If you think all the advice not to use the "admin" username in WordPress is unnecessary, take a look at this screen capture. It’s a small section of results from the Wordfence Logins and Logouts Live Traffic report for the WordPress site of one of our clients. (The site does not have an admin user, and its Wordfence options are set to lock out invalid usernames and to prevent users from registering the admin username if it doesn’t exist.)
PS: The reason I installed Wordfence was to clean up a hacked WordPress site and thwart future ones. It did the trick. Had I relied solely on my own efforts to address the issue, I would have been an old man before I found the cause and the solution. (Okay, I am an old man. I would have been a very old man.)
The nSiteful Tech Blog (the official blog of nSiteful Web Builders, Inc. since January of 2013) is where I (Jeff Cohan) and (occasionally) associates will be posting articles of potential interest to like-minded techies, nSiteful clients who are playing active roles in the maintenance of their own Web sites and blogs, and pretty much anyone interested in how Web strategies and tools can help them reach their goals.