Thus far in 2015 we have seen a 180% increase in the number of sites getting hacked and a 300% increase in hacked site reconsideration requests. While we are working hard to help webmasters prevent hacks in the first place through efforts such as
Example “note from your reviewer” with detailed guidance and a custom example of hacked text and a hacked page
We have also completed our second #NoHacked campaign, with more detailed help on preventing and recovering from hacks. In the campaign, we focused on ways to improve the security on your site as well as ways to fix your site if it was compromised. You can catch up by reading the first post.
2. Better tools including auto-removal of some hacked manual actions
Last year we launched the “Fetch and Render” feature to the Fetch as Google tool, which allows you to see the website exactly as Googlebot sees it. This functionality is useful in recovering from a hack, since many hackers inject cloaked content that’s not visible to the normal user but obvious to search engine crawlers like Googlebot.