(CNN) Russian, Chinese and Iranian hackers have all attempted to hack people and organizations involved in the 2020 US presidential election , Microsoft said on Thursday. "The activity we are announcing today makes clear that foreign activity groups have stepped up their efforts targeting the 2020 election," Microsoft said in a post on its website. Chinese hackers targeted Vice President Joe Biden's campaign and at least one person formerly associated with President Donald Trump's administration. Hultquist noted how this particular Russian hacking group has been tied to devastating cyber-attacks and routinely violate international norms. ChinaChinese hackers unsuccessfully targeted the Biden campaign through non-campaign email accounts belonging to people associated with the campaign, Microsoft said.

Source: CNN September 10, 2020 18:45 UTC