European Commission chief Ursula von der Leyen voiced skepticism Friday over involving Chinese tech giant Huawei in the rollout of Europe's 5G networks amid concerns its equipment could be used for spying by Beijing.

About a decade after co-founding Uber, Travis Kalanick on Tuesday severed his last ties with the ride-hailing giant, announcing he would exit the board of directors at the end of 2019.

A wave of internet outages was imposed in Iran Wednesday, ILNA news agency reported, a day before commemorations called for on social media for those killed in unrest last month.

Russia carried out tests Monday to ensure the "security" of its internet infrastructure in case of a foreign cyberattack as part of measures that rights activists worry could also tighten censorship and lead to online isolation.

Twitter said Friday it suspended thousands of accounts linked to a "state-backed" manipulation effort stemming from Saudi Arabia.

The online service said nearly 6,000 accounts being blocked were linked to Saudi "information operations" in violation of Twitter's platform manipulation rules.

Chinese telecommunications group Huawei is working on a plan to build its own components at a site in Europe, its chairman told AFP, as the 5G leader strives to overcome US sanctions.

Will Amazon's Alexa, Apple's Siri and Google Assistant finally get along?

Chancellor Angela Merkel on Wednesday said she was not aware of any pressure from Beijing to include Huawei in Germany's 5G rollout, amid concerns that the Chinese telecoms giant could be used for spying.

Australia's government on Thursday announced a new taskforce to monitor the actions of tech giants such as Facebook and Google but stopped short of a major clampdown recommended by the country's consumer watchdog.

U.S. Treasury Secretary Steven Mnuchin is urging countries like France to suspend taxes on global computing giants such as Google and Amazon and wait for a negotiated agreement on international taxation, according to a letter released Wednesday.