These are the top private messaging services we've tested to keep your conversations confidential from advertisers, governments, and any other prying eyes. I review privacy tools like hardware ...

Cryptography is a funny thing. Supposedly, if you do the right kind of maths to a message, you can send it off to somebody else, and as long as they’re the only one that knows a secret little thing, ...

On Sunday, Block CEO and Twitter co-founder Jack Dorsey launched an open source chat app called Bitchat, promising to deliver “secure” and “private” messaging without a centralized infrastructure. The ...

Healthcare-focused secure messaging company TigerText has raised $50 million led by Norwest Venture Partners with participation from Invus Group and Accolade Partners, as well as existing investors ...

Messaging and social media apps, including WhatsApp, Telegram, Signal, and Instagram displayed on a smartphone screen. - Thrive Studios ID/Shutterstock The freedom that an Android phone offers also ...

ZDNET experts put every product through rigorous testing and research to curate the best options for you. If you buy through our links, we may earn a commission. Learn Our Process 'ZDNET Recommends': ...