End-to-end encryption is considered the remedy to most e-privacy issues out there. Theoretically, only the endpoint computers hold the encryption keys, while the company server passes the cryptographic keys along messages that it can`t intercept. An easy way to encrypt all your data at once is to use a VPN connection and send your sensitive information through it. But most importantly, it means intermediaries like Google and Microsoft cant send copies of data to authorities. The FBI are pleading to modify the law allowing authorities to wiretap communications companies to investigate suspects.”]
Source: https://www.bitdefender.com/blog/hotforsecurity/what-is-end-to-end-encryption-why-should-you-care/