Frank Bajak

Associated Press

This Wednesday, Feb. 11, 2015 file photo shows FireEye offices in Milpitas, Calif. Experts say it’s going to take months to kick elite hackers widely believed to be Russian out of U.S. government networks. The hackers have been quietly rifling through those networks for months in Washington’s worst cyberespionage failure on record. FireEye is the cybersecurity company that discovered the worst-ever intrusion into U.S. agencies and was among the victims. It has already tallied dozens of casualties. It’s racing to identify more.

Hacked Networks Will Need to Be Burned 'Down to the Ground'

Experts say there simply are not enough skilled threat-hunting teams to duly identify all the government and private-sector systems that may have been hacked.

In this Oct. 13, 2018 file photo, a sign marks the entrance to the Tesla Gigafactory in Sparks, Nev. Tesla CEO Elon Musk solved a mystery involving a 27-year-old Russian who prosecutors say flew to the United States to offer a major-company insider $1 million to assist in a ransomware extortion attack on the firm. According to the billionaire, the scheme took aim at the electric car company’s 1.9 million-square-foot factory in Sparks, Nevada, which makes batteries for Tesla vehicles and energy storage units.

Tesla Targeted in Failed Extortion Scheme

Tesla is a lucrative target.

Nations 'Monitoring Everyone'

Governments buying cheap, off-the-shelf surveillance software.