US midterm elections will be held tomorrow (and with early voting have been in progress for some weeks, so it may be more accurate to say that they will end tomorrow, around 8:00 PM local time). There's been much concern about election security, but at the eleventh hour most of that concern has shifted from fear of direct manipulation of voting or disruption of polling toward worries about voter suppression efforts or other last-minute influence operations.
A flurry of reports suggests efforts to penetrate election-related databases, but most such reports have been in the context of state officials announcing their successful defense against such penetration. And it's not clear that this isn't largely a matter of the officials attending to the regular background of attempts to steal personal data.
The Department of Homeland Security is getting nice marks on its election security work from a normally tough Senatorial audience. US Cyber Command, with unusual blood in its eye, is apparently ready to hit back hard at Russia if anything develops.
Chatter from observers expecting the worst is expressing worries about distributed denial-of-service attacks or (if they really expect the worst) local power grid hacks.
A team of academic researchers (from Tampere University of Technology and the Technical University of Havana) have reported a side-channel vulnerability, "PortSmash," in Intel CPUs that employ a simultaneous multithreading architecture.
Cyware warns that two botnets, "Fbot" and "Trinity," are competing to cryptojack Android devices. Fbot is a Satori variant; Trinity is a version of ABD.Miner.