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Facebook Goes End To End

July 18, 2016 by  
Filed under Security

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Facebook Inc announced that it began testing end-to-end encryption on its popular Messenger application to prevent snooping on digital conversations.

The limited testing on Messenger, which has more than 900 million users, comes three months after Facebook rolled out end-to-end encryption to its more popular WhatsApp, a messaging application with over 1 billion users that it acquired in October 2014.

The move comes amid widespread global debate over the extent to which technology companies should help law enforcement snoop on digital communications.

End-to-end encryption is also offered on Apple Inc’s iMessage platform as well as apps including LINE, Signal, Viber, Telegram and Wickr.

Facebook Messenger uses the same encryption technology as WhatsApp, which uses a protocol known as Signal that was developed by privately held Open Whisper Systems.

“It seems well designed,” said Matthew Green, a Johns Hopkins University cryptologist who helped review an early version of the protocol for Facebook.

While WhatsApp messages are encrypted by default, Facebook Messenger users must turn on the feature to get the extra additional security protection, which scrambles communications so they can only be read on devices at either end of a conversation.

Facebook said that it was requiring users to opt in to encryption because the extra security is not compatible with some widely used Messenger features.

“Many people want Messenger to work when you switch between devices, such as a tablet, desktop computer or phone,” the company said in an announcement on its website. “Secret conversations can only be read on one device and we recognize that experience may not be right for everyone.”

Facebook also said that Messenger users cannot send videos or make payments in encrypted conversations.

Courtesy-http://www.thegurureview.net/aroundnet-category/end-to-end-encryption-comes-to-facebook-messenger.html

Twitter Tightens Security

December 2, 2013 by  
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Twitter Inc said it has put in place a security technology that makes it harder to spy on its users and called on other Internet firms to do the same, as Web providers look to thwart spying by government intelligence agencies.

The online messaging service, which began scrambling communications in 2011 using traditional HTTPS encryption, said on Friday it has added an advanced layer of protection for HTTPS known as “forward secrecy.”

“A year and a half ago, Twitter was first served completely over HTTPS,” the company said in a blog posting. “Since then, it has become clearer and clearer how important that step was to protecting our users’ privacy.”

Twitter’s move is the latest response from U.S. Internet firms following disclosures by former spy agency contractor Edward Snowden about widespread, classified U.S. government surveillance programs.

Facebook Inc, Google Inc, Microsoft Corp and Yahoo Inc have publicly complained that the government does not let them disclose data collection efforts. Some have adopted new privacy technologies to better secure user data.

Forward secrecy prevents attackers from exploiting one potential weakness in HTTPS, which is that large quantities of data can be unscrambled if spies are able to steal a single private “key” that is then used to encrypt all the data, said Dan Kaminsky, a well-known Internet security expert.

The more advanced technique repeatedly creates individual keys as new communications sessions are opened, making it impossible to use a master key to decrypt them, Kaminsky said.

“It is a good thing to do,” he said. “I’m glad this is the direction the industry is taking.”

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