazione Powerpoint http://www.argeniss.com/research/SQL-Oracle.zip

Dai grafici pure qui SQL Server 2005 risulta nettamente piu' sicuro ( 0 bachi contro decine in Oracle 10)

 

SQL Server 2005 Security

http://blogs.msdn.com/dtjones/archive/2006/11/21/oracle-security-once-again-in-the-spotlight.aspx
http://blogs.msdn.com/michael_howard/archive/2006/11/20/which-database-is-more-secure-oracle-vs-microsoft.aspx
http://blogs.msdn.com/michael_howard/archive/2006/11/16/microsoft-sql-server-runs-the-security-table.aspx
http://blogs.ugidotnet.org/stefandemetz/archive/2006/11/20/SQL_Server_2005_Safest_DB.aspx