The Triangulation cyber espionage tool uses outstanding stealth techniques after infection of smartphones "the victim receives an invisible iMessage attachment with a zero-click exploit". First use of Canvas fingerprinting. Daws a pink triangle and checks a "checksum" based on hardware-linked output. Likely identifying a device.

Capable to turn on the microphone... It can location (GSM/GPS). Attackers "used private undocumented APIs"?https://securelist.com/triangulation-validators-modules/110847/