The Cyberspace Administration of China also said it supports overseas listings, and that the aim is to ensure that data is not abused by foreign governments.

"We cannot and should not legitimise the use of an app which has been described by tech experts as `essentially Chinese Government spyware,`" said a letter by six politicians.

"This hack is a retaliation of the attacks on the Taiwan presidential website," said the post, with photos of Pelosi and Taiwan President Tsai Ing-Wen posted on the website.

Representative Jerrold Nadler, chair of the House judiciary committee, said that "three hostile foreign actors" had attacked the courts' document filing system

The announcement on Thursday by the Cyberspace Administration of China followed a year-long investigation into Didi's collection and use of its customer data

Officials say penalty will mark end of year-long probe into group's operations, cybersecurity practices and handling of personal data. Didi would then be able to list in Hong Kong, report says.

TikTok is likely harvesting the data from troops to understand US army strategy and the locations of military barracks, said the Federal Communications Commission.

A report by the Wall Street Journal, citing sources familiar with the matter, said that Shanghai authorities had summoned executives from Alibaba's cloud division in relation to the data breach.

TikTok said its staff in China were able to access Australian users' data but added that "our security teams minimise the number of people who have access to data"

Hikvision, Dahua and Huawei facial recognition cameras are being installed in cities across Myanmar by its military government, with hundreds more to come, sources say.

The rules will govern how companies and other entities handle large quantities of personal user information, the Cyberspace Administration of China (CAC) said

"The Chinese government is set on stealing your technology — whatever it is that makes your industry tick—and using it to undercut your business and dominate your market," says the FBI.