What is WordPress cloning and why is it an extremely useful tool? Most people think this is a dishonest technique for copying websites to garner more link traffic and love, and while that might have been accurate (and useful!) Previously, this is an entirely different endeavor.
I back up my blogs regularly using a plugin WP DB Backup. I will restore my website to the last settings if anything happens. I use WP Security Scan plugin to scan my blog and suspicious-looking asks to be blocked by WordPress Firewall to how to fix hacked wordpress.
No software system is immune to vulnerabilities and bugs. Security holes will be found and guys will do their best to exploit them. Keeping your software up-to-date is a fantastic way to stave off attacks, once security holes are found because their products will be fixed by reliable software sellers.
A snap to move - If, for some reason, you want to relocate your site, like a domain name change or a discover this new web host, getting your files at your fingertips can save you oodles of time, headache, and the need for tech help.
Phrases that were whitelists and black based on which area they appear within, in a page request. (unknown/numeric parameters vs. known post bodies, comment bodies, etc.).
Don't use wp_ as a prefix for your databases. Web hosting providers are currently removing that default now but if yours doesn't, fix wp_ to anything else but that.