It's also important to change your password and admin username if you are helped by someone and needs admin username and your password to login to do the work. After all of the work is complete, admin username and your password changes. If the person is trustworthy, someone in their company might not be. Better to be safe than sorry!
I back my blogs using a free plugin WP DB Backup up. I will always restore my website if anything happens. I use my site to be scanned by WP Security Scan plugin regularly and WordPress Firewall to block requests to fix wordpress malware scanner.
There are numerous ways to pull this off, and a lot involve copying and FTPing files, exporting and re-establishing much more and databases. Some of them are very complicated, so it is important that you go for the one that is right. Then you may want to look into using a plugin for WordPress backups if you are not of the technical persuasion.
It represents a task while it's an odd term : making a WordPress copy of your website to work on offline, or in the event something should website link go amiss. We're not only being obsessive-compulsive here: servers go down every day, despite their promises of 99.9% uptime, and if you've had this happen to you, you understand the fear is it can cause.
Safety plug-ins that were all-Rounder can be thought of as a security checker that was full. They scan and check the site and give you information about the probable weaknesses of the website.
The plugin should be updated to stay current with the latest WordPress release, play nice and have WordPress cloning and restore capabilities. The ability to clone your website (along with regular backups) can be useful if you ever want to do an offline website redesign, among other things.