Russian diplomats denounce British attribution of NotPetya to Russian security services. They also denounce American contentions that Russia is a safe haven for cyber criminals in large part because of a cozy relationship between those security services and organized cyber gangs. The common theme comes down to a complaint that there's no evidence: no Western intelligence service, Russia says, has offered any proof that Russia is a "bad actor in cyberspace."

More reports emerge on the increasingly capable and aggressive cybercriminal actors working for the North Korean regime. 

Colorado's Department of Transportation is struggling with a large SamSam ransomware infestation. SamSam is financially motivated, but other ransomware strains aren't. Annabelle ransomware, for one, seems motivated by the lulz, and the desire to show off. MalwareHunterTeam is tracking it. The good news (reported by Bleeping Computer) is that Annabelle can be removed with an updated StupidDecryptor (bravo, Mr. Gillespie).

Recorded Future investigated a spike in the use of certificates to enable malware infections. Their researchers found that, contrary to general opinion, the certificates so used weren't in general stolen. Instead, they're counterfeited and registered using stolen corporate identities.

A paper in the Journal of the American College of Cardiology describes increased hacker interest in implantable medical devices. The probability of attacks against devices like pacemakers may be rising.

Israeli Prime Minister Netanyahu credits his country's Unit 8200 with detecting an ISIS plot last year to destroy an airliner, and with tipping off Australian security authorities in time to stop the bombers.