Last week, a report surfaced that British Galaxy S10 user, Lisa Neilson discovered a fingerprint scanner vulnerability that would let anyone access her device through a vulnerability with the ultra-sonic fingerprint sensor. Cheap silicone screen protectors have dot matrices so the clear protector wouldn't stick to the smooth glass. This caused a malfunction with the ultra-sonic in-display fingerprint sensor. In practice, enrolling your fingerprint doesn't work through such a case, except it did. It was enrolling the pattern on the silicone cover and not from a user's finger, so when...
Source: https://www.gsmarena.com/samsung_issues_statement_following_reports_of_fingerprint_vulnerability_on_s10__note10-news-39708.php
