Factsheet Help! My website has been defaced

To deface a website the attacker changes the content of existing pages or adds new ones. Hundreds of websites are defaced every day, often without being specifically targeted. It is becoming increasingly common for defacements to leave behind malware, which may infect visitors to the website. That underlines the importance of preparing well for the resolution and communication of defacements.

This publication is no longer actively maintained by the NCSC. The information in this publication may therefore be out of date.