Microsoft has implemented strong security features into the Microsoft® SQL Server™ 2005, which provides a security-enabled platform for enterprise-class relational database and analysis solutions. SQL Server 2005 provides cutting edge security technology and addresses several security issues, including automatic secured updates and encryption of sensitive data.
Download the SQL Server 2005 Security DataSheet from SQLAuthority.com
Download the SQL Server 2005 Security DataSheet from Microsoft.com
Reference : Pinal Dave (https://blog.sqlauthority.com)