WhatsApp has not received a TCN itself, a spokesperson said. WhatsApp has previously threatened to withdraw its service from the UK if any attempt was made to undermine its encryption.

Caroline Wilson Palow, legal director at Privacy International, said WhatsApp’s intervention “demonstrates the breadth of impact of these orders, which could potentially undermine services used by billions of people.” She added: “This rising tide of dissent cannot be ignored.”

https://www.ft.com/content/e870f111-e3a4-41dc-b6fb-f749ca51fa2e