When I was in college, one of my business instructors told us students that one of the biggest barriers to making money was procrastination.
WordPress is a system but applications has their flaws and security holes are located on WP. This is the reason why WP frequently releases new updates . Once any vulnerability was discovered by them, they provide a new update and immediately make some changes . First you have to comprehend the different areas where these plug-ins work to assist you protect your investment, if you want to know more about the best fix hacked wordpress plugin.
Backup plug-ins is also important. You need to backup all the database and files you can easily bring your blog back like nothing.
1 thing you can take is to delete the default administrator account. This is critical because if you don't do it, malicious user know a user name which they could attempt to crack.
Black and pathological-looking phrases that were whitelists based on which area they look inside, in a page request. (unknown/numeric parameters vs. known post bodies, view it comment bodies, etc.).
Don't use wp_ as a prefix for your own databases. Most web hosting providers are currently eliminating that default but if yours does not, fix wp_ to anything but that.