Earlier today we reported about a security problem in WhatsApp that means it is possible for messages to be intercepted and read by others. The so-called 'backdoor' takes advantage of the fact that WhatsApp's implementation of end-to-end encryption makes it possible to resend encrypted messages using different security keys, allowing for third parties to read them. What is concerning many people is the fact that (by default, at least) WhatsApp does not alert users when a message is resent using a different key -- which would be a warning of something going on. Here's what you need to do to… [Continue Reading]