Volume of encrypted email rising amid spying fears

Published on NewsOK Modified: June 3, 2014 at 6:00 pm •  Published: June 3, 2014
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SAN FRANCISCO (AP) — The volume of email cloaked in encryption technology is rapidly rising as Google, Yahoo, Facebook and other major Internet companies try to shield their users' online communications from government spies and other snoops.

Google and other companies are now automatically encrypting all email, but that doesn't ensure confidentiality unless the recipients' email provider also adopts the technology.

In an analysis released Tuesday, Google Inc. said that about 65 percent of the messages sent by its Gmail users are encrypted while delivered, meaning the recipient's email provider also supports the technology. That's up from 39 percent in December. Incoming communiques to Gmail are less secure. Only 50 percent of them encrypted while in transit, up from 27 percent in December.

Encryption reduces the chances that email can be read by interlopers. The technology transforms the text into coding that looks like gibberish until it arrives at its destination.

Google and other Internet services rely on a form of encryption known as Transport Layer Security, or TLS. Security experts say that encryption method isn't as secure as other options. But encryption that is tougher to crack is also more complicated to use.

Gmail, with more than 425 million accounts worldwide, was one of the first free email services to embrace TLS. Yahoo, Facebook and AOL also are encrypting their email services. Microsoft Corp., whose stable of email services includes the Outlook, MSN and Hotmail domains, has started encrypting many accounts as part of transition that won't be completed until later this year.

Less than half of the correspondence from Hotmail accounts to Gmail wasn't encrypted as of late May, Google said. Security is even worse at Comcast.net and Verizon.net, where less than 1 percent of the traffic coming to and from Gmail is encrypted, according to Google.

Comcast spokesman Charlie Douglas said the Internet service provider plans to start encrypting email to and from Gmail accounts within the next few weeks. Microsoft reiterated that it is still rolling out encryption in its free email services.

Verizon didn't have an immediate comment on Google's statistics.

The Google report comes a year after the first wave of media reports about the U.S. government's intrusive techniques to monitor online communications and other Internet activity. The National Security Administration says its online surveillance focused on people living outside the U.S. as the agency tried to defuse threats of terrorism.

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