Google has spotted some 16,500 newly infected websites each week over the past year — a total of around 800,000 compromised sites worldwide. 75% of webmasters who received emails from Google remediated their sites 62% faster (within three days) than those who didnt receive any tips on what to do post-breach and details of the infected pages. Google and Berkeley found that contacting a webmaster via email about his or her breached site was the best bet: 75% who were emailed during the study were able to fix their breached sites.”]
Source: https://www.darkreading.com/cloud/google-finds-800-000-websites-breached-worldwide