The US government has attributed a significant cyber attack on several American telecommunications companies to China, impacting dozens of other countries as well. The White House reported that officials in Beijing may have gained access to private messages and calls of US citizens, raising concerns about the security of sensitive communications. While President Joe Biden has been briefed on the situation, the White House believes no confidential information was revealed. China has denied involvement, suggesting the US should cease its own cyber operations against other nations.

Source