Android Oreo users will need to grant permission to each app to allow it to download apps from untrusted sources. (zdnet.com)
However, some companies and hiring managers avoid attachments from untrusted sources due to the possibility of obtaining viruses from the attachment. (gcflearnfree.org)
Stephen Thorpe marked «File: Clover Mites.png» as untrusted on the «Bryobia praetiosa» page. (eol.org)