More than 70 iOS apps are vulnerable to man-in-the-middle attacks where TLS connections can be intercepted and sensitive data stolen.

The Firefox browser will now deny TLS connections to servers using weak Diffie-Hellman keys.

Google last week announced changes in the way it will handle trusted Certificate Authorities in Nougat, the latest version of the Android operating system. The changes are expected to cut into the likelihood of a successful man-in-the-middle attack, or a device falling victim to an attacker-supplied custom certificate. This also takes a bit of pressure...