Graham Cluley is an expert in computer security. He has written the first version of the Anti-Virus Toolkit for Windows. He regularly makes media appearances on the topic of security and online privacy. Follow him on Twitter at @gcluley or drop him an email at http://www.mailonline.com/news/gloria-glory-brilliant-glorian-discovering-the-threats-and-beating-herself.”]
Source: https://grahamcluley.com/justin-bieber-cell-phone-number-facebook-scam/