https://www.reuters.com/article/us-facebook-security-exclusive/u-s-allies-urge-facebook-for-backdoor-to-encryption-as-they-fight-child-abuse-idUSKBN1WI22L >The United States, the United Kingdom and Australia have called on Facebook Inc to not go ahead with end-to-end encryption across its messaging services unless law enforcement officials have backdoor access, saying encryption hindered the fight against child abuse and terrorism.