How to Identify Malicious Code and Stop Web Defacement
In April of 2018, security researcher Kevin Beaumont discovered an interesting case of web defacement on the NHS Insights website. He’d expected to find data related to patient surveys about their experiences with the National Health Service. Instead, he found a very different kind of message. A review of the page’s cache suggested that this eerie music and imposing image had been in place for at least the previous five days.