FBI special agent and cybercrime specialist Lisa Tanchik faces a deadly threat in this white-knuckle thriller. FBI special agent Lisa Tanchik is skilled at handling cyber threats, having recently taken down a Dark Web black market worth billions. But ruthless hacker NatalyaX always seems to be a step ahead. The government calls on Tanchik's expertise when an email attachment causes a fatal seizure at US Cyber Command. But before...