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University of California tells students not to use WeChat, WhatsApp in China

CNN 2019-01-11 11:36:09

Hong Kong (CNN)Students and faculty at the University of California (UC) have been warned not to use messaging apps and social media while visiting China, for fear their communications could be used against them by the country's law enforcement agencies.

Meng, who was detained in Vancouver and is currently

on bail

, is facing possible extradition to the US on suspicion of violating US sanctions against Iran.

Since her arrest, multiple Canadians have been detained in China and two -- Michael Spavor and Michael Kovrig -- are being investigated on suspicion of "activities that endangered China's national security," charges which supporters say are

politically motivated

.

"While the use of WhatsApp, WeChat and like messaging apps are legal in China, we have seen in the latest espionage charge of a US citizen in Russia where the use of WhatsApp has been cited in his espionage charges," read an email seen by CNN.

"Our concern here is the possibility China could use this condition similarly against western travelers to levy charges or as an

excuse to deny departure

. We recommend not using these messaging apps in China at this time."

Representatives for WeChat and WhatsApp did not immediately respond to a request for comment.


'Exercise increased caution'

A spokeswoman for UC Davis confirmed staff and students at the campus had received the email, after the news was first

reported

by the South China Morning Post. Students at UC Berkeley also received the email.

"UC Davis Global Affairs routinely posts links to State Department travel advisories and CDC (Centers for Disease Control) health advisories for places where our faculty, staff and students travel," the spokeswoman told CNN.

The email was sent by Gary Leonard, an executive director with UC's Risk Services department, under the Office of the President. Leonard, who is traveling, did not immediately respond to an emailed request for comment. A spokeswoman for the Office of the President also did not respond.

Leonard's guidance -- which has not been posted to UC's website and appears not to have been received by all students -- was sent along with a

general alert

issued last week by the US State Department to all citizens in China.

That alert, raising the threat level from 1 to 2 on a four point scale, advised Americans to "exercise increased caution in China due to arbitrary enforcement of local laws as well as special restrictions on dual US-Chinese nationals."


'Do not sign anything'

China has always had a slightly uneasy relationship with foreign students.

While around half a million

international students

live in the country, and numerous prestigious Western institutions run or partner with universities in China -- including New York University, Duke University and the University of Liverpool -- foreign academics in particular have also been treated with suspicion.

In 2016, a propaganda poster released as part of National Security Education Day warned Chinese citizens that

handsome foreigners could be seeking to steal sensitive information

.

The comic book-style poster showed a female named Xiao Li, being showered with compliments, red roses, fancy dinners and romantic walks in the park by David, a "visiting scholar researching issues about China" who persuades her to share internal government documents.

Academics and even some students visiting China have complained about being watched and followed by police, or dragged in for questioning about their research and who they are speaking to in the country.

As well as warning "do not sign anything," the new UC guidance instructs staff to "be cautious of lengthy Q&A or interrogation to avoid inadvertently providing any information that may be distorted to deny departure or facilitate an arrest."

In the past, concerns have mainly focused on people's public pronouncements or statements to the authorities, but the new guidance suggests officials are concerned that even private comments could be used against academics and students.


'New level of suppression'

UC's concerns would appear to be well founded. China is increasingly cracking down on previously tolerated spheres of dissent, with even private comments being policed.

In recent months, the authorities have "detained or summoned dozens or more (Chinese) Twitter users, forcing them to delete sensitive tweets or close their accounts,"

according to Human Rights Watch (HRW)

. "In some cases, authorities appear to have hacked accounts themselves."

Twitter is blocked inside China and while a tiny number of Chinese dissidents and activists do use the platform, their influence is limited and in the past they were mostly ignored by the authorities.

While tweets are public, the Chinese authorities have in the past also pursued people for things they say in private, particularly on Tencent's messaging app WeChat, which has a track record of conforming with government censorship and surveillance.

In a report on privacy protections in messaging apps, Amnesty International

ranked

Tencent zero out of 100, and WeChat has been

accused

of reading users' messages and storing data. While Tencent has denied reading messages, under a new Chinese cyber security law, tech firms must store logs and relevant data for at least six months and provide them to the authorities when requested.

"Numerous instances have shown that Chinese authorities have access to private chats on WeChat," HRW's Yaqiu Wang told CNN.

"The crackdown on Chinese Twitter users and the punishment leveled against WeChat users for their private messages show that authorities have become increasingly intolerant of speeches that are either private or anonymous."

While WhatsApp -- which boasts end-to-end encryption and overseas servers without a backdoor for the Chinese authorities -- is in theory far more secure than WeChat or other Chinese messaging apps, if authorities are able to

compromise a target's phone

with malware or

other methods

, encryption will not protect them.

Experts have long warned against using WeChat for anything sensitive, even as the sheer dominance of the app makes it difficult to avoid entirely in China.

"It's not an exaggeration to say I live in and work on WeChat," New York Times technology columnist Li Yuan

wrote recently

, adding that surveillance fears are "just the way of life."

"The reality is that ordinary Chinese often feel powerless and fatalistic when it comes to censorship and surveillance," she said.