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Don’t Enable TRUSTWORTHY on SQL Server

Jeff Iannucci shares good advice:

If you have ever used our free tool to check SQL Server security, you may have seen the check for the “TRUSTWORTHY database owned by sysadmin” show up as one of the highest of priority items, requiring action. When we started reviewing the security permissions and configurations for our clients’ instances, we didn’t expect to find it very often since TRUSTWORTHY database setting is off by default.

Unfortunately, this has been discovered with some frequency, and when combined with a few other common practices, it presents a tremendous vulnerability to escalate privileges for both authorized users and hackers.

Read on to learn more about this. And to supplement, I will once again link Solomon Rutzky’s outstanding guide on the topic.