As if doing taxes weren’t bad enough, now cybercriminals have used an update to a Ukrainian tax software to spread malware to computers in multiple companies both in Ukraine and around the world.

The infectious code looks like the ransomware Petya at first glance, but after a double-take, it looks more like a malware that is decidedly more sophisticated and is definitely NotPetya. Many are comparing it more accurately to the WannaCry attacks in May.

In this episode of Defrag This, Scott Foote, cybersecurity expert and CEO of Protinuum, dives deep on the recent NotPetya malware attacks and gives us a peek at what future cyberattacks could look like.