Also, one thing that was pointed out in that article back when it was raised: as the company controls the application you install, and as the application neds to decrypt the data for you, there is nothing stopping it from processing the E2E-encrypted message and requesting the scan for any URL found from a central MS server. The same is true for Signal, Whatsapp and iMessage for that matter (and others).
Also, one thing that was pointed out in that article back when it was raised: as the company controls the application you install, and as the application neds to decrypt the data for you, there is nothing stopping it from processing the E2E-encrypted message and requesting the scan for any URL found from a central MS server. The same is true for Signal, Whatsapp and iMessage for that matter (and others).