Tags: APFN | AS | China | WhatsApp Disruption

China Users Report WhatsApp Disruption amid Censorship Fears

Tuesday, 18 Jul 2017 07:38 AM

BEIJING (AP) — Users of WhatsApp in China and security researchers have reported widespread service disruptions amid fears that the popular messaging service may be at least partially blocked by authorities in the world's most populous country.

WhatsApp users in the country reported Tuesday on other social media platforms that the app was partly inaccessible unless virtual private network software was used to circumvent China's censorship apparatus, known colloquially as The Great Firewall.

WhatsApp, which is owned by Facebook and offers end-to-end encryption, has a relatively small but loyal following among Chinese users seeking a greater degree of privacy from government snooping than afforded by popular domestic app WeChat, which is ubiquitous but closely monitored and filtered.

Questions over WhatsApp's status come at a politically fraught time in China. The government is in the midst of preparing for a sensitive party congress while Chinese censors this week revved up a sprawling effort to scrub all mention of Liu Xiaobo, the Nobel Peace Prize laureate who died Thursday in government custody.

A report this week by the University of Toronto's Citizen Lab detailed how Chinese censors were able to intercept, in real time, images commemorating Liu in private one-on-one chats on WeChat, a feat that hinted at the government's image recognition capabilities.

It appeared that pictures were also the focus of the move to censor WhatsApp. Late Tuesday, users in China could send texts over WhatsApp without the use of VPNs, but not images.

Nadim Kobeissi, a cryptography researcher based in Paris who has been investigating the WhatsApp disruption, said he believed The Great Firewall was only blocking access to WhatsApp servers that route media between users, while leaving servers that handle text messages untouched.

Kobeissi said voice messages also appeared to be blocked. But there was no evidence to suggest that Chinese authorities were decrypting WhatsApp messages, he added.

A Chinese censorship researcher known by his pseudonym Charlie Smith said that authorities appeared to be blocking non-text WhatsApp messages wholesale precisely because they have not been able to selectively block content on the platform like they have with WeChat, which is produced by Shenzhen-based internet giant Tencent and legally bound to cooperate with Chinese security agencies.

Because WhatsApp content is encrypted, "they have moved to brute censor all non-text content," Smith said in an email. "It would not be surprising to find that everything on WhatsApp gets blocked, forcing users in China to use unencrypted, monitored and censored services like WeChat."

Chinese foreign ministry spokesman Lu Kang said he had no information on the issue when asked by reporters.

Facebook, which owns WhatsApp, did not immediately respond to a request for comment. WhatsApp is one of the world's most widely used messaging services, with over 1.2 billion users.

In 2015, China blocked Telegram, another encrypted messaging service, after it became a popular platform for activists and dissidents to share information. China has also blocked Twitter, Facebook and YouTube for years, with officials arguing that foreign social media services operating beyond their control pose a threat to China's national security.

© Copyright 2017 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.

 
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Users of WhatsApp in China and security researchers have reported widespread service disruptions amid fears that the popular messaging service may be at least partially blocked by authorities in the world's most populous country.WhatsApp users in the country reported...
APFN,AS,China,WhatsApp Disruption
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2017-38-18
Tuesday, 18 Jul 2017 07:38 AM
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