i wonder if iphones can be tricked to add adversarial phone numbers to contacts, if and how this can be weaponised? i wonder if Apple already vendor-responded to this, or did they take the blame.

https://www.theguardian.com/us-news/2025/apr/06/signal-group-chat-leak-how-it-happened

Exclusive: how the Atlantic’s Jeffrey Goldberg got added to the White House Signal group chat

Internal investigation cleared the national security adviser Mike Waltz, but the mistake was months in the making

The Guardian
@stf oeh interesting. Using white text on white background with a miniscule font with contact details hiding in the middle of an email directly comes to mind.
The tricky part would be to get the target contact to forward that snippet to the victim.