Don’t Waste Your Time On These 4 Common Security Tips

Following last week’s post about WordPress security, in this post, I’ll start with advice I see commonly in other places that I don’t see much point in doing. Most of this advice is nearly harmless to slightly beneficial if it’s done. But the reason I don’t recommend it is that its benefits (where they exist) are so small. And the possibility that spending time on them makes you ignore more-valuable security practices is big. You’re free to do these, but I just don’t think they’re worth the time invested because the gains they give are very small. Don’t Bother: Hide WordPress Version
We’re starting with the most useless piece of common security advice—that you should hide your WordPress version number, or that you’re using WordPress. The second is very hard to do in a serious way, and the first is basically valueless.
Hiding that you’re running WordPress is hard, and most people are trying to do it merely by changing or eliminating a <meta> tag in their site. No reasonably intelligent botnet builder is going to be relying on that, and many webmasters of non-WordPress sites report that they see people
Source: https://managewp.org/articles/17876/don-t-waste-your-time-on-these-4-common-security-tips

source https://williechiu40.wordpress.com/2018/09/17/dont-waste-your-time-on-these-4-common-security-tips/