Senior cybersecurity official warns attacks on US are growing more ‘sophisticated frequent and aggressive’

A top Biden administration cybersecurity official warned that cyberattacks on the nation’s infrastructure are “growing more sophisticated, frequent and aggressive,” at a Tuesday hearing focused on a spate of recent incidents impacting the US.A top Biden administration cybersecurity official warned that cyberattacks on the nation’s infrastructure are “growing more sophisticated, frequent and aggressive,” at a Tuesday hearing focused on a spate of recent incidents impacting the US.