“I was clear with President Putin that we could have gone further, but I chose not to do so,” Mr. Biden said at time, after calling the Russian leader.
Microsoft said it recently notified more than 600 organizations that they had been the target of about 23,000 attempts to enter their systems.
By comparison, the company said it had detected only 20,500 targeted attacks from “all nation-state actors” over the past three years.
American officials confirmed that the operation, which they consider routine spying, was underway.
But they insisted that if it was successful, it was Microsoft and similar providers of cloud services who bore much of the blame.
Putin, Mr, Biden, “, ” John Hultquist, we’ve, ”