The next big cyberthreat isn't ransomware. It's killware. And it's just as bad as it sounds.

The next big cyberthreat isn't ransomware. It's killware. And it's just as bad as it sounds.

Josh Meyer, USA TODAY

As most Americans are still learning about the hacking-for-cash crime of ransomware, the nation’s top homeland security official is worried about an even more dire digital danger: killware, or cyberattacks that can literally end lives.

The ne…