If Ashley Madison can get hacked, any site can. It just happened here and it wasn’t pretty. Thankfully, I’d backed up the database and files very recently but while it didn’t take too long to fix, it was a real pain.
Some quick tips for WordPress:
1. Make sure your WordPress version is up to date
2. Update all your plugins
3. Back up your files and database regularly
4. Use strong passwords
5. Install a firewall plugin and scan your WordPress site for problems.
Get in touch for more info or help with backing up your website.