Our website was hacked, the hacker used to manipulate our webmaster tools and verified as the owner of the site. Our website injected malware's.
We already setup security plugins, scanned and removed the malwares on the site and sent a reconsideration request to google.
There are a lot of spammy Japanese character in google result pages and damaged our seo. You can check it here https://www.google.com/search?hl=en&...arch&gws_rd=cr
Now my problem was, a lot of 404 pages in my site because hacker added spammy content on my site, my question is how did you guys implement 404 pages? Do you installed a 301 redirect plugin (if your using wordpress) or you implement to .htaccess?
Anyone here experience the same?