Apple installed security backdoors on 600 million iPhones, iPads: Researcher(timesofindia.indiatimes.com)
timesofindia.indiatimes.com
Apple installed security backdoors on 600 million iPhones, iPads: Researcher
http://timesofindia.indiatimes.com/tech/tech-news/Apple-installed-security-backdoors-on-600-million-iPhones-iPads-Researcher/articleshow/38894518.cms
TL;DR - user must explicitly approve such contacts, which are intended for remote support & diagnostics.