Generally speaking, web administrations utilize a scope of shields to keep the spread of kid porn, for example, shared hash records that keep a document on one website from being posted somewhere else. It's not sure what arrangements Telegram actualized, but rather the moderately short turnaround (its product was back inside hours) proposes it didn't require a central change.
The idea of the revelation may give some insight in the matter of how it was conveyed. Wire's bread and margarine is end-to-end scrambled informing, which should preclude a non-member straightforwardly catching the messages (counting Apple itself). The 9to5 group proposes that the material may have been made open through an outsider module. Your security ought to stay in place subsequently - Apple may have quite recently been sufficiently blessed to detect the despicable substance and make a move.