HHS saw an uptick in scanning, and U.S. officials are investigating.
The company that discovered the flaw says "at least 80,000 companies in 158 countries are potentially at risk."
Malware affected customer payment card information used at potentially all locations of the East Coast convenience store chain.
The company removed the bucket from the open internet after being contacted by CyberScoop.
The new book explains why Ukraine has been linked to almost every major cyberattack and how cyberwarfare's ultimate consquence is the danger to people's lives.