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BEIJING, Dec. 23 (Xinhua) -- The personal information of more than 6 million Internet users on CSDN, or China Software Developer Network, the country's largest programmers' website, was leaked by hackers, raising concerns about web security and triggering widespread panic.The leak was first exposed by China's leading anti-virus software provider, Beijing-based Qihoo 360, on Wednesday. The company said the leak included user IDs, passwords and e-mail addresses in clear text.The hacking case escalated on Thursday after the personal details of subscribers to more websites, including popular online gaming and social networking sites, were leaked.Online media reports said the personal data of up to 50 million Internet users has been leaked so far, but the number could not be independently verified.In response, the National Computer Network Emergency Response Technical Team/Coordination Center of China (CNCERT/CC) issued a statement Thursday, saying the CSDN's user data bank that leaked on the Internet was created before April 2009 and the passwords were stored in clear text, but the passwords had been encrypted after the data bank was upgraded in April 2009."Therefore, similar security problems have not been found in the newest user data bank," the statement said.Technical experts are investigating how many websites and users were actually involved in the hacking case, said Zhou Yonglin, director of the CNCERT/CC Operating Department."False information and exaggerations cannot be ruled out," he said.Nevertheless, CNCERT/CC has ordered CSDN to take immediate action in repairing the system hazards and providing users with timely security solutions.Computer security experts at Qihoo 360 believe the leak has spread to other websites."Many Internet users have registered the same passwords for their e-mail, microblog, online gaming and online payment accounts, so, if the server of one of the websites is hacked, their accounts and passwords on other websites would also be stolen," said Qihoo 360's Dr. Shi Xiaohong.Police authorities in Beijing told Xinhua on Friday that an investigation has been launched.WEB SECURITY IN QUESTIONDisgruntled Internet users in China rushed to change their passwords after the leak occurred, the largest of its kind in the history of China's Internet development."It is very annoying. I had to spend almost an hour changing the passwords of all my online accounts, especially those for payment accounts," said Li Xing, a white-collar worker at a technical company in Beijing.

BEIJING, Jan. 1 (Xinhua) -- State Grid Corporation of China (SGCC), the country's largest power supplier, said Sunday it has put to trial operation a cross-border electricity transmission project in northeastern Heilongjiang province to supply Chinese with Russia's electric power exports.The electric power SGCC purchased from Russia began reaching Chinese customers late Saturday night after the completion of the direct-current back-to-back networking substation, or called "the trans-Amur project" by Russians, SGCC said in a statement on its website.The trial operation will last 168 hours, SGCC said in the statement.With a transmission capacity of 750 mega-watts, the electricity transmission project is China's biggest cross-border power line, according to SGCC."The implementation of the project will gain experience for the expansion of Sino-Russian energy cooperation and help promote the economic development for both countries," SGCC said.The project is also part of the Sino-Russian energy and trade cooperation.Russian Deputy Energy Minister Andrei Shishkin said in June 2011 that the transmission project would increase Russia's power supply to five or six billion kilowatt hours of electricity to China and Russia intended to increase its electricity supply to China in the coming years.Russian companies plan export 60 billion kwh of electricity to China by 2020. Power plants will be built along its border with China to reduce power transmission losses and reduce transportation costs.Also on Sunday, an oil pipeline linking Russia's far east and northeast China witnessed its one year anniversary of operation, as operators announced an accumulated 15 million tonnes of oil had been transported into China in 2011.

KUNMING, Dec. 11 (Xinhua) -- By moonlight, Ma Yuanqiong, a grassroots AIDS prevention practitioner, and her colleagues slipped into a large community of migrant workers in the city of Jinghong in southwest Yunnan province.As usual, they were greeted tepidly. A dozen sex workers living in the community came to obtain free condoms and brochures on AIDS prevention and quickly dispersed."We visit these women every week. They are familiar with us, but rarely talk about themselves," said Ma, who is in charge of an AIDS prevention program targeting sex workers in Jinghong. The program was initiated by Fuhua International, a local NGO.Sex workers are highly sensitive and vigilant due to safety concerns, since sexual services are illegal in China, Ma said. They have become harder to find since local police started a persistent crackdown on prostitution two years ago and drove many sex workers underground, she said.INACCESSIBILITY IMPEDES EFFORTSJinghong is located in Xishuangbannan Dai autonomous prefecture. Bordering Laos and Myanmar, it's a famous tourist city where the underground sex industry thrives.The AIDS prevention program, which began in 2006, is aimed at improving sex workers' awareness of the epidemic -- which is primarily sexually transmitted -- and prompting them to change risky behavior.In the beginning, program workers quickly realized they faced a significant challenge. "We were often rejected, or even threatened when trying to get in touch with the sex workers at first," Ma said.But the practitioners persisted, approaching nonjudgmentally and treating them as friends, and eventually their efforts began to pay off.During the past five years, the program has provided free condoms and AIDS consulting services to more than 400 sex workers aged 14 to 58 and from many parts of the country, according to Ma.The program has even helped several sex workers give up the business and pursue legitimate careers.However, the organization currently only keeps in touch with about 100 sex workers and has found it more difficult to reach more.The police crackdown has made the sex workers, especially low-paid street hookers, more mobile and less visible, and Ma pointed out that low-paid sex workers are in greater need for outreach as they are more vulnerable to HIV infection than their their higher-paid counterparts."Low-level sex workers are at a heightened risk, as they and their clients, mainly migrant workers and the elderly, all have insufficient knowledge of the disease," she said.According to statistics provided by the provincial disease control and prevention center (CDC) of Yunnan, about 1.6 percent of sex workers in Yunnan have contracted HIV, while the ratio among the low-level group is 3 percent.By the end of October, Yunnan reported 93,567 HIV carriers and AIDS patients, the most among all provinces, autonomous regions and municipalities."We conducted a survey in Jinghong and neighboring Menghai County at the end of 2008 and found that low-level sex workers almost never used condoms then," said Kang Jun, head of the HIV/AIDS prevention and treatment office in Xishuangbanna.The survey also found that the low-level sex workers only charged about 20 yuan (3.2 U.S. dollars) for each service, and every day they received 16 clients on average, according to Kang.Ahead of the police crackdown, Kang and his colleagues had provided HIV testing services for more than 30 low-level sex workers, and the results showed that two of them had been infected by the virus."The testing work was forced to halt as the crackdown began soon and we could hardly find them," Kang said.The good news, he said, was that the local CDC will launch a four-year investigation on sex workers in Xishuangbanna next January as part of a massive state-funded research project.

BEIJING, Oct. 6 (Xinhua) -- China's first space lab module were in good condition and all tests went on "smoothly" during the past week, according to a statement issued by the country's space project authorities Thursday.The unmanned module, Tiangong-1, or Heavenly Palace-1, blasted off on Sept. 29 from Jiuquan Satellite Launch Center in northwest China's desert area.Tiangong-1 switched to the orbit of 362 kilometers high and had orbited the Earth for 109 times by 6:00 p.m. Thursday, the statement said.Tests on the module's remote control system, video/audio equipments, temperature/humidity sensors, docking facilities and other functions had been conducted successfully, it added.It also revealed that the Jiuquan Launch Center and other units were preparing for the launch of the Shenzhou-8 unmanned spacecraft, which is scheduled to join the Tiangong-1 later this year.Shenzhou-8 and Tiangong-1 are expected to perform China's first space docking at a height of 340 kilometers above the earth's surface.

BEIJING, Nov. 26 (Xinhua) -- Joint police patrols along the Mekong River will kick off in mid December to restore security after a deadly attack to Chinese ships in October.Chinese police will start patrols along the river with Laos, Myanmar and Thailand, said a statement from the Ministry of Public Security here Saturday.No exact date was given, but the first joint patrol will be carried out before Dec. 15, said the statement, issued after a ministerial meeting of four countries held in Beijing.Police from the four will work together to restore shipping and guarantee security along the river, the statement said.Shipping on the Mekong River has been suspended since two cargo ships were attacked on Oct. 5, resulting in the murder of 13 Chinese sailors.A headquarters for the initiative will be founded in China and there will be a coordination office in each of the other three countries. They will be linked by a round-the-clock communication mechanism, the statement said.China will assist Laos and Myanmar police in terms of training and equipment, the statement said.Police departments of the four countries will also set up a coordination team to work out more security measures along the Mekong River, it added.