Andreas Wolter asks, what is in a name?
This is another one of those subjects that keep circulating: should you rename your sa account?
Plenty of “security check” scripts swear you should. Meanwhile, when you talk to actual humans in the real world, you’ll notice that almost nobody does it. (Funny how that works.)
So what does Sarpedon Quality Lab® recommend – and why? Our answer (read to the end) may surprise you.
Before reading Andreas’s post, I wanted to note that, when I was a DBA and had control of such things, I would actually rename the sa account and then create a separate account called “sa” with zero permissions, not even the ability to connect. I never considered it a critical part of a security posture, but knowing how many scripts try to brute-force an account called sa, I figured setting up a false front like that would add some protection on the margin.
After reading Andreas’s post, I wasn’t aware that doing so would break replication, though it makes sense because I wasn’t using replication at that time. Making sa’s password extremely long is also a good idea.
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