Using the default username of admin for your WordPress login name is a security risk.
In the evil world of malicious hackers they all know that the default username of WordPress is admin. Unfortunately, they take advantage of this.
I came across this video of a malicious hacker who created a so-called “tutorial” video on how to break into website using Google and the username of admin.
FYI: Before playing the video below, please note that this is not my video. I happen to find it on YouTube and wanted to show you why you need to stop using the username of admin for any of your websites.
Pretty scary, huh?
Are you using admin as your username on your WordPress blog? How about another website you own? If you're using the username of admin change or remove it now to help protect your WordPress blog.
Securely yours,
Regina Smola
WordPress Security Expert
Follow on Twitter @WPSecurityLock
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Thanks Regina for this important reminder! Can’t stress enough how much of a pain it is to have your website hacked and every little thing we can do to avoid it helps. Thank you! ~Norma
This is because those hacked websites are not protected against sql injection, which is not the case for wp.
Anyway, you are right about the username. Not a good idea to keep it admin.
Here’s a security tip I found to protect against that type of attack:
http://www.youtube.com/watch?v=e4EYkoLlSq0&feature=relmfu