Today's Mobile Device Security

Last July, the Mayor of Seoul was found dead by Seoul police. It was indicated that there was an investigation into sexual harassment against him at the time. His phone was found and has been submitted for evidence. https://www.upi.com/Top_News/ World-News/2020/11/10/Seoul- mayors-phone-submitted-for- mobile-device-forensics/ 6241605026422/

Is data truly gone forever? https://indianexpress.com/article/explained/can-data-deleted-from-your-phone-be-recovered-using-forensic-cloning-how-to-prevent-personal-data-misuse-6607853/