Q. Recently, I’ve become concerned about the privacy of sending email. What’s a cheap and easy way to protect my email messages? A. I’ve consistently preached that the use of unencrypted email is the ...

Encryption comes in different forms and has been used by different services for years. Messaging platforms such as WhatsApp and Signal use end-to-end encryption to safeguard messages, ensuring that ...

Every webpage you visit is encrypted in transit, and you get a nasty error message if you go to a page that doesn't have the magic https leading off its URL. Your ...