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Home / Business

WhatsApp moves to encrypt data for millions

Washington Post
19 Nov, 2014 02:15 AM3 mins to read

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Photo / Getty

Photo / Getty

WhatsApp, the world's most popular instant messaging platform, has begun encrypting all its data by default, a move that privacy advocates say would aid dissidents and human-rights activists seeking to protect their communications from governments and hackers alike.

Open Whisper Systems, a group of software developers, said on Tuesday it had partnered with the Silicon Valley company to build in end-to-end encryption that will make it impossible for foreign governments as well as US agencies to intercept text messages, even with a warrant.

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The move follows announcements by Apple and Google that they were encrypting by default data stored on iPhones and Android devices.

Law enforcement officials have warned that the encryption is hobbling legitimate investigations of criminal suspects, and FBI Director James Comey said recently that the "post-Snowden pendulum has swung too far," referring to tech companies' reactions to the revelations of widespread government surveillance by former National Security Agency contractor Edward Snowden.

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WhatsApp's decision is likely to have a more significant impact on people and governments overseas, analysts said, as most of its 600-million-plus users are outside the United States. The company already has begun encrypting instant messages sent on Android devices, according to Open Whisper Systems.

"We have a ways to go until all mobile platforms are fully supported, but we are moving quickly towards a world where all WhatsApp users will get end-to-end encryption by default," Open Whispers said in a blog post.

Moxie Marlinspike, a San Francisco-based technologist who founded Open Whisper Systems, said the group's goal is to make simple the sometimes cumbersome process of ensuring communications stay private.

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"From celebrity nudes to Iranian dissidents, private communication is valuable for everyone," Marlinspike said.

Read also:
• Apple issues security warning for iCloud

Founded in 2009 by two former Yahoo employees and now owned by Facebook, WhatsApp is used on a wide range of mobile phones, from the iPhone to Nokia to BlackBerry to Windows Phone.

Open Whisper Systems received grants from the US government, including from Radio Free Asia, and from a number of foundations to help the group develop the TextSecure encryption protocol. The encryption is open-source, free and available online.

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Such tools align with a major goal of US foreign policy, which is Internet freedom. In 2010, then-Secretary of State Hillary Rodham Clinton urged countries to respect privacy and speech rights online. Since then, the State Department has funded the creation of privacy tools, including encryption technology, to allow people to hide their communications from oppressive governments.

"Encryption is the single-most important cybersecurity tool," said Peter Swire, a former White House privacy official who teaches law at the Georgia Institute of Technology. "We can't begin to have effective cybersecurity unless we have wider use of encryption."

Andrew Weissmann, a former FBI general counsel who now teaches at New York University School of Law, said network security issues are not the only consideration. "You also have law enforcement and national security issues," he said. "There's no perfect solution." The issue, he said, is "how can each side minimise the risk?"

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