Regarding security in WordPress

Hi experts,

I know this might be asked few times. But i am asking because
I am using updated version of WordPress.
I have done all the security measures like
– not using wp_ has database table name
– not using admin as a superuser.
– secured folders, wp -admin , root folder

I am also using a security plugin to implement security in WordPress.
Wp security to limit login attempts.

Still there are too many “attacks” on my blogs/websites. I am using WordPress for last 4 years, but havent had any problems before.