On Sunday 21 April, the European police cooperation agency Europol and the heads of all the European national police forces launched an “appeal to industry and governments” to “take urgent measures” to do away with the end-to-end encryption used by messaging services such as WhatsApp and Signal, according to several European media.
With end-to-end encryption, used to protect private communications, “companies will not be able to respond effectively to a lawful authority. Nor...