Previously thought limited to Apple and Google browsers, the flaw leaves communications between affected users and websites open to interception.
Updated iOS app lets you send secure group, text, picture and video messages to other Apple mobile devices, and to Android users who have the TextSecure app.
We get to grips with Silent Circle's Blackphone+, a tablet built to foil hackers and spies.
BARCELONA -- Silent Circle's locked-down smartphone has a 5.5-inch display and sports an octa-core processor. Take a look in our hands-on photos.
But under federal law, health insurance companies don't have to encrypt user data.
Google has taken its first step to flag ordinary sites like Wikipedia and CNN with a security warning because they are unencrypted, allowing all data transmissions to be viewed by the prying eyes of hackers or governments.
David Cameron faces criticism for vowing to target encrypted messaging apps, and President Obama stirs up privacy concerns with his latest plan to fight cybercrime.
Asking whether terrorists should be given safe spaces to talk, David Cameron pledges to tighten laws that could challenge WhatsApp and other messaging apps.
In a bid to make the Web a safer place, Mozilla's security team proposes making encrypted connections necessary for using new Web technologies. Google's Chrome team has a similar idea.
Secure network connections protect people against snooping and criminals, but it's a hassle for websites. Mozilla, Cisco, the Electronic Frontier Foundation and others want to change that.