MS SQL Server is by far the most common DBMS that attackers target, probably due to its tight integration with Windows.

If you are using mixed authentication mode (“SQL Server & Windows Authentication Mode”) you are vulnerable. SQL Server 2000, 2005, and 2008, running on all supported Windows platforms.

Chinese cyberspies have developed malware that alters Microsoft SQL Server (MSSQL) databases and creates a backdoor mechanism that can let hackers connect to any account by using a "magic password ...

Microsoft warned of brute-forcing attacks targeting Internet-exposed and poorly secured Microsoft SQL Server (MSSQL) database servers using weak passwords.