On April 30, 2015 the Office of Personnel Management briefed Congress on a major incident involving the cyber theft of what would later be called the “crown jewels” the highly personal information on government employees with security clearances. The first Congressional oversight hearing took place twelve days later, which started a year-long investigation putting the agency under a microscope and ultimately led to the resignations of the director of OPM and its chief information officer.
Now, four years after the ink dried on the 241-page Congressional report excoriating the OPM leadership for years of mismanagement, SolarWinds is the latest “hack to end all hacks.”
Read more about White House says closely following Microsoft email breach by China hackers on Business Standard. The US government said it is closely following the breach of a Microsoft email application reportedly carried out by Chinese hackers, calling it an "active threat" with a "large number" of victims.