Overview of security, malware, and manual actions

The following topics describe how you can secure your site, prevent malware, and avoid manual actions.

Secure your site with HTTPS Learn what HTTPS is, how to implement HTTPS, and how to migrate from HTTP to HTTPS.
What is hacking or hacked content? Learn what hacked content is and how to fix a hacked site.
Malware and unwanted software Learn what malware and unwanted software is, guidelines for avoiding distribution of unwanted software, and how to fix problems related to unwanted software.
Preventing malware infection This article contains tips and pointers for preventing malware infection.
Social Engineering (Phishing and Deceptive Sites) Learn what social engineering is and how to fix it.
Google Safe Browsing Repeat Offenders Policy Google Safe Browsing helps protect users by showing warnings on dangerous sites or dangerous download files.
Verifying Googlebot You can verify if a web crawler accessing your server really is Googlebot (or another Google user-agent). This is useful if you're concerned that spammers or other troublemakers are accessing your site while claiming to be Googlebot.