I back my blogs frequently using a plugin WP DB Backup up. I can restore my blog if anything happens. I use WP Security Scan plugin to scan my site regularly and WordPress Firewall to block asks to fix malware problems free.
It is not unusual for blogs to suddenly be hacked by some person. In fact, even domains get hacked. If you aren't a programmer or a programmer, there's absolutely no way that you will actually understand anything about programming languages or codes. This is the reason why a number of the men and women who don't know anything wind up if there are some methods to safeguard their sites and investments thinking.
Keep control of your online assets - Nothing is worse than having your livelihood in somebody else's hands. Why take chances with something as important as your site?
Now it's time use this person's name and identity and to register for a new Facebook accounts. Once I get it all set up, I'll be telling you posing as your friend and asking you to be friends with me on Facebook (or Twitter, or whichever social site).
Do not use wp_ as a prefix for your databases. That default is being eliminated by web hosting providers but if yours does not, this fix wp_ to anything else but that.