The administration expects to make "concrete announcements" about tackling root causes of cyberattacks, a senior official said.

The hackers are exploiting businesses' reliance on digital updates from the federal government.

The Small Business Administration has started to notify business owners who may have had their data exposed.

“We are concerned that small businesses may not have the...tools necessary” to implement good security practices, Sens. Rubio and Cardin said.

SBA CTO Sanjay Gupta on how he deals with the cybersecurity challenges brought on by the cloud.